Analytical: Hydroelectric Plants

Data Lookup

Generated Oct 17, 2026·Dataset freshness not reported

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1,493

Plants

108.1 GW

Capacity

States

Queue Projects

1493 Hydroelectric plants by plant count

Plant Name	State	Fuel	Owner	Capacity	Annual GWh	CF%	Year	Status	ISO
Grand Coulee	Washington	Hydro	U S Bureau of Reclamation	6.8 GW	16292	27.3%	1941	Operating	—
Bath County	Virginia	Hydro	Dominion Energy	2.9 GW	-1071	-4.3%	1985	Operating	PJM
Chief Joseph	Washington	Hydro	USACE Northwestern Division	2.5 GW	9719	45.1%	1955	Operating	—
Robert Moses Niagara	New York	Hydro	New York Power Authority	2.4 GW	14405	67.7%	1961	Operating	NYISO
John Day	Oregon	Hydro	USACE Northwestern Division	2.2 GW	7318	38.7%	1968	Operating	—
Ludington	Michigan	Hydro	DTE Energy	2 GW	-693	-4.0%	1973	Operating	MISO
North Anna	Virginia	Nuclear	Dominion Energy	2 GW	14993	87.4%	1978	Operating	PJM
The Dalles	Oregon	Hydro	USACE Northwestern Division	1.8 GW	5727	36.0%	1957	Operating	—
Raccoon Mountain	Tennessee	Hydro	Tennessee Valley Authority	1.7 GW	-537	-3.6%	1978	Operating	—
Castaic	California	Hydro	Los Angeles Department of Water & Power	1.7 GW	217	1.5%	1972	Operating	—
Bad Creek	South Carolina	Hydro	Duke Energy	1.7 GW	-560	-3.8%	1991	Operating	—
Rocky Reach	Washington	Hydro	PUD No 1 of Chelan County - (WA)	1.3 GW	5170	45.4%	1961	Operating	—
Glen Canyon Dam	Arizona	Hydro	U S Bureau of Reclamation	1.3 GW	2806	24.4%	1964	Operating	—
Wanapum	Washington	Hydro	PUD No 2 of Grant County - (WA)	1.2 GW	4313	40.3%	2011	Operating	—
Northfield Mountain	Massachusetts	Hydro	ENGIE	1.2 GW	-276	-2.7%	1972	Operating	ISO
Bonneville	Oregon	Hydro	USACE Northwestern Division	1.2 GW	3597	35.4%	1938	Operating	—
Boundary	Washington	Hydro	City of Seattle - (WA)	1.2 GW	2870	28.2%	1967	Operating	—
Muddy Run	Pennsylvania	Hydro	Constellation Energy	1.1 GW	-458	-4.9%	1967	Operating	PJM
Helms Pumped Storage	California	Hydro	PG&E	1.1 GW	-433	-4.7%	1984	Operating	CAISO
Hoover Dam (NV)	Nevada	Hydro	U S Bureau of Reclamation	1 GW	1976	21.7%	1936	Operating	—
Hoover Dam (AZ)	Arizona	Hydro	U S Bureau of Reclamation	1 GW	859	9.4%	1936	Operating	—
Blenheim Gilboa	New York	Hydro	New York Power Authority	1 GW	-248	-2.8%	1973	Operating	NYISO
Intermountain Pumped Storage Project	Utah	Hydro	Premium Energy Holdings	1 GW	—	—	—	Planned	—
Haiwee Pumped Storage Project	California	Hydro	Premium Energy Holdings	1 GW	—	—	—	Planned	—
McNary	Oregon	Hydro	USACE Northwestern Division	991 MW	3668	42.2%	1953	Operating	—
Priest Rapids	Washington	Hydro	PUD No 2 of Grant County - (WA)	950 MW	4053	48.7%	1959	Operating	—
Robert Moses Power Dam	New York	Hydro	New York Power Authority	912 MW	6791	84.9%	1958	Operating	NYISO
Wells	Washington	Hydro	PUD No 1 of Douglas County - (WA)	867 MW	3664	48.9%	1967	Operating	—
Rocky Mountain Hydroelectric Plant	Georgia	Hydro	Southern	848 MW	-456	-6.1%	1995	Operating	—
Little Goose	Washington	Hydro	USACE Northwestern Division	810 MW	1497	21.1%	1970	Operating	—
Lower Granite	Washington	Hydro	USACE Northwestern Division	810 MW	1370	19.3%	1975	Operating	—
Lower Monumental	Washington	Hydro	USACE Northwestern Division	810 MW	1381	19.5%	1969	Operating	—
Oahe	South Dakota	Hydro	USACE-Omaha	786 MW	2189	31.7%	1962	Operating	SPP
Jocassee	South Carolina	Hydro	Duke Energy	774 MW	-198	-2.9%	1973	Operating	—
Shasta	California	Hydro	U S Bureau of Reclamation	714 MW	2359	37.8%	1944	Operating	—
Brownlee	Idaho	Hydro	IDACORP	675 MW	2209	37.3%	1958	Operating	—
Wilson Dam	Alabama	Hydro	Tennessee Valley Authority	667 MW	2441	42.0%	1925	Operating	—
Bear Swamp	Massachusetts	Hydro	Bear Swamp Power Company LLC	666 MW	-155	-2.7%	1974	Operating	ISO
Edward C Hyatt	California	Hydro	California Dept. of Water Resources	644 MW	1912	34.0%	1968	Operating	CAISO
Rock Island	Washington	Hydro	PUD No 1 of Chelan County - (WA)	629 MW	2186	39.6%	1931	Operating	—
Richard B Russell	Georgia	Hydro	USCE-Savannah District	628 MW	268	4.9%	1985	Operating	—
Ice Harbor	Washington	Hydro	USACE Northwestern Division	603 MW	1423	27.0%	1962	Operating	—
Whale Rock Pumped Storage Hydro Project	California	Hydro	Premium Energy Holdings	600 MW	—	—	—	Planned	CAISO
Fairfield Pumped Storage	South Carolina	Hydro	Dominion Energy	587 MW	491	9.6%	1978	Operating	—
Garrison	North Dakota	Hydro	USACE-Omaha	583 MW	2061	40.3%	1956	Operating	SPP
Smith Mountain	Virginia	Hydro	American Electric Power Company	548 MW	-81	-1.7%	1965	Operating	PJM
Big Bend Dam	South Dakota	Hydro	USACE-Omaha	538 MW	813	17.2%	1964	Operating	SPP
Conowingo	Maryland	Hydro	Constellation Energy	531 MW	1632	35.0%	1928	Operating	PJM
Libby	Montana	Hydro	USACE Northwestern Division	525 MW	1891	40.9%	1975	Operating	—
Carters	Georgia	Hydro	USCE-Mobile District	500 MW	40	0.9%	1975	Operating	—
Noxon Rapids	Montana	Hydro	Avista	488 MW	1324	30.9%	1959	Operating	—
Dworshak	Idaho	Hydro	USACE Northwestern Division	465 MW	1354	33.0%	1974	Operating	—
Yards Creek Energy	New Jersey	Hydro	Yards Creek Energy	453 MW	-228	-5.7%	1965	Operating	PJM
Ross	Washington	Hydro	City of Seattle - (WA)	450 MW	409	10.4%	1952	Operating	—
Seneca Generation LLC	Pennsylvania	Hydro	LS Power Development	438 MW	-374	-9.8%	1970	Operating	PJM
Hungry Horse	Montana	Hydro	U S Bureau of Reclamation	428 MW	730	19.4%	1952	Operating	—
W R Gianelli	California	Hydro	California Dept. of Water Resources	424 MW	-161	-4.4%	1967	Operating	CAISO
Hartwell Lake	Georgia	Hydro	USCE-Savannah District	420 MW	423	11.5%	1962	Operating	—
Safe Harbor	Pennsylvania	Hydro	Safe Harbor	418 MW	1020	27.8%	1931	Operating	PJM
Hells Canyon	Oregon	Hydro	IDACORP	411 MW	1926	53.4%	1967	Operating	—
Taum Sauk	Missouri	Hydro	Ameren	408 MW	-156	-4.4%	1963	Operating	MISO
Wheeler Dam	Alabama	Hydro	Tennessee Valley Authority	404 MW	1194	33.7%	1936	Operating	—
Round Butte	Oregon	Hydro	Portland General Electric	373 MW	794	24.3%	1964	Operating	—
J Strom Thurmond	South Carolina	Hydro	USCE-Savannah District	362 MW	651	20.5%	1953	Operating	—
Cowans Ford	North Carolina	Hydro	Duke Energy	350 MW	182	5.9%	1963	Operating	—
Bull Shoals	Arkansas	Hydro	USCE-Little Rock District	340 MW	647	21.6%	1952	Operating	—
Wallace Dam	Georgia	Hydro	Southern	321 MW	43	1.6%	1979	Operating	—
Fort Randall	South Dakota	Hydro	USACE-Omaha	320 MW	1579	56.1%	1954	Operating	SPP
Colgate	California	Hydro	Yuba County Water Agency - (CA)	315 MW	1325	48.4%	1969	Operating	CAISO
Mossyrock	Washington	Hydro	City of Tacoma - (WA)	300 MW	778	29.6%	1968	Operating	—
New Melones	California	Hydro	U S Bureau of Reclamation	300 MW	273	10.4%	1979	Operating	—
Cabin Creek	Colorado	Hydro	Xcel Energy	300 MW	117	4.4%	1967	Operating	—
John H Kerr	Virginia	Hydro	USCE-Wilmington District	297 MW	463	17.7%	1952	Operating	PJM
Yellowtail	Montana	Hydro	U S Bureau of Reclamation	278 MW	798	32.7%	1966	Operating	—
Devil Canyon	California	Hydro	California Dept. of Water Resources	276 MW	779	32.1%	1972	Operating	CAISO
Wolf Creek	Kentucky	Hydro	USCE-Nashville District	270 MW	724	30.5%	1951	Operating	—
White Rock/Slab Creek	California	Hydro	Sacramento Municipal Utility District	269 MW	394	16.9%	1968	Operating	—
Cabinet Gorge	Idaho	Hydro	Avista	265 MW	858	36.8%	1952	Operating	—
Salina	Oklahoma	Hydro	Grand River Dam Authority	259 MW	-34	-1.5%	1968	Operating	SPP
Davis Dam	Arizona	Hydro	U S Bureau of Reclamation	255 MW	958	42.8%	1951	Operating	—
Fontana Dam	North Carolina	Hydro	Tennessee Valley Authority	255 MW	879	39.3%	1945	Operating	—
Collierville Powerhouse	California	Hydro	Northern California Power Agny	253 MW	353	16.0%	1989	Operating	CAISO
Holtwood	Pennsylvania	Hydro	BIF III Holtwood LLC	247 MW	866	39.8%	1910	Operating	PJM
Lewiston Niagara	New York	Hydro	New York Power Authority	240 MW	-239	-11.4%	1961	Operating	NYISO
Pickwick Landing Dam	Tennessee	Hydro	Tennessee Valley Authority	240 MW	1259	59.8%	1938	Operating	—
Swift 1	Washington	Hydro	Berkshire Hathaway	240 MW	473	22.4%	1958	Operating	—
Selis Ksanka Qlispe	Montana	Hydro	Energy Keepers Inc	228 MW	970	48.4%	1938	Operating	—
Walter Bouldin Dam	Alabama	Hydro	Southern	225 MW	450	22.8%	1967	Operating	—
Kentucky Dam	Kentucky	Hydro	Tennessee Valley Authority	219 MW	1162	60.5%	1944	Operating	—
Martin Dam	Alabama	Hydro	Southern	211 MW	306	16.6%	1927	Operating	—
Osage Dam	Missouri	Hydro	Ameren	208 MW	497	27.2%	1931	Operating	MISO
Saluda Lexington	South Carolina	Hydro	Dominion Energy	207 MW	143	7.8%	1930	Operating	—
Gorge	Washington	Hydro	City of Seattle - (WA)	207 MW	712	39.2%	1924	Operating	—
Mount Elbert	Colorado	Hydro	U S Bureau of Reclamation	200 MW	-22	-1.3%	1981	Operating	—
Table Rock	Missouri	Hydro	USCE-Little Rock District	200 MW	368	20.9%	1959	Operating	—
J S Eastwood	California	Hydro	Edison International	200 MW	82	4.7%	1987	Operating	CAISO
Folsom	California	Hydro	U S Bureau of Reclamation	199 MW	503	29.1%	1955	Operating	—
S C Moore	New Hampshire	Hydro	Great River Hydro, LLC	195 MW	341	19.8%	1957	Operating	ISO
Sidney A Murray Jr Hydroelectric	Louisiana	Hydro	First National Bank-Commerce	192 MW	885	52.6%	1990	Operating	MISO
Mammoth Pool	California	Hydro	Edison International	190 MW	405	24.3%	1960	Operating	CAISO
Oxbow (OR)	Oregon	Hydro	IDACORP	190 MW	965	57.9%	1961	Operating	—
Diablo	Washington	Hydro	City of Seattle - (WA)	182 MW	362	22.6%	1936	Operating	—
Lewis Smith Dam	Alabama	Hydro	Southern	181 MW	219	13.9%	1961	Operating	—
Dion R Holm	California	Hydro	City & County of San Francisco - (CA)	180 MW	466	29.8%	1960	Operating	CAISO
Spring Creek	California	Hydro	U S Bureau of Reclamation	180 MW	388	24.6%	1964	Operating	—
Fort Peck	Montana	Hydro	USACE-Omaha	180 MW	752	47.6%	1943	Operating	—
Gaston	North Carolina	Hydro	Dominion Energy	178 MW	230	14.9%	1963	Operating	PJM
Lay Dam	Alabama	Hydro	Southern	177 MW	454	29.2%	1967	Operating	—
Palisades Dam	Idaho	Hydro	U S Bureau of Reclamation	176 MW	744	48.0%	1957	Operating	—
Watts Bar Hydro	Tennessee	Hydro	Tennessee Valley Authority	175 MW	896	58.1%	1942	Operating	—
Big Creek 3	California	Hydro	Edison International	175 MW	606	39.6%	1923	Operating	CAISO
Morrow Point	Colorado	Hydro	U S Bureau of Reclamation	173 MW	310	20.3%	1970	Operating	—
Bartletts Ferry	Alabama	Hydro	Southern	173 MW	348	22.9%	1926	Operating	—
Don Pedro	California	Hydro	Modesto Irrigation District	171 MW	270	18.0%	1971	Operating	—
Mitchell Dam	Alabama	Hydro	Southern	170 MW	356	23.8%	1949	Operating	—
Pine Flat	California	Hydro	Kings River Conservation Dist	169 MW	331	22.3%	1984	Operating	CAISO
James B Black	California	Hydro	PG&E	169 MW	606	40.9%	1965	Operating	CAISO
Walter F George	Georgia	Hydro	USCE-Mobile District	168 MW	422	28.6%	1963	Operating	—
Comerford	New Hampshire	Hydro	Great River Hydro, LLC	168 MW	400	27.1%	1930	Operating	ISO
Hiwassee Dam	North Carolina	Hydro	Tennessee Valley Authority	166 MW	266	18.4%	1940	Operating	—
RED-Rochester, LLC	New York	Natural Gas	RED-Rochester, LLC	163 MW	342	24.0%	1957	Operating	NYISO
Mayfield	Washington	Hydro	City of Tacoma - (WA)	162 MW	576	40.6%	1963	Operating	—
Jaybird	California	Hydro	Sacramento Municipal Utility District	162 MW	421	29.8%	1961	Operating	—
Harry Truman	Missouri	Hydro	USCE-Kansas City District	161 MW	235	16.6%	1979	Operating	—
Dardanelle	Arkansas	Hydro	USCE-Little Rock District	161 MW	517	36.8%	1965	Operating	—
Chickamauga	Tennessee	Hydro	Tennessee Valley Authority	160 MW	689	49.1%	1940	Operating	—
Great Lakes Hydro America - ME	Maine	Hydro	Great Lakes Hydro America LLC	158 MW	571	41.2%	1917	Operating	ISO
Camino	California	Hydro	Sacramento Municipal Utility District	158 MW	272	19.8%	1963	Operating	—
Keowee	South Carolina	Hydro	Duke Energy	158 MW	67	4.9%	1971	Operating	—
Calderwood	Tennessee	Hydro	Brookfield Smoky Mountain Hydropower LP	157 MW	549	40.0%	1930	Operating	—
Center Hill	Tennessee	Hydro	USCE-Nashville District	156 MW	292	23.8%	1950	Operating	—
Judge F Carr	California	Hydro	U S Bureau of Reclamation	154 MW	315	23.1%	1963	Operating	—
Fort Loudoun	Tennessee	Hydro	Tennessee Valley Authority	153 MW	732	54.4%	1943	Operating	—
Flaming Gorge	Utah	Hydro	U S Bureau of Reclamation	152 MW	408	30.6%	1963	Operating	—
Douglas Dam	Tennessee	Hydro	Tennessee Valley Authority	151 MW	446	33.7%	1943	Operating	—
Jefferies	South Carolina	Hydro	South Carolina Public Service Authority	145 MW	248	19.4%	1942	Operating	—
Poe	California	Hydro	PG&E	143 MW	326	25.9%	1958	Operating	CAISO
Pit 5	California	Hydro	PG&E	142 MW	620	50.0%	1944	Operating	CAISO
Trinity	California	Hydro	U S Bureau of Reclamation	140 MW	550	45.0%	1964	Operating	—
Cheoah	North Carolina	Hydro	Brookfield Smoky Mountain Hydropower LP	140 MW	485	39.5%	1949	Operating	—
Kerckhoff 2	California	Hydro	PG&E	140 MW	371	30.4%	1983	Operating	CAISO
Merwin	Washington	Hydro	Berkshire Hathaway	136 MW	467	39.2%	1931	Operating	—
Harris Dam	Alabama	Hydro	Southern	135 MW	116	9.7%	1983	Operating	—
Cherokee Dam	Tennessee	Hydro	Tennessee Valley Authority	135 MW	341	28.8%	1942	Operating	—
Haas	California	Hydro	PG&E	135 MW	195	16.2%	1958	Operating	CAISO
Yale	Washington	Hydro	Berkshire Hathaway	134 MW	488	41.6%	1953	Operating	—
R C Kirkwood	California	Hydro	City & County of San Francisco - (CA)	133 MW	404	36.1%	1967	Operating	CAISO
Gavins Point	Nebraska	Hydro	USACE-Omaha	132 MW	713	61.3%	1956	Operating	SPP
Norris Dam	Tennessee	Hydro	Tennessee Valley Authority	131 MW	387	33.5%	1936	Operating	—
Horse Mesa	Arizona	Hydro	Salt River Project	131 MW	88	7.6%	1927	Operating	—
Buford	Georgia	Hydro	USCE-Mobile District	131 MW	147	12.8%	2003	Operating	—
Pensacola	Oklahoma	Hydro	Grand River Dam Authority	130 MW	349	30.7%	1940	Operating	SPP
Barkley	Kentucky	Hydro	USCE-Nashville District	130 MW	591	51.7%	1966	Operating	—
Markham	Oklahoma	Hydro	Grand River Dam Authority	128 MW	188	16.7%	1964	Operating	SPP
Logan Martin Dam	Alabama	Hydro	Southern	128 MW	297	26.4%	1964	Operating	—
Bradley Lake	Alaska	Hydro	State of Alaska	126 MW	397	35.9%	1991	Operating	—
Rock Creek	California	Hydro	PG&E	126 MW	612	55.6%	1950	Operating	CAISO
Keokuk	Iowa	Hydro	Ameren	125 MW	888	80.2%	1913	Operating	MISO
Middle Fork	California	Hydro	Placer County Water Agency - (CA)	122 MW	364	34.2%	1966	Operating	CAISO
Parker Dam	California	Hydro	U S Bureau of Reclamation	120 MW	384	36.5%	1942	Operating	—
Lookout Point	Oregon	Hydro	USACE Northwestern Division	120 MW	175	16.7%	1955	Operating	—
Caribou 2	California	Hydro	PG&E	118 MW	387	37.3%	1958	Operating	CAISO
Belden	California	Hydro	PG&E	118 MW	184	17.7%	1969	Operating	CAISO
Keswick	California	Hydro	U S Bureau of Reclamation	117 MW	410	39.9%	1949	Operating	—
Guntersville	Alabama	Hydro	Tennessee Valley Authority	115 MW	455	44.9%	1939	Operating	—
Thermalito	California	Hydro	California Dept. of Water Resources	115 MW	314	31.3%	1968	Operating	CAISO
Carmen Smith	Oregon	Hydro	Eugene Water & Electric Board	114 MW	223	22.3%	1963	Operating	—
Beaver Dam (AR)	Arkansas	Hydro	USCE-Little Rock District	112 MW	95	9.6%	1965	Operating	—
H M Jackson	Washington	Hydro	PUD No 1 of Snohomish County - (WA)	112 MW	366	37.2%	1984	Operating	—
Robert S Kerr	Oklahoma	Hydro	USCE-Tulsa District	110 MW	370	38.4%	1971	Operating	—
Big Creek 2A	California	Hydro	Edison International	110 MW	215	22.1%	1928	Operating	CAISO
Pelton	Oregon	Hydro	Portland General Electric	110 MW	362	37.6%	1957	Operating	—
Pit 7	California	Hydro	PG&E	110 MW	448	46.8%	1965	Operating	CAISO
Ohio Falls	Kentucky	Hydro	PPL	110 MW	235	24.4%	1928	Operating	—
Narrows (NC)	North Carolina	Hydro	Eagle Creek Renewable Energy, LLC	109 MW	488	51.0%	1917	Operating	—
Walters	North Carolina	Hydro	Duke Energy	108 MW	275	29.1%	1930	Operating	—
Marshall Ford	Texas	Hydro	Lower Colorado River Authority	108 MW	24	2.5%	1941	Operating	ERCOT
Boone Dam	Tennessee	Hydro	Tennessee Valley Authority	106 MW	184	19.8%	1953	Operating	—
Meldahl Hydroelectric Project	Kentucky	Hydro	small shareholder(s)	105 MW	446	48.3%	2016	Operating	PJM
Upper Baker	Washington	Hydro	PUGET HOLDINGS	105 MW	318	34.5%	1959	Operating	—
Denison	Texas	Hydro	USCE-Tulsa District	104 MW	192	21.0%	1945	Operating	ERCOT
Nickajack	Tennessee	Hydro	Tennessee Valley Authority	104 MW	491	53.8%	1968	Operating	—
Lower Baker	Washington	Hydro	PUGET HOLDINGS	104 MW	327	35.9%	1960	Operating	—
Old Hickory	Tennessee	Hydro	USCE-Nashville District	104 MW	437	48.0%	1957	Operating	—
Moccasin	California	Hydro	City & County of San Francisco - (CA)	104 MW	280	32.9%	1969	Operating	CAISO
Pit 4	California	Hydro	PG&E	103 MW	405	44.4%	1955	Operating	CAISO
Dam 2	Arkansas	Hydro	Arkansas Electric Coop Corp	103 MW	401	44.7%	1999	Operating	MISO
Electra	California	Hydro	PG&E	103 MW	243	27.0%	1948	Operating	CAISO
Hawks Nest Hydro	West Virginia	Hydro	Hawks Nest Hydro LLC	102 MW	434	48.5%	1936	Operating	PJM
Lucky Peak Power Plant Project	Idaho	Hydro	Boise-Kuna Irrigation District	101 MW	291	32.7%	1988	Operating	—
Millers Ferry	Alabama	Hydro	USCE-Mobile District	101 MW	273	30.7%	1970	Operating	—
Detroit	Oregon	Hydro	USACE Northwestern Division	100 MW	220	25.1%	1953	Operating	—
Broken Bow Dam	Oklahoma	Hydro	USCE-Tulsa District	100 MW	109	12.4%	1970	Operating	SPP
Jordan Dam	Alabama	Hydro	Southern	100 MW	271	30.8%	1929	Operating	—
Roanoke Rapids	North Carolina	Hydro	Dominion Energy	100 MW	272	30.8%	1955	Operating	PJM
Big Creek 4	California	Hydro	Edison International	100 MW	323	36.8%	1951	Operating	CAISO
Ozark	Arkansas	Hydro	USCE-Little Rock District	100 MW	315	36.0%	1972	Operating	—
Cordell Hull	Tennessee	Hydro	USCE-Nashville District	100 MW	345	39.3%	1973	Operating	—
Thompson Falls	Montana	Hydro	NorthWestern Energy Group	98 MW	436	50.6%	1915	Operating	—
Balch 2	California	Hydro	PG&E	97 MW	443	51.4%	1958	Operating	CAISO
Greers Ferry Lake	Arkansas	Hydro	USCE-Little Rock District	96 MW	163	19.4%	1964	Operating	—
Blewett	North Carolina	Distillate Oil	Duke Energy	95 MW	121	14.5%	1912	Operating	—
Flatiron	Colorado	Hydro	U S Bureau of Reclamation	95 MW	206	24.9%	1954	Operating	—
Sappi Cloquet Mill	Minnesota	Wood Waste	Sappi	95 MW	449	54.4%	1929	Operating	MISO
Exchequer	California	Hydro	Merced Irrigation District	95 MW	268	32.3%	1967	Operating	CAISO
Apalachia	Tennessee	Hydro	Tennessee Valley Authority	94 MW	402	48.9%	1943	Operating	—
American Falls	Idaho	Hydro	IDACORP	92 MW	243	29.8%	1978	Standby	—
Summer Falls Power Plant	Washington	Hydro	Columbia Basin Hydropower	92 MW	398	48.9%	1985	Operating	—
Thurlow Dam	Alabama	Hydro	Southern	91 MW	212	26.6%	1931	Operating	—
Wateree Hydro	South Carolina	Hydro	Duke Energy	91 MW	255	32.0%	1919	Operating	—
Box Canyon	Washington	Hydro	PUD No 1 of Pend Oreille County - (WA)	90 MW	464	58.7%	1955	Operating	—
Eufaula Dam	Oklahoma	Hydro	USCE-Tulsa District	90 MW	220	27.8%	1964	Operating	—
Big Creek 1	California	Hydro	Edison International	88 MW	405	52.1%	1913	Operating	CAISO
Cannelton Hydroelectric Plant	Kentucky	Hydro	small shareholder(s)	88 MW	416	53.8%	2016	Operating	MISO
Weiss Dam	Alabama	Hydro	Southern	88 MW	184	23.9%	1961	Operating	—
Allatoona	Georgia	Hydro	USCE-Mobile District	87 MW	122	16.1%	1950	Operating	—
Blue Mesa	Colorado	Hydro	U S Bureau of Reclamation	86 MW	247	32.4%	1967	Operating	—
Cushman 2	Washington	Hydro	City of Tacoma - (WA)	85 MW	179	24.1%	1930	Operating	—
St Stephen	South Carolina	Hydro	US Army Corps of Engineers	84 MW	259	34.9%	1985	Operating	—
Tillery	North Carolina	Hydro	Duke Energy	84 MW	184	24.9%	1928	Operating	—
C J Strike	Idaho	Hydro	IDACORP	83 MW	422	58.1%	1952	Operating	—
Jones Bluff	Alabama	Hydro	USCE-Mobile District	82 MW	244	33.9%	1975	Operating	—
Stanislaus	California	Hydro	PG&E	82 MW	269	37.4%	1963	Operating	CAISO
Toledo Bend	Texas	Hydro	Entergy	81 MW	—	—	1969	Operating	MISO
Norfork	Arkansas	Hydro	USCE-Little Rock District	80 MW	188	26.5%	1944	Operating	—
Pit 3	California	Hydro	PG&E	80 MW	333	47.3%	1925	Operating	CAISO
Green Peter	Oregon	Hydro	USACE Northwestern Division	80 MW	155	22.2%	1967	Operating	—
Gauley River Power Partners	West Virginia	Hydro	LS Power Development	80 MW	144	20.5%	2001	Operating	PJM
Pit 6	California	Hydro	PG&E	79 MW	242	34.9%	1965	Operating	CAISO
Ralston	California	Hydro	Placer County Water Agency - (CA)	79 MW	328	47.1%	1966	Operating	CAISO
Snettisham	Alaska	Hydro	Alaska Electric Light & Power Co.	78 MW	333	48.5%	1973	Operating	—
Markland	Indiana	Hydro	Duke Energy	78 MW	299	43.8%	1967	Operating	MISO
Harris Hydro	Maine	Hydro	Brookfield White Pine Hydro LLC	76 MW	170	25.4%	1954	Operating	ISO
Smithland Hydroelectric Plant	Kentucky	Hydro	small shareholder(s)	76 MW	333	49.6%	2017	Operating	MISO
Moline	Illinois	Natural Gas	Berkshire Hathaway	76 MW	19	2.8%	1942	Operating	MISO
Big Creek 8	California	Hydro	Edison International	75 MW	174	26.3%	1921	Operating	CAISO
Blakely Mountain	Arkansas	Hydro	USCE -Vickburg District	75 MW	158	24.2%	1955	Operating	MISO
Webbers Falls	Oklahoma	Hydro	USCE-Tulsa District	75 MW	174	26.6%	1973	Operating	—
Bliss (ID)	Idaho	Hydro	IDACORP	75 MW	333	50.5%	1949	Operating	—
Claytor	Virginia	Hydro	American Electric Power Company	75 MW	220	33.5%	1939	Operating	PJM
W E Warne	California	Hydro	California Dept. of Water Resources	74 MW	171	26.3%	1982	Operating	CAISO
Loon Lake	California	Hydro	Sacramento Municipal Util Dist	74 MW	63	9.7%	1971	Operating	—
Caribou 1	California	Hydro	PG&E	74 MW	221	34.1%	1921	Operating	CAISO
Cresta	California	Hydro	PG&E	74 MW	338	52.3%	1949	Operating	CAISO
West Point (GA)	Georgia	Hydro	USCE-Mobile District	73 MW	181	28.1%	1975	Operating	—
H Neely Henry Dam	Alabama	Hydro	Southern	73 MW	180	28.1%	1966	Operating	—
Deer Island Treatment Plant	Massachusetts	Distillate Oil	Massachusetts Water Resources Authority	73 MW	33	5.2%	1995	Operating	ISO
Thomson	Minnesota	Hydro	ALLETE	73 MW	290	45.6%	1907	Operating	MISO
Wyman Hydro	Maine	Hydro	Brookfield White Pine Hydro LLC	72 MW	337	52.6%	1930	Operating	ISO
Tallulah Falls	Georgia	Hydro	Southern	72 MW	72	11.4%	1913	Operating	—
Donnells	California	Hydro	Oakdale&South San Joaquin Irrigation D.	72 MW	219	34.8%	1957	Operating	CAISO
Melton Hill	Tennessee	Hydro	Tennessee Valley Authority	72 MW	125	19.8%	1964	Operating	—
Swift 2	Washington	Hydro	Berkshire Hathaway	72 MW	—	—	1958	Out of service	—
Greenup Hydro	Ohio	Hydro	small shareholder(s)	70 MW	261	42.3%	1982	Operating	PJM
Degray	Arkansas	Hydro	USCE -Vickburg District	70 MW	214	33.5%	1972	Operating	MISO
Long Lake	Washington	Hydro	Avista	70 MW	456	68.9%	1915	Operating	—
Keystone Dam	Oklahoma	Hydro	USCE-Tulsa District	70 MW	2	0.3%	1968	Operating	SPP
Laurel Dam	Kentucky	Hydro	USCE-Nashville District	70 MW	53	8.6%	1977	Operating	PJM
Cowlitz Falls	Washington	Hydro	PUD No 1 of Lewis County - (WA)	70 MW	196	31.9%	1994	Operating	—
S D Warren Westbrook	Maine	Wood Waste	Sappi	70 MW	33	5.4%	1903	Operating	ISO
Pit 1	California	Hydro	PG&E	69 MW	188	31.1%	1922	Operating	CAISO
Woodland Pulp, LLC	Maine	Black Liquor	Woodland Pulp LLC	68 MW	382	63.7%	1906	Operating	—
Woodleaf	California	Hydro	South Feather Water and Power Agency	67 MW	194	32.8%	1963	Operating	CAISO
Fremont Canyon	Wyoming	Hydro	U S Bureau of Reclamation	67 MW	228	38.8%	1960	Operating	—
Big Creek 2	California	Hydro	Edison International	67 MW	355	60.6%	1913	Operating	CAISO
Bucks Creek	California	Hydro	PG&E	66 MW	43	7.5%	1928	Operating	CAISO
Amistad Dam & Power	Texas	Hydro	International Bound & Wtr Comm	66 MW	51	8.8%	1983	Operating	ERCOT
San Francisquito 1	California	Hydro	Los Angeles Department of Water & Power	66 MW	178	30.9%	1917	Operating	—
LaGrande	Washington	Hydro	City of Tacoma - (WA)	64 MW	297	52.9%	1912	Operating	—
Mormon Flat	Arizona	Hydro	Salt River Project	64 MW	45	8.0%	1926	Operating	—
Morony	Montana	Hydro	NorthWestern Energy Group	63 MW	255	46.1%	1930	Operating	—
Cabot	Massachusetts	Hydro	ENGIE	62 MW	304	56.0%	1915	Operating	ISO
Lower Salmon	Idaho	Hydro	IDACORP	60 MW	232	44.0%	1949	Operating	—
Wylie	South Carolina	Hydro	Duke Energy	60 MW	157	29.7%	1925	Operating	—
Oliver Dam	Georgia	Hydro	Southern	60 MW	128	24.4%	1959	Operating	—
Mountain Island	North Carolina	Hydro	Duke Energy	60 MW	131	24.8%	1923	Operating	—
Jim Falls	Wisconsin	Hydro	Xcel Energy	60 MW	122	23.2%	1988	Operating	MISO
Milner Hydro	Idaho	Hydro	IDACORP	60 MW	99	18.9%	1992	Operating	—
Fort Patrick Henry	Tennessee	Hydro	Tennessee Valley Authority	59 MW	104	19.9%	1953	Operating	—
Cochrane	Montana	Hydro	NorthWestern Energy Group	59 MW	228	43.0%	1958	Operating	—
Chelan	Washington	Hydro	PUD No 1 of Chelan County - (WA)	59 MW	328	63.0%	1927	Operating	—
Curtis Palmer Hydroelectric	New York	Hydro	Palmer Hydroelectric	59 MW	326	63.0%	1985	Operating	NYISO
Rainbow (MT)	Montana	Hydro	NorthWestern Energy Group	59 MW	329	63.5%	2013	Operating	—
Clarence Cannon	Missouri	Hydro	USCE-St Louis District	58 MW	94	18.6%	1984	Operating	—
Watauga	Tennessee	Hydro	Tennessee Valley Authority	58 MW	155	30.6%	1949	Operating	—
Canyon Ferry	Montana	Hydro	U S Bureau of Reclamation	58 MW	275	56.9%	1953	Operating	—
Spier Falls	New York	Hydro	Erie Boulevard Hydropower LP	56 MW	186	37.9%	1924	Operating	NYISO
Carpenter	Arkansas	Hydro	Entergy	56 MW	102	20.9%	1932	Operating	MISO
Ryan	Montana	Hydro	NorthWestern Energy Group	55 MW	435	87.0%	1915	Operating	—
Red Rock Hydro Plant	Iowa	Hydro	Missouri River Energy Services	55 MW	170	35.0%	2021	Operating	MISO
Buchanan Dam (TX)	Texas	Hydro	Lower Colorado River Authority	55 MW	17	3.5%	1938	Operating	ERCOT
Holter	Montana	Hydro	NorthWestern Energy Group	55 MW	266	55.4%	1918	Operating	—
Dale Hollow	Tennessee	Hydro	USCE-Nashville District	54 MW	106	22.3%	1948	Operating	—
Granite Shoals	Texas	Hydro	Lower Colorado River Authority	54 MW	22	4.7%	1951	Operating	ERCOT
Bankhead Dam	Alabama	Hydro	Southern	54 MW	108	22.9%	1963	Operating	—
Drum 2	California	Hydro	Pacific Gas & Electric Co.	53 MW	149	31.9%	1965	Operating	CAISO
Twin Falls (ID)	Idaho	Hydro	IDACORP	53 MW	101	21.8%	1935	Operating	—
Rumford Falls Hydro Facility	Maine	Hydro	Brookfield Power New England	53 MW	261	56.5%	1918	Operating	ISO
Tiger Creek	California	Hydro	PG&E	52 MW	225	49.0%	1931	Operating	CAISO
Stockton Hydro	Missouri	Hydro	USCE-Kansas City District	52 MW	53	11.6%	1973	Operating	—
Sam Rayburn Dam	Texas	Hydro	USACE-Fort Worth District	52 MW	199	43.5%	1965	Operating	MISO
Seminoe	Wyoming	Hydro	U S Bureau of Reclamation	52 MW	137	30.1%	1939	Operating	—
Lake Lynn Hydro Station	Pennsylvania	Hydro	Eagle Creek Renewable Energy, LLC	51 MW	84	18.8%	1926	Operating	PJM
Oak Grove	Oregon	Hydro	Portland General Electric	51 MW	150	33.6%	1924	Out of service	—
Alder	Washington	Hydro	City of Tacoma - (WA)	51 MW	183	41.6%	1945	Operating	—
Yates Dam	Alabama	Hydro	Southern	51 MW	97	21.9%	1928	Operating	—
Cushman 1	Washington	Hydro	City of Tacoma - (WA)	50 MW	120	31.6%	1926	Operating	—
Kingsley	Nebraska	Hydro	Central Nebraska Pub P&I Dist	50 MW	48	10.9%	1984	Operating	SPP
Chilhowee	Tennessee	Hydro	Brookfield Smoky Mountain Hydropower LP	50 MW	159	36.4%	1957	Operating	—
Drum 1	California	Hydro	PG&E	49 MW	31	7.3%	1913	Operating	CAISO
Lost Creek	Oregon	Hydro	USACE Northwestern Division	49 MW	289	66.9%	1977	Operating	—
Kings River PH	California	Hydro	Pacific Gas & Electric Co.	49 MW	107	24.8%	1962	Operating	CAISO
Overton Hydroelectric Project	Louisiana	Hydro	Rye Development	49 MW	—	—	—	Planned	MISO
Racine	Ohio	Hydro	American Electric Power Company	47 MW	175	41.9%	1982	Operating	PJM
Holt Dam	Alabama	Hydro	Southern	47 MW	119	29.1%	1968	Operating	—
Narrows 2	California	Hydro	Yuba County Water Agency - (CA)	47 MW	157	38.4%	1969	Operating	CAISO
San Francisquito 2	California	Hydro	Los Angeles Department of Water & Power	46 MW	45	11.1%	1920	Operating	—
Tims Ford	Tennessee	Hydro	Tennessee Valley Authority	46 MW	38	9.4%	1972	Operating	—
Columbus	Nebraska	Hydro	Loup River Public Power Dist	46 MW	120	29.9%	1936	Operating	SPP
Murray	Arkansas	Hydro	City of North Little Rock - (AR)	45 MW	114	28.5%	1988	Operating	MISO
Sinclair Dam	Georgia	Hydro	Southern	45 MW	103	26.1%	1953	Operating	—
Dearborn	South Carolina	Hydro	Duke Energy	45 MW	91	23.0%	1923	Operating	—
Estes	Colorado	Hydro	U S Bureau of Reclamation	45 MW	108	27.2%	1950	Operating	—
Santeetlah	North Carolina	Hydro	Brookfield Smoky Mountain Hydropower LP	45 MW	138	35.1%	1928	Operating	—
Cedar Creek (SC)	South Carolina	Hydro	Duke Energy	45 MW	165	41.5%	1926	Operating	—
Tugalo	Georgia	Hydro	Southern	45 MW	97	24.6%	1923	Operating	—
Fort Gibson	Oklahoma	Hydro	USCE-Tulsa District	45 MW	140	36.0%	1953	Operating	—
Eklutna Hydro Project	Alaska	Hydro	Chugach Electric Assn Inc	44 MW	120	30.9%	1955	Operating	—
Berlin Gorham	New Hampshire	Hydro	Great Lakes Hydro America LLC	44 MW	133	34.3%	1914	Operating	ISO
Chicago Park	California	Hydro	Nevada Irrigation District	44 MW	60	15.5%	1965	Operating	CAISO
Willow Island Hydroelectric Plant	West Virginia	Hydro	American Mun Power-Ohio, Inc	44 MW	182	47.2%	2016	Operating	PJM
Hudson Falls Hydroelectric Project	New York	Hydro	Boralex Hydro Operations Inc	44 MW	210	54.5%	1995	Operating	NYISO
Lemolo 2	Oregon	Hydro	Berkshire Hathaway	44 MW	63	16.4%	1956	Operating	—
Rochester 5	New York	Hydro	Avangrid	44 MW	—	—	1918	Out of service	NYISO
J Woodruff	Florida	Hydro	USCE-Mobile District	44 MW	177	46.4%	2001	Operating	—
Little Falls (WA)	Washington	Hydro	Avista	43 MW	185	49.0%	1910	Operating	—
Nantahala	North Carolina	Hydro	Duke Energy	43 MW	183	48.2%	1942	Operating	—
Toketee Falls	Oregon	Hydro	Berkshire Hathaway	43 MW	184	49.3%	1949	Operating	—
Fishing Creek	South Carolina	Hydro	Duke Energy	42 MW	140	37.5%	1916	Operating	—
Salt Springs	California	Hydro	PG&E	42 MW	108	29.1%	1931	Operating	CAISO
Tuckertown Hydro	North Carolina	Hydro	Eagle Creek Renewable Energy, LLC	42 MW	138	37.2%	1962	Operating	—
Belleville Dam	West Virginia	Hydro	American Mun Power-Ohio, Inc	42 MW	223	60.3%	1999	Operating	PJM
Albeni Falls	Idaho	Hydro	USACE Northwestern Division	42 MW	179	48.6%	1955	Operating	—
Forbestown	California	Hydro	South Feather Water and Power Agency	42 MW	129	35.1%	1963	Operating	CAISO
Edison Sault	Michigan	Hydro	Cloverland Electric Co-op	42 MW	199	54.2%	1901	Operating	MISO
Whitney	Texas	Hydro	USACE-Fort Worth District	42 MW	69	19.1%	1953	Operating	ERCOT
Alcova	Wyoming	Hydro	U S Bureau of Reclamation	41 MW	119	32.6%	1955	Operating	—
Bellows Falls	Vermont	Hydro	Great River Hydro, LLC	41 MW	264	72.6%	1928	Operating	ISO
North Fork	Oregon	Hydro	Portland General Electric	41 MW	187	52.1%	1958	Operating	—
Kern River 3	California	Hydro	Edison International	40 MW	143	40.4%	1921	Operating	CAISO
Butt Valley	California	Hydro	Pacific Gas & Electric Co.	40 MW	149	42.4%	1958	Operating	CAISO
Waddell	Arizona	Hydro	Central Arizona Water Conservation Dist	40 MW	-19	-5.5%	1993	Operating	—
Wallenpaupack	Pennsylvania	Hydro	Wallenpuapack Hydro	40 MW	88	25.1%	1926	Operating	PJM
Leesville	Virginia	Hydro	American Electric Power Company	40 MW	48	13.8%	1964	Operating	PJM
Anderson Ranch	Idaho	Hydro	U S Bureau of Reclamation	40 MW	130	37.0%	1950	Operating	—
Marble Falls	Texas	Hydro	Lower Colorado River Authority	40 MW	15	4.4%	1951	Operating	ERCOT
Wissota	Wisconsin	Hydro	Northern States Power Co - Minnesota	39 MW	136	39.3%	1917	Operating	MISO
Georgia-Pacific Corp - Nekoosa Mill	Wisconsin	Natural Gas	Paper Excellence	39 MW	184	54.0%	1912	Operating	MISO
Tenkiller Ferry	Oklahoma	Hydro	USCE-Tulsa District	39 MW	—	—	1953	Out of service	—
School Street	New York	Hydro	Erie Boulevard Hydropower LP	39 MW	159	46.6%	1915	Operating	NYISO
Snoqualmie 2	Washington	Hydro	PUGET HOLDINGS	39 MW	159	46.9%	1957	Operating	—
Goat Rock	Alabama	Hydro	Southern	39 MW	105	30.9%	1915	Operating	—
Union Valley	California	Hydro	Sacramento Municipal Util Dist	39 MW	76	22.4%	1963	Operating	—
Stewarts Bridge	New York	Hydro	Erie Boulevard Hydropower LP	39 MW	133	39.4%	1952	Operating	NYISO
South Holston	Tennessee	Hydro	Tennessee Valley Authority	39 MW	121	35.6%	1951	Operating	—
Pole Hill	Colorado	Hydro	U S Bureau of Reclamation	38 MW	151	44.8%	1954	Operating	—
Smith Falls Hydro Project	Idaho	Hydro	Smith Creek Hydro, LLC	38 MW	73	21.9%	1989	Operating	—
Glendo	Wyoming	Hydro	U S Bureau of Reclamation	38 MW	88	26.3%	1958	Operating	—
Nine Mile	Washington	Hydro	Avista	38 MW	126	38.2%	1908	Operating	—
Middle Gorge	California	Hydro	Los Angeles Department of Water & Power	38 MW	91	27.5%	1952	Operating	—
Friant Hydro Facility	California	Hydro	Friant Power Authority	38 MW	60	18.1%	1985	Operating	CAISO
Control Gorge	California	Hydro	Los Angeles Department of Water & Power	38 MW	90	27.1%	1952	Operating	—
Upper Gorge	California	Hydro	Los Angeles Department of Water & Power	38 MW	100	30.2%	1953	Operating	—
New Martinsville Hannibal Hydro	West Virginia	Hydro	New Martinsville Hannibal Hydro	37 MW	118	35.7%	1988	Operating	PJM
Faraday	Oregon	Hydro	Portland General Electric	37 MW	120	36.7%	1958	Operating	—
Shepaug	Connecticut	Hydro	FirstLight Power Resources Services LLC	37 MW	117	35.7%	1955	Operating	ISO
Kaw Hydro	Oklahoma	Hydro	Oklahoma Municipal Power Authority	37 MW	29	8.8%	1989	Operating	SPP
Sherman Island	New York	Hydro	Erie Boulevard Hydropower LP	36 MW	175	54.9%	1923	Operating	NYISO
Bennetts Bridge	New York	Hydro	Erie Boulevard Hydropower LP	36 MW	76	24.2%	1932	Operating	NYISO
Cheatham	Tennessee	Hydro	USCE-Nashville District	36 MW	173	54.7%	1958	Operating	—
Roosevelt	Arizona	Hydro	Salt River Project	36 MW	102	32.2%	1973	Operating	—
Oxford Dam	North Carolina	Hydro	Duke Energy	36 MW	92	29.0%	1928	Operating	—
Kortes	Wyoming	Hydro	U S Bureau of Reclamation	36 MW	155	48.0%	1950	Operating	—
Vernon Dam	Vermont	Hydro	Great River Hydro, LLC	36 MW	160	50.6%	1909	Operating	ISO
Wilder	Vermont	Hydro	Great River Hydro, LLC	36 MW	179	57.3%	1950	Operating	ISO
Cornell	Wisconsin	Hydro	Northern States Power Co - Minnesota	35 MW	82	26.6%	1976	Operating	MISO
Holcombe	Wisconsin	Hydro	Northern States Power Co - Minnesota	34 MW	93	31.2%	1950	Operating	MISO
Great Falls (TN)	Tennessee	Hydro	Tennessee Valley Authority	34 MW	106	35.9%	1916	Operating	—
Harriman	Vermont	Hydro	Great River Hydro, LLC	34 MW	91	31.0%	1924	Operating	ISO
Terror Lake Microgrid	Alaska	Hydro	Kodiak Electric Assn Inc	34 MW	134	45.5%	1984	Operating	—
Hadley Falls	Massachusetts	Hydro	City of Holyoke Gas and Elec Dept - (MA)	33 MW	151	51.6%	1952	Operating	ISO
Prairie Du Sac	Wisconsin	Hydro	Wisconsin Power & Light Co	33 MW	144	49.1%	1915	Operating	MISO
Cobble Mountain	Massachusetts	Hydro	City of Holyoke Gas and Elec Dept - (MA)	33 MW	8	2.7%	1930	Operating	ISO
Grace	Idaho	Hydro	Berkshire Hathaway	33 MW	88	30.3%	1923	Operating	—
High Rock Hydro	North Carolina	Hydro	Eagle Creek Renewable Energy, LLC	33 MW	141	48.6%	1927	Operating	—
Pilot Knob	California	Hydro	Imperial Irrigation District	33 MW	17	5.8%	1957	Operating	—
Mojave Siphon	California	Hydro	California Dept. of Water Resources	33 MW	46	16.0%	1996	Operating	CAISO
Glen Park Hydroelectric Project	New York	Hydro	Eagle Creek Renewable Energy, LLC	33 MW	142	49.7%	1999	Operating	NYISO
Whillock	Arkansas	Hydro	Arkansas Electric Coop Corp	32 MW	139	49.1%	1993	Operating	MISO
Ellis Hydro	Arkansas	Hydro	Arkansas Electric Coop Corp	32 MW	129	45.4%	1988	Operating	SPP
Prospect 2	Oregon	Hydro	Berkshire Hathaway	32 MW	193	68.6%	1928	Operating	—
Lemolo 1	Oregon	Hydro	Berkshire Hathaway	32 MW	105	37.5%	1955	Operating	—
Falcon Dam & Power	Texas	Hydro	International Bound & Wtr Comm	32 MW	19	7.0%	1954	Operating	ERCOT
Hardy	Michigan	Hydro	Consumers Energy Co - (MI)	32 MW	72	25.9%	1931	Operating	MISO
Falls Hydro	North Carolina	Hydro	Eagle Creek Renewable Energy, LLC	31 MW	127	45.8%	1919	Operating	—
Balch 1	California	Hydro	PG&E	31 MW	139	51.0%	1927	Operating	CAISO
Rocky River (CT)	Connecticut	Hydro	FirstLight Power Resources Services LLC	31 MW	-3	-1.2%	1928	Operating	ISO
Stevenson	Connecticut	Hydro	FirstLight Power Resources Services LLC	31 MW	96	35.8%	1919	Operating	ISO
Tygart Hydropower	West Virginia	Hydro	Agilitas Energy, Inc.	30 MW	—	—	—	Planned	PJM
Cedar Falls (WA)	Washington	Hydro	City of Seattle - (WA)	30 MW	7	2.5%	1921	Operating	—
Hills Creek	Oregon	Hydro	USACE Northwestern Division	30 MW	120	45.5%	1962	Operating	—
Navajo Dam	New Mexico	Hydro	City of Farmington - (NM)	30 MW	72	27.3%	1989	Operating	—
Piney	Pennsylvania	Hydro	BP Piney & Deep Creek LLC	30 MW	61	23.3%	1924	Operating	PJM
Cutler Hydro	Utah	Hydro	Berkshire Hathaway	30 MW	87	33.0%	1927	Operating	—
Colton	New York	Hydro	Erie Boulevard Hydropower LP	30 MW	195	74.0%	1918	Operating	NYISO
Oneida	Idaho	Hydro	Berkshire Hathaway	30 MW	42	15.9%	1915	Operating	—
Tulloch	California	Hydro	Oakdale&South San Joaquin Irrigation D.	30 MW	104	39.4%	1958	Operating	CAISO
Muck Valley Hydroelectric	California	Hydro	Malacha Hydro Limited Partnership	30 MW	82	31.2%	1988	Operating	CAISO
Diamond Valley Lake	California	Hydro	Metropolitan Water District of S CA	30 MW	5	2.1%	2001	Operating	CAISO
North Highlands	Georgia	Hydro	Southern	30 MW	94	36.2%	1963	Operating	—
Anson Abenaki Hydros	Maine	Hydro	Eagle Creek Renewable Energy, LLC	29 MW	116	45.6%	1950	Operating	ISO
Ocoee 3	Tennessee	Hydro	Tennessee Valley Authority	29 MW	152	60.0%	1943	Operating	—
R.C. Byrd L&D Hydroelectric Project	West Virginia	Hydro	Ohio Power and Light LLC	29 MW	—	—	—	Planned	PJM
Charles E Monty	Maine	Hydro	Brookfield White Pine Hydro LLC	28 MW	141	56.3%	1990	Operating	ISO
Rapids Energy Center	Minnesota	Natural Gas	ALLETE	28 MW	40	16.1%	1943	Operating	MISO
Dix Dam	Kentucky	Hydro	PPL	28 MW	54	22.0%	1925	Operating	—
J P Priest	Tennessee	Hydro	USCE-Nashville District	28 MW	54	21.9%	1970	Operating	—
Crystal	Colorado	Hydro	U S Bureau of Reclamation	28 MW	144	57.8%	1978	Operating	—
Elephant Butte	New Mexico	Hydro	U S Bureau of Reclamation	28 MW	57	23.3%	1940	Operating	—
Bridgewater	North Carolina	Hydro	Duke Energy	28 MW	40	16.4%	1919	Operating	—
Minidoka	Idaho	Hydro	U S Bureau of Reclamation	28 MW	112	45.8%	1927	Operating	—
Packwood	Washington	Hydro	Energy Northwest - Packwood	28 MW	63	26.2%	1964	Operating	—
Dutch Flat 2	California	Hydro	Nevada Irrigation District	27 MW	15	6.1%	1965	Operating	CAISO
Swan Falls	Idaho	Hydro	IDACORP	27 MW	122	51.0%	1994	Operating	—
Main Canal Headworks	Washington	Hydro	Columbia Basin Hydropower	27 MW	103	43.8%	1987	Operating	—
RC Thomas Hydroelectric Project	Texas	Hydro	East Texas Electric Coop, Inc	27 MW	123	52.5%	2020	Operating	MISO
Black Eagle	Montana	Hydro	NorthWestern Energy (MT Hydro)	27 MW	127	54.4%	1927	Operating	—
Tesla	Colorado	Hydro	City of Colorado Springs - (CO)	27 MW	62	26.7%	1997	Operating	—
Kern River 1	California	Hydro	Edison International	26 MW	192	82.9%	1907	Operating	CAISO
North Platte	Nebraska	Hydro	Nebraska Public Power District	26 MW	65	28.4%	1935	Operating	SPP
Cougar	Oregon	Hydro	USACE Northwestern Division	26 MW	67	29.7%	1964	Operating	—
Clearwater 2	Oregon	Hydro	Berkshire Hathaway	26 MW	35	15.2%	1953	Operating	—
Stark	New York	Hydro	Erie Boulevard Hydropower LP	26 MW	103	45.1%	1957	Operating	NYISO
Green Mountain	Colorado	Hydro	U S Bureau of Reclamation	26 MW	58	25.4%	1943	Operating	—
Lookout Shoals	North Carolina	Hydro	Duke Energy	26 MW	105	46.5%	1915	Operating	—
Colonel Charles D. Maynard Project	Arkansas	Hydro	Maynard Hydroelectric LLC	26 MW	—	—	—	Planned	MISO
Narrows (AR)	Arkansas	Hydro	USCE -Vickburg District	26 MW	—	—	1950	Operating	SPP
Robbs Peak	California	Hydro	Sacramento Municipal Util Dist	26 MW	36	16.0%	1965	Operating	—
Rhodhiss	North Carolina	Hydro	Duke Energy	26 MW	70	31.1%	1925	Operating	—
Sheldon Springs Hydroelectric	Vermont	Hydro	Central Rivers Power US, LLC	25 MW	68	30.6%	1988	Operating	ISO
ONeill	California	Hydro	U S Bureau of Reclamation	25 MW	-68	-30.9%	1967	Operating	CAISO
Rainbow Falls Hydro	New York	Hydro	Erie Boulevard Hydropower LP	25 MW	109	49.5%	1956	Operating	NYISO
Neversink	New York	Hydro	New York Power Authority	25 MW	29	13.3%	1953	Operating	NYISO
Winfield	West Virginia	Hydro	American Electric Power Company	25 MW	84	39.2%	1938	Operating	PJM
Five Falls	New York	Hydro	Erie Boulevard Hydropower LP	24 MW	107	50.8%	1955	Operating	NYISO
Twin Falls Hydro	Washington	Hydro	Central Rivers Power US, LLC	24 MW	63	29.9%	1989	Operating	—
Etiwanda	California	Hydro	Metropolitan Water District of S CA	24 MW	4	2.0%	1994	Operating	CAISO
Hauser	Montana	Hydro	NorthWestern Energy (MT Hydro)	24 MW	134	57.1%	1911	Operating	—
PHP 1	Oregon	Hydro	City of Portland (OR)	24 MW	46	22.4%	1982	Operating	—
Saint Marys Falls	Michigan	Hydro	USACE-Detroit District	24 MW	155	74.5%	1932	Operating	MISO
Pardee	California	Hydro	East Bay Municipal Util Dist - (CA)	24 MW	118	55.0%	1930	Operating	CAISO
Blue Ridge	Georgia	Hydro	Tennessee Valley Authority	24 MW	26	12.4%	1931	Operating	—
Gem State	Idaho	Hydro	City of Idaho Falls - (ID)	23 MW	109	52.8%	1988	Operating	—
Mosinee Mill	Wisconsin	Black Liquor	Bain Capital	23 MW	117	57.3%	1916	Operating	MISO
St Croix Falls	Wisconsin	Hydro	Northern States Power Co - Minnesota	23 MW	105	51.5%	1910	Operating	MISO
Ocoee 2	Tennessee	Hydro	Tennessee Valley Authority	23 MW	87	43.0%	1913	Operating	—
Boott Hydropower	Massachusetts	Hydro	Boott Hydro, LLC - Hybrid	23 MW	28	13.6%	1985	Operating	ISO
Electron	Washington	Hydro	Electron Hydro LLC	23 MW	—	—	1904	Operating	—
Tyee Lake Hydroelectric Facility	Alaska	Hydro	Southeast Alaska Power Agency	23 MW	126	63.4%	1983	Operating	—
Kerckhoff	California	Hydro	Pacific Gas & Electric Co.	23 MW	—	—	1920	Out of service	CAISO
Swan Lake	Alaska	Hydro	Southeast Alaska Power Agency	23 MW	75	38.0%	1984	Operating	—
Yonah	Georgia	Hydro	Southern	23 MW	42	21.3%	1925	Operating	—
Johnson 2	Nebraska	Hydro	Central Nebraska Pub P&I Dist	23 MW	69	35.2%	1941	Operating	SPP
Grizzly	California	Hydro	City of Santa Clara - (CA)	22 MW	30	15.4%	1993	Operating	CAISO
Dutch Flat	California	Hydro	Pacific Gas & Electric Co.	22 MW	27	14.1%	1943	Operating	CAISO
E J West	New York	Hydro	Erie Boulevard Hydropower LP	22 MW	75	39.1%	1930	Operating	NYISO
Trenton Falls	New York	Hydro	Erie Boulevard Hydropower LP	22 MW	141	68.7%	1919	Operating	NYISO
William F Matson Generating Station	Pennsylvania	Hydro	Allegheny Electric Coop Inc	22 MW	85	44.7%	1988	Operating	PJM
Jeffrey	Nebraska	Hydro	Central Nebraska Pub P&I Dist	22 MW	86	45.5%	1941	Operating	SPP
Chippewa Falls	Wisconsin	Hydro	Northern States Power Co - Minnesota	22 MW	63	33.2%	1928	Operating	MISO
Johnson 1	Nebraska	Hydro	Central Nebraska Pub P&I Dist	22 MW	56	29.5%	1941	Operating	SPP
Thorpe	North Carolina	Hydro	Duke Energy	22 MW	57	29.8%	1941	Operating	—
Byllesby 2	Virginia	Hydro	American Electric Power Company	22 MW	19	10.0%	1912	Operating	PJM
Rhinelander Mill	Wisconsin	Natural Gas	Ahlstrom-Munksjo	21 MW	6	3.1%	1917	Out of service	MISO
South Colton	New York	Hydro	Erie Boulevard Hydropower LP	21 MW	90	48.5%	1954	Operating	NYISO
Tunnel	Connecticut	Jet Fuel	FirstLight Power Resources Services LLC	21 MW	8	4.3%	1919	Operating	ISO
Emsworth L&D Hydroelectric Project	Pennsylvania	Hydro	Rye Development	20 MW	—	—	—	Planned	PJM
Montgomery L&D Hydroelectric Project	Pennsylvania	Hydro	Rye Development	20 MW	—	—	—	Planned	PJM
C W Tippy	Michigan	Hydro	Consumers Energy Co - (MI)	20 MW	54	30.7%	1918	Operating	MISO
Terminus Hydroelectric Project	California	Hydro	Eagle Creek Renewable Energy, LLC	20 MW	10	5.7%	1990	Operating	CAISO
Beardslee	New York	Hydro	Erie Boulevard Hydropower LP	20 MW	51	29.0%	1924	Operating	NYISO
El Dorado	California	Hydro	El Dorado Irrigation District	20 MW	81	46.2%	1924	Operating	CAISO
Foster	Oregon	Hydro	USACE Northwestern Division	20 MW	57	32.4%	1968	Operating	—
Deep Creek	Maryland	Hydro	BP Piney & Deep Creek LLC	20 MW	18	10.5%	1925	Operating	PJM
Petenwell	Wisconsin	Hydro	Wisconsin River Power Company	20 MW	108	61.8%	1949	Operating	MISO
Pike Island Hydroelectric Project	Ohio	Hydro	Pike Island Hydropower Corporation	20 MW	—	—	—	Planned	PJM
New Cumberland Hydroelectric Project	West Virginia	Hydro	Current Hydro Project 19, LLC	20 MW	—	—	—	Planned	PJM
Sweetheart Lake Hydroelectric Facility	Alaska	Hydro	Juneau Hydropower, Inc	20 MW	—	—	—	Planned	—
Drop 4	California	Hydro	Imperial Irrigation District	20 MW	78	45.4%	1941	Operating	—
Alamo	California	Hydro	California Dept. of Water Resources	20 MW	56	32.5%	1986	Operating	CAISO
Brunswick Hydro	Maine	Hydro	Brookfield White Pine Hydro LLC	20 MW	88	51.1%	1982	Operating	ISO
Warm Springs Power Enterprises	Oregon	Hydro	Warm Springs Power Enterprises	20 MW	61	35.3%	1982	Operating	—
York Haven	Pennsylvania	Hydro	Eagle Creek Renewable Energy, LLC	20 MW	87	50.3%	1905	Operating	PJM
Headgate Rock	Arizona	Hydro	Colorado River Indian Irr Proj	20 MW	36	20.9%	1993	Out of service	—
Cooper Lake	Alaska	Hydro	Chugach Electric Assn Inc	19 MW	38	22.4%	1961	Operating	—
Worumbo Hydro Station	Maine	Hydro	Eagle Creek Renewable Energy, LLC	19 MW	89	51.9%	1989	Operating	ISO
Gulf Island	Maine	Hydro	Brookfield White Pine Hydro LLC	19 MW	136	77.6%	1926	Operating	ISO
Flambeau Hydroelectric Station	Wisconsin	Hydro	Dairyland Power Coop	19 MW	62	32.2%	1951	Operating	MISO
Ocoee 1	Tennessee	Hydro	Tennessee Valley Authority	19 MW	69	41.5%	1912	Operating	—
Prospect	New York	Hydro	Erie Boulevard Hydropower LP	19 MW	69	41.5%	1959	Operating	NYISO
River Mill	Oregon	Hydro	Portland General Electric	19 MW	99	60.1%	1911	Operating	—
Emsworth BC Hydroelectric Project	Pennsylvania	Hydro	Rye Development	19 MW	—	—	—	Planned	PJM
Packaging of America Tomahawk Mill	Wisconsin	Wood Waste	PCA-Tomahawk Mill	19 MW	111	67.8%	1920	Operating	MISO
Green Lake	Alaska	Hydro	City & Borough of Sitka - (AK)	19 MW	43	26.5%	1982	Operating	—
De Sabla	California	Hydro	Pacific Gas & Electric Co.	18 MW	23	14.1%	1963	Operating	CAISO
Blanchard	Minnesota	Hydro	ALLETE	18 MW	82	51.8%	1925	Operating	MISO
Slide Creek	Oregon	Hydro	Berkshire Hathaway	18 MW	63	39.8%	1951	Operating	—
Big Cliff	Oregon	Hydro	USACE Northwestern Division	18 MW	91	57.5%	1954	Out of service	—
Upper Salmon A	Idaho	Hydro	IDACORP	18 MW	108	68.2%	1937	Operating	—
Twin Cities Hydro LLC	Minnesota	Hydro	Twin Cities Hydro LLC	18 MW	90	56.6%	1924	Operating	MISO
Austin	Texas	Hydro	Lower Colorado River Authority	18 MW	4	2.6%	1940	Operating	ERCOT
Lockhart	South Carolina	Hydro	Lockhart Power Co	18 MW	70	44.2%	1921	Operating	—
Buffalo Bill	Wyoming	Hydro	U S Bureau of Reclamation	18 MW	66	41.9%	1992	Operating	—
Grahamsville	New York	Hydro	New York Power Authority	18 MW	82	52.3%	1956	Operating	NYISO
Allegheny Hydro No 9	Pennsylvania	Hydro	Allegheny Hydro LP	18 MW	88	55.8%	1990	Operating	PJM
Stevens Creek	Georgia	Hydro	Dominion Energy	18 MW	74	48.3%	1914	Operating	—
Upriver Dam Hydro Plant	Washington	Hydro	City of Spokane - (WA)	18 MW	48	31.5%	1936	Operating	—
Deerfield 5	Massachusetts	Hydro	Great River Hydro, LLC	18 MW	42	27.4%	1974	Operating	ISO
Grandfather Falls	Wisconsin	Hydro	WEC Energy Group	17 MW	80	53.2%	1938	Operating	MISO
Green Springs	Oregon	Hydro	U S Bureau of Reclamation	17 MW	38	25.0%	1960	Operating	—
Lake Blackshear Project	Georgia	Hydro	Crisp County Power Comm	17 MW	36	24.0%	1930	Operating	—
Hodenpyl	Michigan	Hydro	Consumers Energy Co - (MI)	17 MW	40	26.5%	1925	Operating	MISO
Morgan Falls	Georgia	Hydro	Southern	17 MW	32	21.4%	1903	Operating	—
South Fork Tolt	Washington	Hydro	City of Seattle - (WA)	17 MW	45	30.2%	1995	Operating	—
Skelton	Maine	Hydro	Brookfield White Pine Hydro LLC	17 MW	58	39.0%	1948	Operating	ISO
Upper Salmon B	Idaho	Hydro	IDACORP	17 MW	102	69.4%	1947	Operating	—
Madison Dam	Montana	Hydro	NorthWestern Energy (MT Hydro)	16 MW	76	52.9%	2021	Operating	—
Upper Mechanicville	New York	Hydro	New York State Elec & Gas Corp	16 MW	79	54.7%	1983	Out of service	NYISO
Wise	California	Hydro	Pacific Gas & Electric Co.	16 MW	28	19.8%	1917	Operating	CAISO
Sand Bar Power Plant	California	Hydro	Tri-Dam Power Authority	16 MW	85	59.9%	1986	Operating	CAISO
Big Quinnesec 92	Michigan	Hydro	WEC Energy Group	16 MW	89	63.4%	1949	Operating	MISO
Essex Junction 19	Vermont	Distillate Oil	small shareholder(s)	16 MW	31	22.2%	1917	Operating	ISO
Amoskeag	New Hampshire	Hydro	Central Rivers Power NH, LLC	16 MW	77	54.8%	1922	Operating	ISO
Ozark Beach	Missouri	Hydro	Algonquin Power & Utilities	16 MW	53	37.9%	1931	Operating	SPP
Lockport Powerhouse	Illinois	Hydro	Metro Wtr Recl Dist Grtr Chi	16 MW	12	8.7%	1999	Out of service	PJM
Browns Falls	New York	Hydro	Erie Boulevard Hydropower LP	16 MW	45	32.0%	1923	Operating	NYISO
Terrora	Georgia	Hydro	Southern	16 MW	36	25.5%	1925	Operating	—
Schaghticoke	New York	Hydro	Erie Boulevard Hydropower LP	16 MW	59	41.9%	1908	Operating	NYISO
Soft Maple	New York	Hydro	Erie Boulevard Hydropower LP	16 MW	38	27.3%	1925	Operating	NYISO
Blue Lake Hydro	Alaska	Hydro	City & Borough of Sitka - (AK)	16 MW	75	54.1%	2014	Operating	—
Nottely	Georgia	Hydro	Tennessee Valley Authority	16 MW	26	18.7%	1956	Operating	—
Abiquiu Dam	New Mexico	Hydro	Los Alamos County - (NM)	16 MW	24	17.7%	1989	Operating	—
Sullivan	Oregon	Hydro	Portland General Electric	15 MW	104	77.0%	1924	Operating	—
Hydro Kennebec Project	Maine	Hydro	Hydro Kennebec LLC	15 MW	27	20.0%	1989	Operating	ISO
French Meadows	California	Hydro	Placer County Water Agency - (CA)	15 MW	51	37.6%	1966	Operating	CAISO
Bonny Eagle	Maine	BESS	Brookfield White Pine Hydro LLC	15 MW	33	24.7%	1910	Operating	ISO
High Falls - Saranac NY	New York	Hydro	New York State Elec & Gas Corp	15 MW	65	49.1%	1948	Out of service	NYISO
Conemaugh Hydro Plant	Pennsylvania	Hydro	Pennsylvania Renewable Resources	15 MW	46	35.3%	1989	Operating	PJM
Boysen	Wyoming	Hydro	U S Bureau of Reclamation	15 MW	70	53.4%	1952	Operating	—
Dexter	Oregon	Hydro	USACE Northwestern Division	15 MW	15	11.2%	1955	Operating	—
Blake	New York	Hydro	Erie Boulevard Hydropower LP	15 MW	65	49.3%	1957	Operating	NYISO
Arrowrock Hydroelectric Project	Idaho	Hydro	Boise-Kuna Irrigation District	15 MW	73	52.2%	2010	Operating	—
Clearwater 1	Oregon	Hydro	Berkshire Hathaway	15 MW	32	24.4%	1953	Operating	—
Castle Rock	Wisconsin	Hydro	Wisconsin River Power Company	15 MW	92	69.9%	1950	Operating	MISO
Smith (NH)	New Hampshire	Hydro	Central Rivers Power NH, LLC	15 MW	112	79.6%	1948	Operating	ISO
Inks	Texas	Hydro	Lower Colorado River Authority	15 MW	9	6.6%	1938	Operating	ERCOT
Parr Hydro	South Carolina	Hydro	Dominion Energy	15 MW	51	38.8%	1914	Operating	—
Sardis Lake Hydroelectric Project	Mississippi	Hydro	Rye Development	15 MW	—	—	—	Planned	—
Monroe Street	Washington	Hydro	Avista	15 MW	90	69.2%	1992	Operating	—
Lawrence Hydroelectric Associates	Massachusetts	Hydro	Central Rivers Power US, LLC	15 MW	65	50.2%	1981	Operating	ISO
Petersburg	Alaska	Distillate Oil	Petersburg Borough - (AK)	15 MW	13	10.1%	1965	Operating	—
Shoshone Falls	Idaho	Hydro	IDACORP	15 MW	71	54.8%	1921	Operating	—
Soda	Idaho	Hydro	Berkshire Hathaway	15 MW	19	14.9%	1924	Operating	—
Post Falls	Idaho	Hydro	Avista	15 MW	69	54.3%	1906	Operating	—
Forks of Butte Hydro Project	California	Hydro	Hypower Energy, LLC	15 MW	66	51.9%	1992	Operating	CAISO
Shoshone (CO)	Colorado	Hydro	Public Service Co of Colorado	14 MW	28	22.0%	1909	Operating	—
London	West Virginia	Hydro	American Electric Power Company	14 MW	73	57.7%	1935	Operating	PJM
Marmet	West Virginia	Hydro	American Electric Power Company	14 MW	67	53.3%	1935	Operating	PJM
Lloyd Shoals	Georgia	Hydro	Southern	14 MW	67	52.7%	1911	Operating	—
Sturgeon	New York	Hydro	Central Hudson Gas & Elec Corp	14 MW	46	36.1%	1924	Operating	NYISO
Lake Dorothy Hydroelectric Project	Alaska	Hydro	Alaska Electric Light & Power Co.	14 MW	84	66.5%	2009	Operating	—
International Falls Power	Minnesota	Hydro	Packaging Corporation of America	14 MW	49	39.2%	1924	Operating	MISO
Philpott Lake	Virginia	Hydro	USCE-Wilmington District	14 MW	14	11.7%	1953	Out of service	PJM
Rio Bravo Hydro Project	California	Hydro	Olcese Water District	14 MW	29	23.5%	1989	Standby	CAISO
South Glens Falls Hydroelectric	New York	Hydro	Boralex Hydro Operations Inc	14 MW	80	66.1%	1994	Operating	NYISO
Tieton Dam Hydro Electric Project	Washington	Hydro	City of Burbank Water and Power - (CA)	14 MW	18	14.7%	2006	Operating	—
Hennepin Island	Minnesota	Hydro	Northern States Power Co - Minnesota	14 MW	47	39.2%	1954	Operating	MISO
Halsey	California	Hydro	Pacific Gas & Electric Co.	14 MW	8	6.3%	1916	Operating	CAISO
Allegheny Hydro No 8	Pennsylvania	Hydro	Allegheny Hydro LP	14 MW	71	58.4%	1990	Operating	PJM
West Point PH	California	Hydro	Pacific Gas & Electric Co.	14 MW	42	35.4%	1948	Operating	CAISO
Lower Malad	Idaho	Hydro	IDACORP	14 MW	102	84.6%	1948	Operating	—
Pejepscot Hydroelectric Project	Maine	Hydro	Topsham Hydro Partners	14 MW	49	41.0%	1987	Operating	ISO
Nimbus	California	Hydro	U S Bureau of Reclamation	13 MW	36	30.9%	1955	Operating	—
Chatuge	North Carolina	Hydro	Tennessee Valley Authority	13 MW	26	22.8%	1954	Operating	—
Rush Creek	California	Hydro	Edison International	13 MW	43	37.4%	1916	Operating	CAISO
West Enfield Hydro	Maine	Hydro	Brookfield Black Bear Hydro, LLC	13 MW	77	66.5%	1988	Operating	ISO
Stewart Mountain	Arizona	Hydro	Salt River Project	13 MW	46	40.0%	1930	Operating	—
Little Falls Hydro	New York	Hydro	Eagle Creek Renewable Energy, LLC	13 MW	51	44.7%	1987	Operating	NYISO
Williams Hydro	Maine	Hydro	Brookfield White Pine Hydro LLC	13 MW	80	70.2%	1939	Operating	ISO
Jordanelle Dam Hydroelectric Project	Utah	Hydro	Central Utah Water Conservancy District	13 MW	51	44.6%	2008	Operating	—
Turnbull Hydro	Montana	Hydro	Turnbull Hydro LLC	13 MW	19	16.7%	2011	Operating	—
Roza	Washington	Hydro	U S Bureau of Reclamation	13 MW	48	42.1%	1958	Operating	—
A G Wishon	California	Hydro	Pacific Gas & Electric Co.	13 MW	22	19.2%	1910	Out of service	CAISO
Wynoochee	Washington	Hydro	City of Tacoma - (WA)	13 MW	31	27.5%	1994	Operating	—
Snoqualmie	Washington	Hydro	PUGET HOLDINGS	13 MW	66	58.5%	1898	Operating	—
Newcastle	California	Hydro	Pacific Gas & Electric Co.	13 MW	7	6.7%	1986	Operating	CAISO
Moose River	New York	Hydro	EONY Generation Limited	13 MW	45	40.3%	1987	Operating	NYISO
Reusens	Virginia	Hydro	Eagle Creek Renewable Energy, LLC	13 MW	19	16.9%	1903	Operating	PJM
Kent Falls	New York	Hydro	New York State Elec & Gas Corp	12 MW	—	—	1928	Out of service	NYISO
Cascade Dam (ID)	Idaho	Hydro	IDACORP	12 MW	37	34.3%	1983	Operating	—
Garvins Falls	New Hampshire	Hydro	Central Rivers Power NH, LLC	12 MW	31	28.4%	1925	Operating	ISO
Great Falls Hydro Project	New Jersey	Hydro	Eagle Creek Renewable Energy, LLC	12 MW	6	5.9%	1985	Operating	PJM
Dells	Wisconsin	Hydro	Northern States Power Co - Minnesota	12 MW	42	39.2%	1923	Operating	MISO
Yough Hydro Power	Pennsylvania	Hydro	D/R Hydro Co	12 MW	37	34.6%	1989	Operating	PJM
Coleman PH	California	Hydro	Pacific Gas & Electric Co.	12 MW	27	25.1%	1979	Operating	CAISO
Rollins	California	Hydro	Nevada Irrigation District	12 MW	39	36.5%	1980	Operating	CAISO
Sly Creek	California	Hydro	South Feather Water and Power Agency	12 MW	31	29.2%	1983	Operating	CAISO
Yelm	Washington	Hydro	City of Centralia - (WA)	12 MW	34	32.0%	1930	Operating	—
Chandler	Washington	Hydro	U S Bureau of Reclamation	12 MW	31	30.0%	1956	Operating	—
Weston Hydro	Maine	Hydro	Brookfield White Pine Hydro LLC	12 MW	57	54.3%	1920	Operating	ISO
Mystic	Montana	Hydro	NorthWestern Energy (MT Hydro)	12 MW	54	50.9%	1925	Operating	—
Deferiet	New York	Hydro	Erie Boulevard Hydropower LP	12 MW	63	59.7%	1925	Operating	NYISO
Koma Kulshan	Washington	Hydro	Eagle Creek Renewable Energy, LLC	12 MW	25	23.5%	1990	Operating	—
Solomon Gulch	Alaska	Hydro	Copper Valley Elec Assn, Inc	12 MW	43	40.9%	1982	Operating	—
Great Falls (SC)	South Carolina	Hydro	Duke Energy	12 MW	—	—	1907	Operating	—
99 Islands	South Carolina	Hydro	Duke Energy	12 MW	37	34.3%	1910	Operating	—
Fond Du Lac	Minnesota	Hydro	ALLETE	12 MW	54	51.6%	1924	Operating	MISO
Peavy Falls	Michigan	Hydro	WEC Energy Group	12 MW	37	35.1%	1943	Operating	MISO
Victoria Dam	Michigan	Hydro	Upper Peninsula Power Company	12 MW	26	24.9%	1931	Operating	MISO
Stone Creek	Oregon	Hydro	Eugene Water & Electric Board	12 MW	52	49.8%	1994	Operating	—
Maxwell L&D Hydroelectric Project	Pennsylvania	Hydro	Rye Development	12 MW	—	—	—	Planned	PJM
Monongahela L&D4 Hydroelectric Project	Pennsylvania	Hydro	Rye Development	12 MW	—	—	—	Planned	PJM
Grays Landing L&D Hydroelectric Project	Pennsylvania	Hydro	Rye Development	12 MW	—	—	—	Planned	PJM
High Dam	New York	Hydro	Oswego, City of - (NY)	12 MW	26	24.5%	1928	Operating	NYISO
Oakdale	Indiana	Hydro	Northern Indiana Pub Serv Co	12 MW	17	16.9%	1925	Operating	MISO
Brookfield Power Glen Falls Hydro	New York	Hydro	Erie Boulevard Hydropower LP	12 MW	49	46.8%	1944	Operating	NYISO
PHP 2	Oregon	Hydro	City of Portland (OR)	12 MW	36	34.3%	1982	Operating	—
Pinnacles	Virginia	Hydro	Northbrook Virginia Hydro, LLC	12 MW	35	33.9%	1938	Operating	PJM
Isabella Hydro Project	California	Hydro	Isabella Partners	12 MW	43	41.4%	1990	Operating	CAISO
Vischer Ferry	New York	Hydro	New York Power Authority	12 MW	56	54.6%	1924	Operating	NYISO
Highgate Falls	Vermont	Hydro	Village of Swanton - (VT)	12 MW	47	45.8%	1923	Operating	ISO
Crescent	New York	Hydro	New York Power Authority	12 MW	56	54.8%	1924	Operating	NYISO
Monticello Dam	California	Hydro	Solano Irrigation District	12 MW	36	35.9%	1983	Operating	CAISO
Kern Canyon	California	Hydro	Kern and Tule Hydro LLC	12 MW	—	—	1921	Out of service	CAISO
New York State Dam Hydro	New York	Hydro	Boralex Hydro Operations Inc	11 MW	42	41.9%	1990	Operating	NYISO
Towaoc	Colorado	Hydro	U S Bureau of Reclamation	11 MW	10	9.9%	1993	Operating	—
Poole	California	Hydro	Edison International	11 MW	23	23.1%	1924	Operating	CAISO
Fife Brook	Massachusetts	Hydro	Bear Swamp Power Company LLC	11 MW	22	22.4%	1974	Operating	ISO
Soda Springs	Oregon	Hydro	Berkshire Hathaway	11 MW	49	50.8%	1952	Operating	—
Fish Creek	Oregon	Hydro	Berkshire Hathaway	11 MW	32	32.9%	1952	Operating	—
Camanche	California	Hydro	East Bay Municipal Util Dist - (CA)	11 MW	32	33.4%	1983	Operating	CAISO
Tennessee Creek	North Carolina	Hydro	Duke Energy	11 MW	37	38.8%	1955	Operating	—
Portal	California	Hydro	Edison International	11 MW	19	19.7%	1956	Operating	CAISO
Rio	New York	Hydro	Eagle Creek Renewable Energy, LLC	11 MW	21	22.5%	1927	Operating	NYISO
Columbia Canal Hydro	South Carolina	Hydro	City of Columbia - (SC)	11 MW	—	—	1927	Out of service	—
Wilbur	Tennessee	Hydro	Tennessee Valley Authority	11 MW	15	15.7%	1912	Operating	—
Dahowa Hydro	New York	Hydro	GR Catalyst Two LLC	11 MW	27	29.8%	1987	Operating	NYISO
Hiram	Maine	Hydro	Brookfield White Pine Hydro LLC	11 MW	40	43.5%	1917	Operating	ISO
Pontook Hydro Facility	New Hampshire	Hydro	Pontook Operating LP	11 MW	62	67.1%	1986	Operating	ISO
Wailuku River Hydroelectric	Hawaii	Hydro	Wailuku Holding Company LLC	10 MW	17	18.1%	1993	Operating	—
Mcindoes	Vermont	Hydro	Great River Hydro, LLC	10 MW	53	58.2%	1931	Operating	ISO
Marseilles Lock and Dam Hydro	Illinois	Hydro	Marseilles Land and Water Company	10 MW	—	—	—	Under construction	MISO
Black Canyon	Idaho	Hydro	U S Bureau of Reclamation	10 MW	59	65.8%	1925	Operating	—
Narrows PH	California	Hydro	Yuba County Water Agency - (CA)	10 MW	81	90.3%	1942	Operating	CAISO
Otis Hydro	Maine	Hydro	Eagle Creek Renewable Energy, LLC	10 MW	29	32.7%	1985	Operating	ISO
Venice Hydro	California	Hydro	Metropolitan Water District of S CA	10 MW	—	—	1982	Standby	CAISO
Grenada Lake Hydroelectric Project	Mississippi	Hydro	Rye Development	10 MW	—	—	—	Planned	—
Minetto	New York	Hydro	Erie Boulevard Hydropower LP	10 MW	33	37.1%	1915	Operating	NYISO
Drop 2 (CA)	California	Hydro	Imperial Irrigation District	10 MW	29	33.5%	1953	Operating	—
Beardsley	California	Hydro	Oakdale&South San Joaquin Irrigation D.	10 MW	56	60.6%	1957	Operating	CAISO
McNary Dam Fish Attraction Project	Washington	Hydro	Northern Wasco County PUD - (OR)	10 MW	64	72.8%	1997	Operating	—
Kelly Ridge	California	Hydro	South Feather Water and Power Agency	10 MW	67	75.9%	1963	Operating	CAISO
Jones Fork	California	Hydro	Sacramento Municipal Util Dist	10 MW	9	9.8%	1985	Operating	—
Upper Falls	Washington	Hydro	Avista	10 MW	60	68.3%	1922	Operating	—
Haypress	California	Hydro	EIF Haypress LLC	10 MW	15	16.5%	1988	Operating	CAISO
Dresden Island Hydroelectric Project	Illinois	Hydro	Northern Illinois Hydropower, LLC	10 MW	—	—	—	Planned	PJM
Fontenelle	Wyoming	Hydro	U S Bureau of Reclamation	10 MW	53	60.6%	1968	Operating	—
Granby	New York	Hydro	Erie Boulevard Hydropower LP	10 MW	36	40.6%	1983	Operating	NYISO
Hat Creek 1	California	Hydro	Pacific Gas & Electric Co.	10 MW	27	30.5%	1921	Operating	CAISO
Hat Creek 2	California	Hydro	Pacific Gas & Electric Co.	10 MW	26	29.7%	1921	Operating	CAISO
San Dimas	California	Hydro	Metropolitan Water District of S CA	10 MW	—	—	1981	Operating	CAISO
Upper Molina	Colorado	Hydro	U S Bureau of Reclamation	10 MW	23	26.1%	1962	Operating	—
Bypass	Idaho	Hydro	North Side Energy Company	10 MW	27	31.1%	1987	Operating	—
Marshall (MI)	Michigan	Natural Gas	City of Marshall - (MI)	10 MW	1	0.8%	1928	Operating	MISO
Gold Creek	Alaska	Distillate Oil	Alaska Electric Light & Power Co.	10 MW	5	6.3%	1914	Standby	—
Kilbourn	Wisconsin	Hydro	Wisconsin Power & Light Co	10 MW	58	67.7%	1926	Operating	MISO
Broadwater Power Project	Montana	Hydro	Montana Dept-Natural Res&Consv	10 MW	47	55.7%	1989	Operating	—
Eagle Pass	Texas	Hydro	Maverick Cty Water Control & Improvement	10 MW	22	26.5%	1932	Operating	ERCOT
SAF Hydroelectric LLC	Minnesota	Hydro	SAF Hydroelectric LLC	10 MW	29	33.9%	2011	Operating	MISO
Michigamme Falls	Michigan	Hydro	WEC Energy Group	10 MW	23	27.3%	1953	Operating	MISO
Mahoney Lake Hydroelectric	Alaska	Hydro	Ketchikan Electric Company	10 MW	—	—	—	Planned	—
Potter Valley	California	Hydro	Pacific Gas & Electric Co.	9 MW	—	—	1910	Out of service	CAISO
Horseshoe Bend Hydroelectric Co	Idaho	Hydro	Horseshoe Bend Hydroelectric Co	9 MW	42	50.9%	1995	Operating	—
Sartell Dam	Minnesota	Hydro	Eagle Creek Renewable Energy, LLC	9 MW	29	35.7%	1985	Operating	MISO
Twin Falls (WI)	Wisconsin	Hydro	WEC Energy Group	9 MW	31	38.1%	2016	Operating	MISO
Allegheny No. 5 Hydro Station	Pennsylvania	Hydro	Eagle Creek Renewable Energy, LLC	9 MW	34	41.4%	1988	Operating	PJM
Allegheny No 6 Hydro Station	Pennsylvania	Hydro	Eagle Creek Renewable Energy, LLC	9 MW	32	39.2%	1988	Operating	PJM
International Paper Livermore Hydro	Maine	Hydro	Eagle Creek Renewable Energy, LLC	9 MW	17	21.3%	1910	Operating	ISO
Drop 3 (CA)	California	Hydro	Imperial Irrigation District	9 MW	26	32.6%	1941	Operating	—
Foothill Feeder	California	Hydro	Metropolitan Water District of S CA	9 MW	—	—	1981	Operating	CAISO
Little Quinnesec Falls Hydro Project	Wisconsin	Hydro	Eagle Creek Renewable Energy, LLC	9 MW	57	71.7%	1900	Operating	MISO
Cooke	Michigan	Hydro	Consumers Energy Co - (MI)	9 MW	25	31.4%	1911	Operating	MISO
Remmel	Arkansas	Hydro	Entergy	9 MW	30	38.5%	1925	Operating	MISO
Falls River Hydro	Idaho	Hydro	Marysville Hydro Partners	9 MW	47	59.9%	1993	Operating	—
Foote	Michigan	Hydro	Consumers Energy Co - (MI)	9 MW	27	34.3%	1918	Operating	MISO
Beebee Island Hydro Plant	New York	Hydro	Erie Boulevard Hydropower LP	9 MW	51	64.3%	1931	Operating	NYISO
Falls Village	Connecticut	Hydro	FirstLight Power Resources Services LLC	9 MW	30	38.2%	1914	Operating	ISO
McSwain	California	Hydro	Merced Irrigation District	9 MW	32	40.3%	1967	Operating	CAISO
Bear Creek Dam	North Carolina	Hydro	Duke Energy	9 MW	—	—	1954	Operating	—
Jarvis (Hinckley)	New York	Hydro	New York Power Authority	9 MW	23	28.9%	1991	Operating	NYISO
Magic Dam Hydroelectric Project	Idaho	Hydro	Wood Hydro, LLC	9 MW	20	25.1%	1989	Operating	—
Allegheny L&D2 Hydroelectric Project	Pennsylvania	Hydro	Rye Development	9 MW	—	—	—	Planned	PJM
Ellsworth Hydro Station	Maine	Hydro	Brookfield Black Bear Hydro, LLC	9 MW	22	28.0%	1924	Operating	ISO
Croton	Michigan	Hydro	Consumers Energy Co - (MI)	9 MW	29	37.3%	1907	Operating	MISO
Bolton Falls	Vermont	Hydro	small shareholder(s)	9 MW	0	0.1%	1986	Operating	ISO
Foothill	California	Hydro	Los Angeles Department of Water & Power	9 MW	40	51.3%	1971	Operating	—
Shawmut	Maine	Hydro	Brookfield White Pine Hydro LLC	9 MW	17	21.9%	1913	Operating	ISO
Dashields Hydroelectric Project	Pennsylvania	Hydro	Dashields Hydropower Corporations	9 MW	—	—	—	Planned	PJM
S E Hazelton A	Idaho	Hydro	North Side Energy Company	9 MW	25	32.3%	1990	Operating	—
Gay Robinson	Hawaii	Hydro	Gay & Robinson Inc	9 MW	42	55.5%	1982	Operating	—
Derby Hydro	Connecticut	Hydro	McCallum Enterprises I LP	9 MW	24	31.7%	1989	Operating	ISO
St. Cloud Hydro	Minnesota	Hydro	St. Cloud Hydroelectric Generation Facility	9 MW	51	67.0%	1988	Operating	MISO
Redwood Falls	Minnesota	Natural Gas	Redwood Falls Public Util Comm	9 MW	3	3.8%	1970	Operating	MISO
Volta 1	California	Hydro	Pacific Gas & Electric Co.	9 MW	—	—	1980	Operating	CAISO
Rochester 2	New York	Hydro	Avangrid	9 MW	—	—	1960	Out of service	NYISO
Sepulveda Canyon	California	Hydro	Metropolitan Water District of S CA	9 MW	—	—	1982	Standby	—
Tunnel 1 Power Project	Oregon	Hydro	Owyhee Irrigation District	9 MW	22	29.9%	1993	Operating	—
Salmon Creek 1	Alaska	Hydro	Alaska Electric Light & Power Co.	9 MW	30	40.4%	1984	Operating	—
Wilson Lake Hydroelectric Project	Idaho	Hydro	Hazelton/Wilson Joint Venture	8 MW	29	38.7%	1993	Operating	—
Bishop Creek 3	California	Hydro	Edison International	8 MW	20	27.6%	1913	Operating	CAISO
Buck Hydro	Virginia	Hydro	American Electric Power Company	8 MW	26	34.8%	1912	Operating	PJM
Ayers Island	New Hampshire	Hydro	Central Rivers Power NH, LLC	8 MW	40	54.2%	1925	Operating	ISO
Tule River	California	Hydro	Tule Hydro LLC	8 MW	—	—	1914	Out of service	CAISO
CW Bill Young Hydropower Project	Pennsylvania	Hydro	C.W. Bill Young Hydropower Group, Inc	8 MW	—	—	—	Planned	PJM
Chili Bar	California	Hydro	Sacramento Municipal Util Dist	8 MW	33	45.1%	1965	Operating	CAISO
Upper Malad	Idaho	Hydro	IDACORP	8 MW	58	80.0%	1948	Operating	—
New Badger	Wisconsin	Hydro	City of Kaukauna (WI)	8 MW	47	65.3%	2014	Operating	MISO
Pyrites Plant	New York	Hydro	Central Rivers Power US, LLC	8 MW	25	35.1%	1949	Operating	NYISO
Bishop Creek 4	California	Hydro	Edison International	8 MW	40	55.6%	1905	Operating	CAISO
Watertown	New York	Hydro	City of Watertown - (NY)	8 MW	22	30.4%	1924	Operating	NYISO
Marys Lake	Colorado	Hydro	U S Bureau of Reclamation	8 MW	5	6.3%	1951	Operating	—
Wisconsin Rapids	Wisconsin	Hydro	Consolidated Water Power Co	8 MW	50	70.1%	1903	Operating	MISO
Robert D Willis	Texas	Hydro	USACE-Fort Worth District	8 MW	—	—	1989	Out of service	MISO
Varick	New York	Hydro	Erie Boulevard Hydropower LP	8 MW	22	31.6%	1926	Operating	NYISO
Alcona	Michigan	Hydro	Consumers Energy Co - (MI)	8 MW	26	36.3%	1924	Operating	MISO
Swinging Bridge 2	New York	Hydro	Eagle Creek Renewable Energy, LLC	8 MW	16	23.2%	1939	Operating	NYISO
El Vado Dam	New Mexico	Hydro	Los Alamos County - (NM)	8 MW	—	—	1988	Operating	—
South Forks Hydro	Idaho	Hydro	South Forks Joint Venture	8 MW	26	36.8%	1984	Operating	—
City Power Plant	Idaho	Hydro	City of Idaho Falls - (ID)	8 MW	40	57.4%	1982	Operating	—
White Rapids	Michigan	Hydro	WEC Energy Group	8 MW	30	42.4%	1927	Operating	MISO
Rainbow (CT)	Connecticut	Hydro	Farmington River Power Company	8 MW	20	28.2%	1925	Operating	ISO
Walterville	Oregon	Hydro	Eugene Water & Electric Board	8 MW	9	12.7%	1949	Out of service	—
Gross Hydro Plant	Colorado	Hydro	Denver City & County of - (CO)	8 MW	10	14.6%	2007	Operating	—
Lower No 1	Idaho	Hydro	City of Idaho Falls - (ID)	8 MW	39	55.4%	1982	Operating	—
Tri-County Water Hydropower Project	Colorado	Hydro	Tri-County Water Conservancy District	8 MW	17	23.8%	2014	Operating	—
Lighthouse Hill	New York	Hydro	Erie Boulevard Hydropower LP	8 MW	19	27.4%	1930	Operating	NYISO
Upper Power Plant	Idaho	Hydro	City of Idaho Falls - (ID)	8 MW	45	63.8%	1982	Operating	—
McClure Dam	Michigan	Hydro	Upper Peninsula Power Company	8 MW	32	46.1%	1988	Operating	MISO
Moshier	New York	Hydro	Erie Boulevard Hydropower LP	8 MW	38	54.2%	1929	Operating	NYISO
Perris	California	Hydro	Metropolitan Water District of S CA	8 MW	0	0.3%	1983	Operating	CAISO
Georgia-Pacific Big Island	Virginia	Natural Gas	GP Big Island LLC	8 MW	37	54.2%	1920	Operating	PJM
Chalk Hill	Michigan	Hydro	WEC Energy Group	8 MW	14	20.0%	1927	Operating	MISO
Milford Hydro Station	Maine	Hydro	Brookfield Black Bear Hydro, LLC	8 MW	37	54.4%	1941	Operating	ISO
Monroe (NE)	Nebraska	Hydro	Loup River Public Power Dist	8 MW	25	34.4%	1936	Operating	SPP
West Buxton	Maine	Hydro	Brookfield White Pine Hydro LLC	8 MW	20	30.2%	1904	Operating	ISO
Big Falls	Wisconsin	Hydro	Northern States Power Co - Minnesota	8 MW	36	53.4%	1922	Operating	MISO
Inskip	California	Hydro	Pacific Gas & Electric Co.	8 MW	—	—	1979	Out of service	CAISO
Hazelton B Hydro	Idaho	Hydro	Hazelton/Wilson Joint Venture	8 MW	24	36.2%	1993	Operating	—
City of Peru Hydro-Electric Generating S	Illinois	Hydro	City of Peru - (IL)	8 MW	—	—	1996	Operating	MISO
Grand Rapids	Michigan	Hydro	WEC Energy Group	8 MW	32	48.4%	1918	Operating	MISO
Chace Mill Winooski One	Vermont	Hydro	City of Burlington Electric - (VT)	8 MW	29	44.7%	1993	Operating	ISO
Tiber Dam Hydroelectric Plant	Montana	Hydro	Tiber Montana LLC	8 MW	36	54.8%	2004	Operating	—
West Delaware Tunnel Plant	New York	Hydro	Erie Boulevard Hydropower LP	8 MW	19	28.3%	1988	Operating	NYISO
Youngs Creek Hydroelectric Project	Washington	Hydro	PUD No 1 of Snohomish County - (WA)	8 MW	19	28.3%	2011	Operating	—
Cushaw	Virginia	Hydro	Cushaw Hydro LLC	8 MW	12	18.3%	1930	Operating	PJM
Dorena Hydro-Electric Facility	Oregon	Hydro	Dorena Hydro, LLC	8 MW	14	21.5%	2014	Operating	—
James W. Broderick Hydropower Plant	Colorado	Hydro	James W. Broderick Hydropower Plant	8 MW	21	31.4%	2019	Operating	—
Milton	Vermont	Hydro	small shareholder(s)	7 MW	44	68.2%	1929	Operating	ISO
Felt	Idaho	Hydro	Fall River Rural Elec Coop Inc	7 MW	28	42.7%	1946	Operating	—
Mongaup Falls	New York	Hydro	Eagle Creek Renewable Energy, LLC	7 MW	10	15.7%	1923	Operating	NYISO
Norway (IN)	Indiana	Hydro	Northern Indiana Pub Serv Co	7 MW	16	25.6%	1923	Operating	MISO
Bishop Creek 2	California	Hydro	Edison International	7 MW	16	25.5%	1908	Operating	CAISO
Bulls Bridge	Connecticut	Hydro	FirstLight Power Resources Services LLC	7 MW	31	48.9%	1903	Operating	ISO
Kingsford	Michigan	Hydro	WEC Energy Group	7 MW	25	39.2%	1924	Operating	MISO
Du Bay	Wisconsin	Hydro	Consolidated Water Power Co	7 MW	43	68.1%	1942	Operating	MISO
Sacramento Municipal Util Dist	California	Hydro	South Sutter Water District	7 MW	7	11.8%	1985	Operating	CAISO
Hannawa	New York	Hydro	Erie Boulevard Hydropower LP	7 MW	53	82.5%	1914	Operating	NYISO
Sherman	Massachusetts	Hydro	Great River Hydro, LLC	7 MW	27	42.0%	1926	Operating	ISO
Prospect 3	Oregon	Hydro	Berkshire Hathaway	7 MW	—	—	1932	Operating	—
Lockwood Hydroelectric Facility	Maine	Hydro	Merimil Ltd Partnership	7 MW	14	21.4%	1985	Operating	ISO
Berrien Springs	Michigan	Hydro	Commercial Development Company	7 MW	33	52.1%	1996	Operating	PJM
Kansas River Project	Kansas	Hydro	Bowersock Mills & Power Co	7 MW	22	35.5%	1920	Operating	SPP
Spaulding 1	California	Hydro	Pacific Gas & Electric Co.	7 MW	18	28.7%	1928	Operating	CAISO
High Falls (WI)	Wisconsin	Hydro	WEC Energy Group	7 MW	16	26.6%	1910	Operating	MISO
Riverside Holyoke	Massachusetts	Hydro	City of Holyoke Gas and Elec Dept - (MA)	7 MW	38	63.4%	1906	Operating	ISO
Proctor	Vermont	Hydro	small shareholder(s)	7 MW	31	51.5%	1905	Operating	ISO
Thousand Springs	Idaho	Hydro	IDACORP	7 MW	55	91.7%	1920	Operating	—
Rapidan Hydro Facility	Minnesota	Hydro	Eagle Creek Renewable Energy, LLC	7 MW	1	1.6%	1984	Out of service	MISO
Hatchet Creek Project	California	Hydro	Mega Renewables	7 MW	23	38.0%	1986	Operating	CAISO
Rogers	Michigan	Hydro	Consumers Energy Co - (MI)	7 MW	16	27.6%	1922	Operating	MISO
Port Edwards Mill	Wisconsin	Hydro	Paper Excellence	7 MW	40	67.2%	1913	Operating	MISO
Aziscohos Hydroelectric Project	Maine	Hydro	Brookfield White Pine Hydro LLC	7 MW	36	61.7%	1988	Operating	ISO
South	California	Hydro	Pacific Gas & Electric Co.	7 MW	13	22.3%	1979	Operating	CAISO
Lower Saranac Hydroelectric Facility	New York	Hydro	Central Rivers Power US, LLC	7 MW	11	18.5%	1990	Operating	NYISO
Ashton	Idaho	Hydro	Berkshire Hathaway	7 MW	33	55.5%	1917	Operating	—
Spaulding 3	California	Hydro	Pacific Gas & Electric Co.	7 MW	16	26.8%	1929	Operating	CAISO
Hydro II	Utah	Hydro	City of Logan - (UT)	7 MW	19	32.9%	1986	Operating	—
International Paper Riley Hydro	Maine	Hydro	Eagle Creek Renewable Energy, LLC	7 MW	18	30.4%	1981	Operating	ISO
Cataract Hydro	Maine	Hydro	Brookfield White Pine Hydro LLC	7 MW	28	49.1%	1937	Operating	ISO
Dalles Dam North Fishway Project	Oregon	Hydro	Northern Wasco County PUD - (OR)	7 MW	44	77.4%	1991	Operating	—
Allison Creek Hydro	Alaska	Hydro	Copper Valley Elec Assn, Inc	7 MW	19	32.5%	2016	Operating	—
Thief River Falls	Minnesota	Distillate Oil	City of Thief River Falls - (MN)	7 MW	3	4.8%	1927	Operating	MISO
Deer Rips	Maine	Hydro	Brookfield White Pine Hydro LLC	7 MW	58	84.2%	1903	Operating	ISO
Guernsey	Wyoming	Hydro	U S Bureau of Reclamation	6 MW	18	32.6%	1927	Operating	—
Cedar Cliff	North Carolina	Hydro	Duke Energy	6 MW	12	20.8%	1952	Operating	—
Eastman Falls	New Hampshire	Hydro	Central Rivers Power NH, LLC	6 MW	24	43.1%	1937	Operating	ISO
Centerville PH	California	Hydro	Pacific Gas & Electric Co.	6 MW	—	—	1900	Out of service	CAISO
Caldron Falls	Wisconsin	Hydro	WEC Energy Group	6 MW	14	24.4%	1924	Operating	MISO
Allegheny Lock and Dam 4	Pennsylvania	Hydro	Allegheny Hydro Group Lock and Dam 4, Inc	6 MW	—	—	—	Planned	PJM
Norway (MI)	Michigan	Hydro	City of Norway - (MI)	6 MW	27	49.3%	1905	Operating	MISO
Peterson	Vermont	Hydro	small shareholder(s)	6 MW	31	56.4%	1948	Operating	ISO
Combined Locks	Wisconsin	Hydro	City of Kaukauna (WI)	6 MW	43	79.4%	1988	Operating	MISO
Ware Shoals Hydro Project	South Carolina	Hydro	Central Rivers Power US, LLC	6 MW	—	—	1939	Operating	—
Glen Ferris Hydro	West Virginia	Hydro	Hawks Nest Hydro LLC	6 MW	14	26.0%	1912	Operating	PJM
Oxbow (CA)	California	Hydro	Placer County Water Agency - (CA)	6 MW	27	50.6%	1966	Operating	CAISO
Gas Utilization Facility	California	Bio. Gas	City of San Diego - (CA)	6 MW	31	57.6%	1985	Operating	CAISO
Black Butte	California	Hydro	City of Santa Clara - (CA)	6 MW	15	28.0%	1988	Operating	CAISO
Russell D Smith	Washington	Hydro	Columbia Basin Hydropower	6 MW	13	23.4%	1982	Operating	—
Stuyvesant Falls	New York	Hydro	Albany Engineering Corporation	6 MW	12	22.6%	2012	Operating	NYISO
Kamargo	New York	Hydro	Erie Boulevard Hydropower LP	6 MW	27	52.2%	1921	Operating	NYISO
Hancock Creek Hydroelectric Project	Washington	Hydro	PUD No 1 of Snohomish County - (WA)	6 MW	23	43.6%	2018	Operating	—
Inghams	New York	Hydro	Erie Boulevard Hydropower LP	6 MW	27	51.4%	1912	Operating	NYISO
Higley	New York	Hydro	Erie Boulevard Hydropower LP	6 MW	37	70.5%	2003	Operating	NYISO
Cedar Falls (WI)	Wisconsin	Hydro	Northern States Power Co - Minnesota	6 MW	34	64.2%	1910	Operating	MISO
High Falls - Croghan NY	New York	Hydro	Erie Boulevard Hydropower LP	6 MW	29	55.3%	1925	Operating	NYISO
Power Creek	Alaska	Hydro	Cordova Electric Coop, Inc	6 MW	17	31.5%	2001	Operating	—
Oswego Falls East	New York	Hydro	Erie Boulevard Hydropower LP	6 MW	23	43.8%	1914	Operating	NYISO
Mill C	New York	Hydro	New York State Elec & Gas Corp	6 MW	28	53.4%	1943	Operating	NYISO
Burton Dam	Georgia	Hydro	Southern	6 MW	20	37.1%	1927	Operating	—
Mahoning Creek Hydroelectric Project	Pennsylvania	Hydro	Eagle Creek Renewable Energy, LLC	6 MW	12	22.7%	2013	Operating	PJM
Canyon	Texas	Hydro	Guadalupe Blanco River Authority	6 MW	—	—	1989	Standby	ERCOT
Eagle	New York	Hydro	Erie Boulevard Hydropower LP	6 MW	29	55.6%	1914	Operating	NYISO
Black River	New York	Hydro	Erie Boulevard Hydropower LP	6 MW	27	51.4%	1920	Operating	NYISO
Green Island Hydroelectric Station	New York	Hydro	Albany Engineering Corporation	6 MW	37	70.9%	1922	Operating	NYISO
Spring Gap	California	Hydro	Pacific Gas & Electric Co.	6 MW	26	49.4%	1921	Operating	CAISO
Calligan Creek Hydroelectric Project	Washington	Hydro	PUD No 1 of Snohomish County - (WA)	6 MW	17	32.6%	2018	Operating	—
Five Channels	Michigan	Hydro	Consumers Energy Co - (MI)	6 MW	23	43.9%	1912	Operating	MISO
Opekiska L&D Hydroelectric Project	West Virginia	Hydro	Rye Development	6 MW	—	—	—	Planned	PJM
Red Mountain	California	Hydro	Metropolitan Water District of S CA	6 MW	29	55.6%	1985	Operating	CAISO
Spicer Meadow Project	California	Hydro	Northern California Power Agny	6 MW	22	41.4%	1989	Operating	CAISO
Vallecito Hydroelectric	Colorado	Hydro	Ptarmigan Res & Engy Inc	6 MW	19	37.4%	1989	Operating	—
Biron	Wisconsin	Hydro	Consolidated Water Power Co	6 MW	31	60.6%	1896	Operating	MISO
Drop 1	California	Hydro	Imperial Irrigation District	6 MW	8	15.6%	1984	Operating	—
Huntington Falls	Vermont	Hydro	small shareholder(s)	6 MW	23	45.7%	1988	Operating	ISO
Turners Falls	Massachusetts	Hydro	FirstLight Power Resources, Inc. - MA	6 MW	12	24.5%	1905	Operating	ISO
Beldens	Vermont	Hydro	small shareholder(s)	6 MW	14	27.1%	1913	Operating	ISO
Black River Hydro Associates	New York	Hydro	Central Rivers Power US, LLC	6 MW	23	46.8%	1984	Operating	NYISO
Manitou Springs	Colorado	Hydro	City of Colorado Springs - (CO)	6 MW	2	4.2%	1927	Operating	—
San Fernando	California	Hydro	Los Angeles Department of Water & Power	6 MW	—	—	1922	Operating	—
Haiwee	California	Hydro	Los Angeles Department of Water & Power	6 MW	5	10.4%	1927	Operating	—
Lower Molina	Colorado	Hydro	U S Bureau of Reclamation	6 MW	12	23.4%	1962	Operating	—
St Louis	Michigan	Distillate Oil	City of St Louis - (MI)	6 MW	0	0.1%	1919	Operating	MISO
Lyons Falls Hydroelectric	New York	Hydro	Northbrook Lyons Falls LLC	6 MW	28	57.0%	1923	Operating	NYISO
Cadyville	New York	Hydro	New York State Elec & Gas Corp	6 MW	24	49.2%	1921	Operating	NYISO
Waterbury 22	Vermont	Hydro	small shareholder(s)	6 MW	15	31.4%	1953	Operating	ISO
North Fork Hydro Plant	Colorado	Hydro	Denver City & County of - (CO)	6 MW	15	29.4%	1988	Operating	—
Deer Creek PH	California	Hydro	Nevada Irrigation District	6 MW	12	25.1%	1908	Operating	CAISO
Flint River	Georgia	Hydro	Southern	5 MW	35	72.9%	1921	Operating	—
Herrings	New York	Hydro	Erie Boulevard Hydropower LP	5 MW	23	48.4%	1924	Operating	NYISO
Fries Hydroelectric Project	Virginia	Hydro	Central Rivers Power US, LLC	5 MW	—	—	1933	Operating	PJM
Siphon Power Project	Oregon	Hydro	Central Oregon Irrigation Dist	5 MW	16	33.0%	1989	Operating	—
Beaver Falls	Alaska	Hydro	Ketchikan Public Utilities	5 MW	40	83.9%	1947	Operating	—
Wausau	Wisconsin	Hydro	WEC Energy Group	5 MW	19	39.1%	1921	Operating	MISO
Menomonie	Wisconsin	Hydro	Northern States Power Co - Minnesota	5 MW	24	51.6%	1958	Operating	MISO
Turner Shoals	North Carolina	Hydro	Northbrook Carolina Hydro LLC	5 MW	—	—	1996	Out of service	—
Braddock Lock and Dam	Pennsylvania	Hydro	Lock+ Hydro Friends Fund XLII, LLC	5 MW	—	—	—	Planned	PJM
Hamilton Branch	California	Hydro	Pacific Gas & Electric Co.	5 MW	—	—	1921	Out of service	CAISO
Gaston Shoals	South Carolina	Hydro	Northbrook Carolina Hydro II, LLC	5 MW	13	21.9%	1908	Operating	—
Brule	Wisconsin	Hydro	WEC Energy Group	5 MW	16	34.2%	1919	Operating	MISO
Frankenheimer Power Plant	California	Hydro	Turlock Irrigation District	5 MW	13	27.0%	1983	Operating	CAISO
Spartanburg Water System	South Carolina	Distillate Oil	Spartanburg Commissioners PW	5 MW	2	7.4%	1926	Operating	—
Townsend Hydro	Pennsylvania	Hydro	Beaver Falls Municipal Auth - (PA)	5 MW	16	35.1%	1987	Operating	PJM
Point A	Alabama	Hydro	PowerSouth Energy Cooperative	5 MW	15	32.7%	1925	Operating	—
Lachute Hydro Upper	New York	Hydro	Central Rivers Power US, LLC	5 MW	13	27.7%	1987	Operating	NYISO
Seneca Falls Hydroelectric Project	New York	Hydro	C-S Canal Hydro, LLC	5 MW	10	22.1%	1917	Operating	NYISO
Whiting	Wisconsin	Hydro	Consolidated Water Power Co	5 MW	25	55.8%	1891	Operating	MISO
Yorba Linda	California	Hydro	Metropolitan Water District of S CA	5 MW	—	—	1981	Operating	CAISO
Heart Mountain	Wyoming	Hydro	U S Bureau of Reclamation	5 MW	21	47.9%	1948	Operating	—
Basalt	Colorado	Hydro	City of Aspen- (CO)	5 MW	19	42.7%	1985	Operating	—
Boulder Canyon Hydro	Colorado	Hydro	Boulder, City of - (CO)	5 MW	—	—	2013	Operating	—
Juniper Ridge Hydroelectric Project	Oregon	Hydro	Central Oregon Irrigation Dist	5 MW	12	27.2%	2010	Operating	—
Mio	Michigan	Hydro	Consumers Energy Co - (MI)	5 MW	14	31.0%	1916	Operating	MISO
San Gabriel Hydro Project	California	Hydro	Los Angeles County-San Gabriel	5 MW	5	11.1%	1987	Operating	CAISO
Hiilangaay Hydro	Alaska	Hydro	Haida Energy, Inc.	5 MW	4	10.0%	2021	Operating	—
Fort Miller Hydroelectric Facility	New York	Hydro	Albany Engineering Corporation	5 MW	15	33.8%	1984	Operating	NYISO
Owyhee Dam Power Project	Oregon	Hydro	Owyhee Irrigation District	5 MW	28	62.2%	1985	Operating	—
Flat Rock	New York	Hydro	Erie Boulevard Hydropower LP	5 MW	19	43.0%	1924	Operating	NYISO
Olsen	California	Hydro	Olsen Power Partners	5 MW	14	30.9%	1990	Operating	CAISO
Box Canyon Dam	California	Hydro	Siskiyou Power Authority	5 MW	23	48.3%	1986	Operating	—
Norfolk	New York	Hydro	Erie Boulevard Hydropower LP	5 MW	28	64.0%	1928	Operating	NYISO
Marshall Dam	North Carolina	Hydro	Duke Energy	5 MW	—	—	1985	Operating	—
Tuxedo	North Carolina	Hydro	Northbrook Tuxedo, LLC	5 MW	17	37.8%	1920	Out of service	—
Cove Hydroelectric	California	Hydro	Snow Mountain Hydro LLC	5 MW	18	41.7%	1990	Operating	CAISO
Feeder Dam Hydro Plant	New York	Hydro	Erie Boulevard Hydropower LP	5 MW	24	55.7%	1924	Operating	NYISO
Dodge Falls Associates	New Hampshire	Hydro	Dodge Falls Associates LP	5 MW	29	66.9%	1990	Operating	ISO
Pioneer	Utah	Hydro	Berkshire Hathaway	5 MW	18	41.9%	1910	Operating	—
Big Creek Water Works	California	Hydro	Big Creek Water Works Ltd	5 MW	11	24.8%	1987	Operating	CAISO
Dolgeville Hydro	New York	Hydro	EONY Generation Limited	5 MW	12	26.4%	1985	Operating	NYISO
Marshfield 6	Vermont	Hydro	small shareholder(s)	5 MW	8	18.3%	1927	Operating	ISO
Snowden	Virginia	Hydro	Town of Bedford - (VA)	5 MW	14	31.8%	1987	Operating	PJM
Stony Gorge	California	Hydro	City of Santa Clara - (CA)	5 MW	16	35.9%	1986	Operating	CAISO
Point Marion L&D Hydroelectric Project	Pennsylvania	Hydro	Rye Development	5 MW	—	—	—	Planned	PJM
Enid Lake Hydroelectric Project	Mississippi	Hydro	Rye Development	5 MW	—	—	—	Planned	—
Arkabutla Lake Hydroelectric Project	Mississippi	Hydro	Rye Development	5 MW	—	—	—	Planned	—
Morgantown L&D Hydroelectric Project	West Virginia	Hydro	Rye Development	5 MW	—	—	—	Planned	PJM
Lake Mathews	California	Hydro	Metropolitan Water District of S CA	5 MW	7	16.1%	1980	Operating	CAISO
Kekawaka Power House	California	Hydro	Eagle Creek Renewable Energy, LLC	5 MW	—	—	1989	Out of service	CAISO
Dietrich Drop	Idaho	Hydro	Wood Hydro, LLC	5 MW	8	19.6%	1990	Operating	—
Little Cottonwood	Utah	Hydro	City of Murray - (UT)	5 MW	10	24.2%	1983	Operating	—
Deerfield 3	Massachusetts	Hydro	Great River Hydro, LLC	5 MW	25	55.0%	1912	Operating	ISO
Stevens Point	Wisconsin	Hydro	Consolidated Water Power Co	5 MW	29	67.7%	1918	Operating	MISO
Deerfield 4	Massachusetts	Hydro	Great River Hydro, LLC	5 MW	20	47.8%	1912	Operating	ISO
Deer Creek (UT)	Utah	Hydro	U S Bureau of Reclamation	5 MW	23	54.7%	1958	Operating	—
Gilman Mill	Vermont	Hydro	Ampersand Gilman Hydro LP	5 MW	4	9.3%	1941	Operating	ISO
Shavano Falls Hydro Drop 4	Colorado	Hydro	Shavano Falls Hydro LLC - Drop 4 Project	5 MW	22	52.6%	2015	Operating	—
Deerfield 2	Massachusetts	Hydro	Great River Hydro, LLC	5 MW	29	61.5%	1913	Operating	ISO
Twin Branch	Indiana	Hydro	Commercial Development Company	5 MW	23	54.3%	1989	Operating	PJM
Dashville	New York	Hydro	Central Hudson Gas & Elec Corp	5 MW	9	21.2%	1920	Operating	NYISO
Kaweah 3	California	Hydro	Edison International	5 MW	—	—	1913	Out of service	CAISO
Nacoochee	Georgia	Hydro	Southern	5 MW	13	30.0%	1926	Operating	—
Kaukauna City Hydro	Wisconsin	Hydro	City of Kaukauna (WI)	5 MW	23	54.7%	1940	Operating	MISO
Island Park	Idaho	Hydro	Fall River Rural Elec Coop Inc	5 MW	18	42.3%	1994	Operating	—
Whitman	Alaska	Hydro	Ketchikan Public Utilities	5 MW	9	20.5%	2015	Operating	—
Skagway	Alaska	Distillate Oil	Alaska Power and Telephone Co	5 MW	4	10.5%	1909	Operating	—
Ashokan	New York	Hydro	New York Power Authority	5 MW	11	27.9%	1982	Operating	NYISO
Little Falls (MN)	Minnesota	Hydro	ALLETE	5 MW	32	78.2%	1906	Operating	MISO
Penacook Lower Falls	New Hampshire	Hydro	Briar-Hydro Associates	5 MW	17	41.3%	1983	Operating	ISO
Tacoma	Colorado	Hydro	Public Service Co of Colorado	5 MW	4	10.7%	1905	Operating	—
Vinelands Power Plant	Colorado	Hydro	Grand Valley Power LLC	5 MW	15	38.4%	2022	Operating	—
Schoolfield Dam	Virginia	Hydro	Eagle Creek Renewable Energy, LLC	5 MW	12	31.1%	1990	Operating	PJM
La Grange	California	Hydro	Turlock Irrigation District Employees Association	5 MW	4	11.1%	1924	Operating	—
Kaheka Hydro	Hawaii	Hydro	Mahi Pono LLC	5 MW	—	—	1925	Out of service	—
Bishop Creek 5	California	Hydro	Edison International	5 MW	14	34.7%	1919	Operating	CAISO
Black Bear Lake	Alaska	Hydro	Alaska Power and Telephone Co	5 MW	21	54.1%	1995	Operating	—
Big Thompson	Colorado	Hydro	U S Bureau of Reclamation	5 MW	4	10.3%	1959	Operating	—
Spirit Mountain	Wyoming	Hydro	U S Bureau of Reclamation	5 MW	17	43.6%	1994	Operating	—
Upper Dawson	California	Hydro	Turlock Irrigation District Employees Association	4 MW	11	27.6%	1983	Operating	—
Buchanan (MI)	Michigan	Hydro	Commercial Development Company	4 MW	15	39.4%	1919	Operating	PJM
Nacimiento Hydro Project	California	Hydro	Monterey Cnty Water Res Agency	4 MW	18	47.0%	1987	Operating	CAISO
Jordan Hydroelectric Project	North Carolina	Hydro	Jordan Hydroelectric LTD PTP	4 MW	5	13.5%	2012	Out of service	—
Echo Dam	Utah	Hydro	City of Bountiful - (UT)	4 MW	12	31.8%	1987	Operating	—
Siphon Drop Power Plant	California	Hydro	Yuma County Water User's Association	4 MW	12	30.1%	1987	Operating	—
Big Quinnesec 61	Michigan	Hydro	WEC Energy Group	4 MW	4	9.7%	1914	Operating	MISO
Hastings City Hydroelectric	Minnesota	Hydro	Hastings Lock & Dam	4 MW	13	34.4%	1992	Operating	MISO
Neal Shoals	South Carolina	Hydro	Dominion Energy	4 MW	12	30.3%	1905	Operating	—
West End Dam Hydroelectric Project	New York	Hydro	Relevate Power Management LLC	4 MW	23	59.3%	1985	Operating	NYISO
Rancho Penasquitos	California	Hydro	San Diego County Water Auth	4 MW	—	—	—	Under construction	CAISO
Weeks Falls	Washington	Hydro	Eagle Creek Renewable Energy, LLC	4 MW	13	34.8%	1990	Operating	—
White River Lock and Dam 1	Arkansas	Hydro	Ozark Hydro Management, LLC	4 MW	15	39.4%	2007	Operating	—
Opal Springs Hydro	Oregon	Hydro	Deschutes Valley Water District	4 MW	29	76.0%	1985	Operating	—
White River Lock and Dam 3	Arkansas	Hydro	Ozark Hydro Management, LLC	4 MW	19	49.4%	2006	Operating	—
Cherokee Falls	South Carolina	Hydro	Hydroland Omega LLC	4 MW	—	—	1985	Operating	—
Rolfe Canal Hydro	New Hampshire	Hydro	Briar-Hydro Associates	4 MW	17	44.8%	1987	Operating	ISO
Webber	Michigan	Hydro	Consumers Energy Co - (MI)	4 MW	11	30.2%	1907	Operating	MISO
Ketchikan	Alaska	Hydro	Ketchikan Public Utilities	4 MW	19	51.9%	1938	Operating	—
Alexander	Wisconsin	Hydro	WEC Energy Group	4 MW	19	51.4%	1925	Operating	MISO
Slate Creek	California	Hydro	Central Rivers Power US, LLC	4 MW	7	20.0%	1990	Operating	—
Boulder	Utah	Hydro	Garkane Energy Coop, Inc	4 MW	20	55.4%	1958	Operating	—
Dexter Plant	New York	Hydro	Central Rivers Power US, LLC	4 MW	8	22.8%	1931	Operating	NYISO
Benton Falls Associates	Maine	Hydro	Essex Hydro Associates LLC	4 MW	4	11.6%	1987	Operating	ISO
Barber Dam	Idaho	Hydro	Barber Pool Hydro LLC	4 MW	7	18.7%	1990	Operating	—
Falls Creek	Oregon	Hydro	Eagle Creek Renewable Energy, LLC	4 MW	15	43.1%	1984	Operating	—
Valley View	California	Hydro	Metropolitan Water District of S CA	4 MW	—	—	1985	Operating	CAISO
Big Fork	Montana	Hydro	Berkshire Hathaway	4 MW	21	57.8%	1910	Operating	—
South Edwards	New York	Hydro	Erie Boulevard Hydropower LP	4 MW	22	62.8%	1912	Operating	NYISO
Winton	Minnesota	Hydro	ALLETE	4 MW	10	29.4%	1923	Operating	MISO
Goat Lake Hydro	Alaska	Hydro	Alaska Power and Telephone Co	4 MW	15	43.0%	1997	Operating	—
Newport	Vermont	Hydro	Great Bay Hydro Corp	4 MW	21	58.5%	1936	Operating	ISO
New Lahontan	Nevada	Hydro	Truckee-Carson Irrigation District	4 MW	10	28.7%	1989	Operating	—
Johnsonville Dam	New York	Hydro	Erie Boulevard Hydropower LP	4 MW	8	22.7%	1909	Operating	NYISO
South Canal Hydro-1	Colorado	Hydro	Delta-Montrose Electric Association	4 MW	18	51.9%	2013	Operating	—
Searsburg	Vermont	Hydro	Great River Hydro, LLC	4 MW	15	43.7%	1922	Operating	ISO
Waterport	New York	Hydro	Erie Boulevard Hydropower LP	4 MW	12	35.1%	1921	Operating	NYISO
East Norfolk	New York	Hydro	Erie Boulevard Hydropower LP	4 MW	26	72.6%	1928	Operating	NYISO
Loud	Michigan	Hydro	Consumers Energy Co - (MI)	4 MW	17	47.5%	1913	Operating	MISO
Ephratah	New York	Hydro	Erie Boulevard Hydropower LP	4 MW	5	13.9%	1911	Out of service	NYISO
Hollidays Bridge Hydro	South Carolina	Hydro	Northbrook Carolina Hydro LLC	4 MW	10	27.5%	1996	Operating	—
Medway Hydro	Maine	Hydro	Brookfield Black Bear Hydro, LLC	4 MW	23	66.5%	1923	Operating	ISO
Drop 5 (CA)	California	Hydro	Imperial Irrigation District	4 MW	6	18.3%	1982	Operating	—
Annex Creek	Alaska	Hydro	Alaska Electric Light & Power Co.	4 MW	5	14.2%	1915	Operating	—
Allens Falls	New York	Hydro	Erie Boulevard Hydropower LP	4 MW	29	82.2%	1927	Operating	NYISO
San Joaquin 3	California	Hydro	Pacific Gas & Electric Co.	4 MW	—	—	1923	Out of service	CAISO
Taylorville	New York	Hydro	Erie Boulevard Hydropower LP	4 MW	22	63.1%	1913	Operating	NYISO
Sugar Island	New York	Hydro	Erie Boulevard Hydropower LP	4 MW	28	79.8%	1924	Operating	NYISO
Gateway	Utah	Hydro	Weber Basin Water Conserv Dist	4 MW	15	42.2%	1958	Operating	—
Spearfish Hydro	South Dakota	Hydro	City of Spearfish - (SD)	4 MW	20	56.7%	1912	Operating	—
Norway Point Hydropower Project	Michigan	Hydro	Eagle Creek Renewable Energy, LLC	4 MW	15	43.6%	1990	Operating	MISO
Mechanicville Hydroelectric Station	New York	Hydro	Albany Engineering Corporation	4 MW	22	62.2%	2011	Operating	NYISO
Byllesby	Minnesota	Hydro	Dakota County, MN	4 MW	—	—	—	Testing	MISO
Orono B	Maine	Hydro	Brookfield Black Bear Hydro, LLC	4 MW	21	62.2%	2013	Operating	ISO
Purple Lake	Alaska	Hydro	Metlakatla Power & Light	4 MW	12	35.7%	1956	Operating	—
Moyie Springs	Idaho	Hydro	City of Bonners Ferry (ID)	4 MW	21	61.1%	1921	Operating	—
Rocky River (SC)	South Carolina	Hydro	City of Abbeville - (SC)	4 MW	6	17.7%	1941	Operating	—
Prospect 1	Oregon	Hydro	Berkshire Hathaway	4 MW	2	6.5%	1912	Operating	—
Sandstone Rapids	Wisconsin	Hydro	WEC Energy Group	4 MW	9	26.3%	1925	Operating	MISO
Lachute Hydro Lower	New York	Hydro	Central Rivers Power US, LLC	4 MW	13	37.4%	1987	Operating	NYISO
Weber	Utah	Hydro	Berkshire Hathaway	4 MW	—	—	1911	Operating	—
Indian Orchard	Massachusetts	Hydro	Central Rivers Power MA, LLC	4 MW	6	19.5%	1928	Operating	ISO
Spaulding 2	California	Hydro	Pacific Gas & Electric Co.	4 MW	—	—	1928	Out of service	CAISO
Black Creek	Washington	Hydro	Black Creek Hydro Inc	4 MW	8	25.7%	1994	Operating	—
Brassua Hydroelectric Project	Maine	Hydro	Brassua Hydroelectric LP	4 MW	10	32.9%	1989	Operating	ISO
Pittsford	Vermont	Hydro	small shareholder(s)	4 MW	8	25.3%	1914	Operating	ISO
Stampede	California	Hydro	U S Bureau of Reclamation	4 MW	15	48.8%	1988	Operating	—
Murphys	California	Hydro	Utica Water & Power Authority	4 MW	15	48.8%	1954	Operating	CAISO
Chester Diversion Hydroelectric Project	Idaho	Hydro	Fall River Rural Elec Coop Inc	4 MW	8	25.0%	2014	Operating	—
Dunlap TP 1	Texas	Hydro	Guadalupe Blanco River Authority	4 MW	4	14.0%	1927	Operating	ERCOT
Bowman	California	Hydro	Nevada Irrigation District	4 MW	11	33.3%	1986	Operating	CAISO
Lake Lure	North Carolina	Hydro	Town of Lake Lure - (NC)	4 MW	3	10.0%	1927	Operating	—
Wainiha Hydro	Hawaii	Hydro	BBCP Kauai Operating LLC	4 MW	20	62.7%	1906	Operating	—
Pine	Wisconsin	Hydro	WEC Energy Group	4 MW	10	31.5%	1922	Operating	MISO
Auglaize Hydro	Ohio	Hydro	City of Bryan - (OH)	4 MW	7	20.6%	1986	Operating	PJM
Philadlephia	New York	Hydro	EONY Generation Limited	4 MW	11	33.8%	1986	Operating	NYISO
Spanish Fork	Utah	Hydro	Strawberry Water Users Assn	4 MW	14	45.9%	1937	Operating	—
Dayton Hydro	Illinois	Hydro	Eagle Creek Renewable Energy, LLC	4 MW	16	49.5%	1925	Operating	MISO
Niagara	Virginia	Hydro	American Electric Power Company	4 MW	8	24.1%	1954	Operating	PJM
Ames Hydro	Colorado	Hydro	Public Service Co of Colorado	4 MW	1	1.7%	1906	Operating	—
Redbridge	Massachusetts	Hydro	Central Rivers Power MA, LLC	4 MW	—	—	1926	Out of service	ISO
Dry Creek Project	Idaho	Hydro	Dry Creek LLC	4 MW	10	31.9%	1987	Operating	—
Gregg Falls	New Hampshire	Hydro	Eagle Creek Renewable Energy, LLC	4 MW	9	29.1%	1985	Operating	ISO
Ogdensburg	New York	Hydro	Ampersand Ogdensburg Hydro, LLC	4 MW	4	13.2%	1987	Out of service	NYISO
Lake Mendocino	California	Hydro	City of Ukiah - (CA)	4 MW	12	40.2%	1987	Operating	CAISO
Whiskeytown	California	Hydro	City of Redding - (CA)	4 MW	20	64.0%	1986	Operating	—
Oakdale Power Station	Massachusetts	Hydro	Massachusetts Water Res Auth	4 MW	14	45.1%	1951	Operating	ISO
Boulder City Lakewood Hydro	Colorado	Hydro	Boulder, City of - (CO)	4 MW	9	27.9%	2004	Operating	—
Fairfax Falls	Vermont	Hydro	small shareholder(s)	4 MW	20	65.8%	1919	Operating	ISO
White River Lock and Dam 2	Arkansas	Hydro	Ozark Hydro Management, LLC	4 MW	12	40.6%	2007	Operating	—
South Canal Hydro-3	Colorado	Hydro	Delta-Montrose Electric Association	4 MW	14	44.5%	2013	Operating	—
Gardners Falls	Massachusetts	Hydro	Central Rivers Power MA, LLC	4 MW	11	36.0%	1914	Operating	ISO
Williams Fork Hydro Plant	Colorado	Hydro	Denver City & County of - (CO)	4 MW	12	37.7%	1959	Operating	—
Johnson Falls	Wisconsin	Hydro	WEC Energy Group	3 MW	10	34.3%	1923	Operating	MISO
Ladysmith Dam	Wisconsin	Hydro	Northern States Power Co - Minnesota	3 MW	11	37.7%	1940	Operating	MISO
Elkhart	Indiana	Hydro	Commercial Development Company	3 MW	13	43.5%	1913	Operating	PJM
Hampshire Paper	New York	Hydro	Hampshire Paper Co Inc	3 MW	12	40.2%	1987	Operating	NYISO
Penacook Upper Falls Hydro	New Hampshire	Hydro	Briar-Hydro Associates	3 MW	12	38.9%	1986	Operating	ISO
Forestport	New York	Hydro	Relevate Power Management LLC	3 MW	7	24.9%	1987	Operating	NYISO
Thermalito Diverson Dam	California	Hydro	California Dept. of Water Resources	3 MW	19	64.5%	1987	Operating	CAISO
Hoist	Michigan	Hydro	Upper Peninsula Power Company	3 MW	13	44.3%	1988	Operating	MISO
Merced Falls	California	Hydro	Merced Irrigation District	3 MW	9	31.4%	1930	Operating	CAISO
Stillwater Hydro Electric Project	New York	Hydro	GR Catalyst One, LLC	3 MW	11	36.3%	1993	Operating	NYISO
LAC Courte Oreilles Hydroelect	Wisconsin	Hydro	Zero6 Energy Hydro	3 MW	8	25.7%	1986	Operating	MISO
Little Chute	Wisconsin	Hydro	City of Kaukauna (WI)	3 MW	24	82.0%	1948	Operating	MISO
Pelzer Lower	South Carolina	Hydro	Central Rivers Power US, LLC	3 MW	5	16.1%	1989	Operating	—
Boise R Diversion	Idaho	Hydro	U S Bureau of Reclamation	3 MW	8	27.7%	2004	Operating	—
Turlock Lake	California	Hydro	Turlock Irrigation District Employees Association	3 MW	7	24.3%	1980	Operating	—
Copenhagen Plant	New York	Hydro	Central Rivers Power US, LLC	3 MW	9	29.6%	1984	Operating	NYISO
Middle Fork Irrigation District	Oregon	Hydro	Middle Fork Irrigation Dist	3 MW	20	69.6%	1986	Operating	—
Longfalls Facility	New York	Hydro	Ampersand Long Falls Hydro, LLC	3 MW	1	3.0%	1991	Operating	NYISO
Fourth Branch Hydroelectric Facility	New York	Hydro	Albany Engineering Corporation	3 MW	11	36.4%	1987	Operating	NYISO
Boulder City Silver Lake Hydro	Colorado	Hydro	Boulder, City of - (CO)	3 MW	9	32.1%	2000	Operating	—
Pleasant Valley Hydro	California	Hydro	Los Angeles Department of Water & Power	3 MW	9	30.9%	1958	Operating	—
Big Pine Creek	California	Hydro	Los Angeles Department of Water & Power	3 MW	12	40.9%	1925	Operating	—
Goodwin Hydroelectric	Connecticut	Hydro	Metropolitan Dist of Hartford	3 MW	9	31.6%	1986	Out of service	ISO
High Falls	New York	Hydro	Central Hudson Gas & Elec Corp	3 MW	5	17.0%	1986	Operating	NYISO
James R Smith	Michigan	Hydro	City of Marquette - (MI)	3 MW	13	47.6%	1919	Operating	MISO
Santa Ana 1	California	Hydro	Edison International	3 MW	—	—	1899	Out of service	CAISO
Jackman	New Hampshire	Hydro	Central Rivers Power NH, LLC	3 MW	9	31.1%	1926	Operating	ISO
Phoenix Hydro Project	New York	Hydro	Eagle Creek Renewable Energy, LLC	3 MW	9	32.3%	1991	Operating	NYISO
East Side	Oregon	Hydro	Berkshire Hathaway	3 MW	—	—	1924	Operating	—
Putts Bridge	Massachusetts	Hydro	Central Rivers Power MA, LLC	3 MW	16	49.8%	1918	Operating	ISO
Ottumwa City of	Iowa	Hydro	City of Ottumwa - (IA)	3 MW	1	3.6%	1931	Operating	MISO
Bear Creek (CA)	California	Hydro	Central Rivers Power US, LLC	3 MW	7	26.5%	1990	Operating	CAISO
Cosgrove Intake and Power Station	Massachusetts	Hydro	Massachusetts Water Res Auth	3 MW	1	2.6%	1969	Operating	ISO
Middlesex 2	Vermont	Hydro	small shareholder(s)	3 MW	10	34.9%	1928	Operating	ISO
International Paper Jay Hydro	Maine	Hydro	Eagle Creek Renewable Energy, LLC	3 MW	7	26.0%	1912	Operating	ISO
Foothills Hydro Plant	Colorado	Hydro	Denver City & County-Foothills - (CO)	3 MW	6	23.1%	1985	Operating	—
Puueo	Hawaii	Hydro	Hawaiian Electric Industries	3 MW	1	2.8%	1918	Operating	—
Coyote Creek	California	Hydro	Metropolitan Water District of S CA	3 MW	—	—	1984	Operating	CAISO
Mink Creek Hydro	Idaho	Hydro	Mink Creek Hydro Entity	3 MW	11	40.2%	1986	Operating	—
Boatlock	Massachusetts	Hydro	City of Holyoke Gas and Elec Dept - (MA)	3 MW	19	69.2%	1921	Operating	ISO
Santa Ana 3	California	Hydro	Edison International	3 MW	—	—	1999	Out of service	CAISO
Boulder City Betasso Hydro Plant	Colorado	Hydro	Boulder, City of - (CO)	3 MW	9	32.6%	1987	Operating	—
Deweys Mill	Vermont	Hydro	small shareholder(s)	3 MW	—	—	1989	Operating	ISO
Gantt	Alabama	Hydro	PowerSouth Energy Cooperative	3 MW	3	13.1%	1926	Operating	—
Clark Falls	Vermont	Hydro	small shareholder(s)	3 MW	17	64.3%	1937	Operating	ISO
Kasidaya Creek Hydro	Alaska	Hydro	Alaska Power and Telephone Co	3 MW	11	40.4%	2008	Operating	—
Niangua	Missouri	Hydro	Sho-Me Power Electric Coop	3 MW	1	2.0%	1930	Operating	—
Rock Creek LP	California	Hydro	Hydroland Omega LLC	3 MW	1	2.3%	1986	Operating	CAISO
New Hogan Power Plant	California	Hydro	Modesto Irrigation District	3 MW	9	33.5%	1989	Operating	CAISO
Lyonsdale Associates	New York	Hydro	Eagle Creek Renewable Energy, LLC	3 MW	11	41.6%	1984	Operating	NYISO
Lundy	California	Hydro	Edison International	3 MW	7	27.5%	1911	Operating	CAISO
Fontana	California	Hydro	Edison International	3 MW	9	32.8%	1917	Standby	CAISO
Chasm	New York	Hydro	Erie Boulevard Hydropower LP	3 MW	27	95.0%	1913	Operating	NYISO
Effley	New York	Hydro	Erie Boulevard Hydropower LP	3 MW	15	55.1%	1902	Operating	NYISO
Azusa	California	Hydro	City of Pasadena - (CA)	3 MW	—	—	1949	Operating	CAISO
Unionville Hydro Project 2499 NY	New York	Hydro	Erie Boulevard Hydropower LP	3 MW	13	50.6%	1984	Operating	NYISO
Hewittville Hydroelectric	New York	Hydro	Erie Boulevard Hydropower LP	3 MW	14	52.4%	1984	Operating	NYISO
Weybridge	Vermont	Hydro	small shareholder(s)	3 MW	14	53.1%	1951	Operating	ISO
Gorge 18	Vermont	Hydro	small shareholder(s)	3 MW	17	62.5%	1928	Operating	ISO
Hydraulic Race	New York	Hydro	Erie Boulevard Hydropower LP	3 MW	10	38.0%	1942	Out of service	NYISO
Oswego Falls West	New York	Hydro	Erie Boulevard Hydropower LP	3 MW	8	30.9%	1914	Operating	NYISO
Mt Ida Hydroelectric	New York	Hydro	Relevate Power Management LLC	3 MW	5	19.8%	1992	Operating	NYISO
Parishville	New York	Hydro	Erie Boulevard Hydropower LP	3 MW	16	59.3%	1925	Operating	NYISO
King Cove	Alaska	Hydro	City of King Cove - (AK)	3 MW	4	17.0%	1980	Operating	—
Rochester 26	New York	Hydro	Avangrid	3 MW	5	19.0%	1952	Operating	NYISO
Tuckasegee	North Carolina	Hydro	Duke Energy	3 MW	4	15.8%	1950	Operating	—
Burney Creek	California	Hydro	Snow Mountain Hydro LLC	3 MW	9	33.7%	1990	Operating	CAISO
Errol Hydroelectric Project	New Hampshire	Hydro	Errol Hydroelectric Co LLC	3 MW	15	58.1%	1986	Operating	ISO
Mill Creek 3	California	Hydro	Edison International	3 MW	11	40.3%	1903	Standby	CAISO
Lower No 2	Idaho	Hydro	City of Idaho Falls - (ID)	3 MW	5	20.5%	1940	Operating	—
45 Mile Hydroelectric Project	Oregon	Hydro	EBD Hydro LLC	3 MW	5	18.7%	2015	Operating	—
Dixon Hydroelectric Dam	Illinois	Hydro	Eagle Creek Renewable Energy, LLC	3 MW	11	42.7%	1925	Operating	PJM
Crosscut	Arizona	Hydro	Salt River Project	3 MW	—	—	1939	Out of service	—
Sissonville Hydro	New York	Hydro	Boralex Hydro Operations Inc	3 MW	16	59.6%	1990	Operating	NYISO
Shoshone (WY)	Wyoming	Hydro	U S Bureau of Reclamation	3 MW	18	67.0%	1922	Operating	—
Mine Falls Generating Station	New Hampshire	Hydro	City of Nashua - (NH)	3 MW	13	48.3%	1985	Operating	ISO
Moccasin Low Head Hydro Project	California	Hydro	City & County of San Francisco - (CA)	3 MW	0	0.0%	1987	Operating	CAISO
Corona	California	Hydro	Metropolitan Water District of S CA	3 MW	14	56.7%	1983	Operating	CAISO
Temescal	California	Hydro	Metropolitan Water District of S CA	3 MW	17	65.9%	1983	Operating	CAISO
Brainerd Public Utilities	Minnesota	Hydro	Brainerd Public Utilities	3 MW	11	43.0%	1917	Out of service	MISO
Garland Canal Power Plant	Wyoming	Hydro	Shoshone Irrigation District	3 MW	9	34.5%	1983	Operating	—
Brasfield	Virginia	Hydro	Appomattox River Associates LP	3 MW	10	37.9%	1993	Operating	PJM
Indian Valley Dam Hydro Project	California	Hydro	Yolo County Flood Control WCD	3 MW	6	22.1%	1983	Out of service	CAISO
Warrensburg Hydroelectric	New York	Hydro	Boralex Hydro Operations Inc	3 MW	11	41.9%	1988	Operating	NYISO
San Joaquin 2	California	Hydro	Pacific Gas & Electric Co.	3 MW	—	—	1917	Out of service	CAISO
Hydro Plant No 3	Utah	Hydro	City of Ephraim - (UT)	3 MW	5	18.8%	1984	Operating	—
Lewisville	Texas	Hydro	City of Garland - (TX)	3 MW	—	—	1992	Operating	ERCOT
International Paper Woronoco Mill	Massachusetts	Hydro	Eagle Creek Renewable Energy, LLC	3 MW	5	21.9%	1913	Operating	ISO
Hemlock Falls	Michigan	Hydro	WEC Energy Group	3 MW	6	23.7%	1953	Operating	MISO
Warrior Ridge Hydro	Pennsylvania	Hydro	American Hydro Power Company	3 MW	—	—	1985	Out of service	PJM
Low Line Rapids	Idaho	Hydro	Lower Lowline LLC	3 MW	9	35.1%	1990	Operating	—
Woodward Power Plant	California	Hydro	Turlock Irrigation District	3 MW	—	—	1982	Operating	—
Millville Hydro Station	West Virginia	Hydro	Eagle Creek Renewable Energy, LLC	3 MW	9	35.1%	1913	Operating	PJM
Eagle Point	Oregon	Hydro	Berkshire Hathaway	3 MW	15	59.3%	1957	Operating	—
Abbott TP 3	Texas	Hydro	Guadalupe Blanco River Authority	3 MW	—	—	1927	Out of service	ERCOT
Shavano Falls Hydro	Colorado	Hydro	Shavano Falls Hydro LLC	3 MW	11	45.6%	2015	Operating	—
Little Wood Hydro Project	Idaho	Hydro	Littlewood Irrigation District	3 MW	5	19.3%	1985	Standby	—
Messalonskee 2 (Oakland)	Maine	Hydro	Messalonskee Stream Hydro LLC	3 MW	11	44.0%	1924	Operating	ISO
Evelyn Hydroelectric Project	Kentucky	Hydro	Lock 13 Hydro Partners	3 MW	—	—	—	Planned	PJM
KY No. 11 L&D Hydroelectric Project	Kentucky	Hydro	Lock 11 Hydro Partners, LLC	3 MW	—	—	—	Planned	PJM
Heidelberg Hydroelectric Project	Kentucky	Hydro	Lock 14 Hydro Partners, LLC	3 MW	—	—	—	Under construction	PJM
Wyre Wynd Hydroelectric Project	Connecticut	Hydro	Relevate Power Management LLC	3 MW	—	—	1984	Operating	ISO
Parker	California	Hydro	Merced Irrigation District	3 MW	5	22.9%	1982	Operating	CAISO
Pembroke Hydro	New Hampshire	Hydro	Eagle Creek Renewable Energy, LLC	3 MW	7	31.3%	1985	Operating	ISO
Piercefield	New York	Hydro	Erie Boulevard Hydropower LP	3 MW	14	58.3%	1924	Operating	NYISO
Orono Hydro Station	Maine	Hydro	Brookfield Black Bear Hydro, LLC	3 MW	6	24.3%	2009	Operating	ISO
Warm Springs Hydro Project	California	Hydro	Sonoma County Water Agency - (CA)	3 MW	—	—	1988	Operating	CAISO
Carter Hydro	Colorado	Hydro	Northern Colorado Water Conservancy District	3 MW	10	42.4%	2012	Operating	—
Lower Tule River	California	Hydro	Edison International	3 MW	—	—	1909	Out of service	CAISO
Montgomery Creek Hydro	California	Hydro	Central Rivers Power US, LLC	3 MW	10	44.6%	1987	Operating	CAISO
Tomahawk	Wisconsin	Hydro	WEC Energy Group	3 MW	11	47.1%	1938	Operating	MISO
Allegan Dam	Michigan	Hydro	Consumers Energy Co - (MI)	3 MW	12	54.0%	1935	Operating	MISO
Cabot Holyoke	Massachusetts	Hydro	City of Holyoke Gas and Elec Dept - (MA)	3 MW	4	19.3%	1893	Operating	ISO
Union Falls	New York	Hydro	Union Falls Hydro Power LP	3 MW	12	51.5%	1987	Operating	NYISO
Lanesboro	Minnesota	Distillate Oil	Lanesboro Public Utility Comm	3 MW	0	0.8%	1923	Operating	MISO
Birch Creek Power	Idaho	Hydro	Birch Power Co	3 MW	13	55.2%	1986	Operating	—
Rochester Hydro	Minnesota	Hydro	Rochester Public Utilities	3 MW	10	45.8%	1984	Operating	MISO
Copper Dam Plant	Oregon	Hydro	Farmer's Irrigation District	3 MW	16	71.8%	2015	Operating	—
Washoe	Nevada	Hydro	Truckee Meadows Water Authority	3 MW	14	63.0%	1904	Operating	—
El Dorado Hydro Elk Creek	Idaho	Hydro	Hydroland Omega LLC	3 MW	2	10.9%	1986	Operating	—
Rainbow Falls Auscble	New York	Hydro	New York State Elec & Gas Corp	3 MW	10	45.0%	1926	Out of service	NYISO
Matilda Hamilton Fee Hydroelectric Stati	Kentucky	Hydro	Lock 12 Hydro Partners, LLC	3 MW	8	36.4%	2021	Operating	PJM
Notre Dame Hydro	Indiana	Hydro	University of Notre Dame	3 MW	7	31.0%	2022	Operating	PJM
Valley Falls Hydroelectric Facility	New York	Hydro	Albany Engineering Corporation	3 MW	6	29.1%	1985	Operating	NYISO
Clear Lake Hydro Project	California	Hydro	Yolo County Flood Control WCD	3 MW	—	—	1985	Out of service	CAISO
Emporia	Virginia	Hydro	Emporia Hydro Power LP	3 MW	7	30.8%	1986	Operating	PJM
Quinebaug Lower Project	Connecticut	Hydro	Quinebaug Associates LLC	3 MW	6	29.2%	1990	Operating	ISO
Eel Weir	New York	Hydro	Erie Boulevard Hydropower LP	3 MW	10	44.6%	1928	Operating	NYISO
Sugarloaf Hydro Plant	Colorado	Hydro	Eagle Creek Renewable Energy, LLC	3 MW	1	5.6%	1985	Operating	—
Clear Lake	Idaho	Hydro	IDACORP	3 MW	17	76.2%	1937	Operating	—
Fleish	Nevada	Hydro	Truckee Meadows Water Authority	3 MW	21	96.8%	1914	Operating	—
Upper Beaver	Utah	Hydro	Beaver City Corporation	3 MW	10	45.8%	1907	Operating	—
Drop 2 (WA)	Washington	Hydro	Yakama Power	3 MW	—	—	1942	Out of service	—
Apple River	Wisconsin	Hydro	Northern States Power Co - Minnesota	2 MW	13	61.5%	1901	Operating	MISO
Saluda Dam	South Carolina	Hydro	Northbrook Carolina Hydro LLC	2 MW	7	33.5%	1996	Operating	—
Nolte	Texas	Hydro	Guadalupe Blanco River Authority	2 MW	—	—	1927	Out of service	ERCOT
Clement Dam Hydro LLC	New Hampshire	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	9	42.2%	1984	Operating	ISO
Pelican	Alaska	Hydro	Pelican Utility	2 MW	2	8.2%	1984	Operating	—
Metropolitan Sewerage District	North Carolina	Hydro	Metropolitan Sewerage District	2 MW	3	14.9%	1988	Operating	—
Passaic Valley Water Commission	New Jersey	Hydro	Passaic Valley Water Comm	2 MW	—	—	1935	Out of service	PJM
H 4	Texas	Hydro	Guadalupe Blanco River Authority	2 MW	—	—	1931	Out of service	ERCOT
H 5	Texas	Hydro	Guadalupe Blanco River Authority	2 MW	—	—	1931	Out of service	ERCOT
Lower Middlebury	Vermont	Hydro	small shareholder(s)	2 MW	4	20.2%	1917	Operating	ISO
Lateral 10 Ventures	Idaho	Hydro	Lateral 10 Ventures	2 MW	5	22.6%	1984	Operating	—
East Highline	California	Hydro	Imperial Irrigation District	2 MW	3	13.9%	1984	Operating	—
Knife Falls	Minnesota	Hydro	ALLETE	2 MW	10	46.5%	1922	Operating	MISO
TP 4	Texas	Hydro	Guadalupe Blanco River Authority	2 MW	—	—	1932	Out of service	ERCOT
Rapide Croche	Wisconsin	Hydro	City of Kaukauna (WI)	2 MW	17	80.8%	1926	Operating	MISO
Stillwater B	Maine	Hydro	Brookfield Black Bear Hydro, LLC	2 MW	11	49.9%	2013	Operating	ISO
Chicopee Hydroelectric Station	Massachusetts	Hydro	City of Chicopee - (MA)	2 MW	—	—	1985	Out of service	ISO
Vergennes 9	Vermont	Hydro	small shareholder(s)	2 MW	8	38.1%	1912	Operating	ISO
Walden	New York	Hydro	Hydroland Omega LLC	2 MW	1	4.0%	1986	Operating	NYISO
Drop 5 (CO)	Colorado	Hydro	Drop 5 Hydro LLC	2 MW	9	42.3%	2017	Operating	—
Ball Mountain Hydro	Vermont	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	0	0.3%	2016	Operating	ISO
Verdi	Nevada	Hydro	Truckee Meadows Water Authority	2 MW	19	91.5%	1911	Operating	—
MC6 Hydro Facility	Idaho	Hydro	MC6 Hydro Facility	2 MW	7	36.1%	2021	Operating	—
Kinneytown New Old	Connecticut	Hydro	Hydroland Omega LLC	2 MW	—	—	1986	Operating	ISO
Argyle	Wisconsin	Distillate Oil	City of Argyle - (WI)	2 MW	0	0.1%	1929	Operating	MISO
Newhalem	Washington	Hydro	City of Seattle - (WA)	2 MW	—	—	1970	Out of service	—
Tallassee Hydro Project	Georgia	Hydro	Tallassee Shoals LLC	2 MW	4	21.6%	1986	Operating	—
Potholes East Canal 66.0	Washington	Hydro	Columbia Basin Hydropower	2 MW	5	23.8%	1985	Operating	—
Crystal Springs	Idaho	Hydro	Crystal Springs Hydro Elec LP	2 MW	9	46.6%	1988	Operating	—
Taylor Draw Hydroelectric Facility	Colorado	Hydro	Rio Blanco Water Conserv Dist	2 MW	8	38.6%	1993	Operating	—
Merrill	Wisconsin	Hydro	WEC Energy Group	2 MW	4	21.5%	1917	Operating	MISO
Quail Creek Hydro Plant #1	Utah	Hydro	Washington Cnty Wtr Consv Dist	2 MW	9	45.2%	1985	Operating	—
Kaweah 1	California	Hydro	Edison International	2 MW	—	—	1929	Out of service	CAISO
Silver Lake (VT)	Vermont	Hydro	small shareholder(s)	2 MW	5	23.6%	1917	Operating	ISO
Prickett	Michigan	Hydro	Upper Peninsula Power Company	2 MW	7	34.2%	1931	Operating	MISO
Appleton	Wisconsin	Hydro	WEC Energy Group	2 MW	6	33.2%	1916	Operating	MISO
Eltopia Branch Canal 4.6	Washington	Hydro	Columbia Basin Hydropower	2 MW	8	41.1%	1983	Operating	—
North Gorham	Maine	Hydro	Brookfield White Pine Hydro LLC	2 MW	7	34.2%	1925	Operating	ISO
Middle Falls Hydro	New York	Hydro	Boralex Hydro Operations Inc	2 MW	10	52.2%	1989	Operating	NYISO
Gorham	New Hampshire	Hydro	Central Rivers Power NH, LLC	2 MW	11	57.9%	1917	Operating	ISO
East Barnet	Vermont	Hydro	small shareholder(s)	2 MW	0	0.3%	1984	Operating	ISO
Hydro Plant	Michigan	Hydro	City of Sturgis - (MI)	2 MW	6	29.2%	1911	Operating	PJM
Hamilton Hydro	Ohio	Hydro	City of Hamilton - (OH)	2 MW	8	40.4%	1994	Operating	PJM
Twin Reservoirs	Washington	Hydro	City of Walla Walla - (WA)	2 MW	7	37.8%	1988	Operating	—
Upper Sterling	Illinois	Hydro	City of Rock Falls - (IL)	2 MW	9	46.2%	1988	Out of service	MISO
Pepperell Hydro Power Plant	Massachusetts	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	4	19.6%	1920	Operating	ISO
King Mill	Georgia	Hydro	Augusta Canal Authority	2 MW	—	—	1944	Operating	—
Causey	Utah	Hydro	Weber Basin Water Conserv Dist	2 MW	5	27.2%	1998	Operating	—
Rock Creek I	Idaho	Hydro	Shorock Hydro Inc	2 MW	11	57.4%	1983	Operating	—
Fall Creek	California	Hydro	Berkshire Hathaway	2 MW	6	32.3%	1903	Operating	—
Park Mill	Wisconsin	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	9	50.0%	1920	Operating	MISO
Kimberly Mill	Wisconsin	Hydro	City of Kaukauna (WI)	2 MW	14	74.4%	1926	Operating	MISO
Spalding	Nebraska	Distillate Oil	Village of Spalding - (NE)	2 MW	0	0.0%	1919	Standby	SPP
Mother Ann Lee	Kentucky	Hydro	Lock 7 Hydro Partners LLC	2 MW	6	34.1%	2007	Operating	PJM
Sibley Mill	Georgia	Hydro	Augusta Canal Authority	2 MW	7	40.6%	1946	Operating	—
Site 980 65	California	Hydro	Madera-Chowchilla Power Auth	2 MW	2	12.5%	1985	Operating	CAISO
Alice Falls Hydro Project	New York	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	6	32.4%	1991	Operating	NYISO
Silvis	Alaska	Hydro	Ketchikan Public Utilities	2 MW	3	15.4%	1968	Operating	—
Gouldtown	New York	Hydro	Northbrook Lyons Falls LLC	2 MW	2	10.8%	1953	Operating	NYISO
South Fork	Alaska	Hydro	Alaska Power and Telephone Co	2 MW	5	27.5%	2005	Operating	—
Flint Creek Hydroelectric LLC	Montana	Hydro	Hydrodynamics Inc	2 MW	11	62.8%	2013	Operating	—
Wappinger Falls Hydroelectric	New York	Hydro	Windsor Machinery Co Inc	2 MW	8	43.1%	1988	Operating	NYISO
Four Mile Hydropower Project	Michigan	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	9	51.1%	1990	Operating	MISO
Hillcrest Pump Station	Colorado	Hydro	Denver City & County of - (CO)	2 MW	6	34.8%	1993	Operating	—
Oconto Falls Lower	Wisconsin	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	7	39.6%	1971	Operating	MISO
Michell Butte Power Project	Oregon	Hydro	Owyhee Irrigation District	2 MW	5	29.9%	1989	Operating	—
Roaring Creek Water Power	California	Hydro	Shasta Hydroelectric Inc	2 MW	7	40.3%	1986	Operating	CAISO
Pelzer Upper	South Carolina	Hydro	Central Rivers Power US, LLC	2 MW	5	26.6%	1989	Operating	—
Kalaheo Hydro	Hawaii	Hydro	BBCP Kauai Operating LLC	2 MW	3	15.2%	2016	Operating	—
South Dry Creek Hydro	Montana	Hydro	Hydrodynamics Inc	2 MW	4	21.5%	1985	Operating	—
Gosselin Hydro Plant	California	Hydro	Humboldt Bay Mun Water Dist	2 MW	6	33.6%	1983	Operating	CAISO
Deadwood Creek	California	Hydro	Hydro Sierra Energy, LLC	2 MW	3	17.8%	1993	Operating	CAISO
Cataract (MI)	Michigan	Hydro	Cataract Hydro, LLC	2 MW	5	27.8%	1988	Operating	MISO
Glen	Vermont	Hydro	small shareholder(s)	2 MW	6	34.6%	1920	Operating	ISO
Granite	Utah	Hydro	Berkshire Hathaway	2 MW	5	29.5%	1896	Operating	—
Spillway	South Carolina	Hydro	South Carolina Public Service Authority	2 MW	4	20.8%	1950	Operating	—
Yaleville	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	4	20.9%	1940	Operating	NYISO
Sewalls	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	15	84.4%	1925	Operating	NYISO
Schuylerville	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	6	36.5%	1919	Operating	NYISO
Raymondville	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	13	75.8%	1928	Operating	NYISO
Norwood	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	13	74.4%	1928	Operating	NYISO
Franklin (NY)	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	12	68.5%	1911	Operating	NYISO
Elmer	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	10	55.3%	1916	Operating	NYISO
Belfort	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	10	57.3%	1903	Operating	NYISO
Scotland Dam	Connecticut	Hydro	FirstLight Power Resources Services LLC	2 MW	7	37.6%	1937	Operating	ISO
Franklin (CA)	California	Hydro	Los Angeles Department of Water & Power	2 MW	—	—	1921	Out of service	—
Rock Creek II	Idaho	Hydro	Hydroland Omega LLC	2 MW	6	34.6%	1990	Operating	—
Wanship	Utah	Hydro	Weber Basin Water Conserv Dist	2 MW	9	54.1%	1958	Operating	—
Cornell Hydro	New York	Hydro	Cornell Hydro	2 MW	3	19.3%	1981	Operating	NYISO
Dam No. 4 Hydro Station	West Virginia	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	9	51.3%	1909	Operating	PJM
Great Falls (VT)	Vermont	Hydro	The Town of Lyndon Elec Dept - (VT)	2 MW	3	18.2%	1915	Operating	ISO
Rio Hondo	California	Hydro	Metropolitan Water District of S CA	2 MW	—	—	1984	Operating	CAISO
Stevens Mills Dam	New Hampshire	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	6	35.6%	1985	Operating	ISO
Carver Falls	New York	Hydro	small shareholder(s)	2 MW	6	34.8%	1922	Operating	ISO
Way Dam	Michigan	Hydro	WEC Energy Group	2 MW	5	33.2%	1949	Operating	MISO
Oswegatchie	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	9	53.8%	2002	Operating	NYISO
Menominee Mill Marinette	Michigan	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	12	74.6%	1924	Operating	MISO
Kleber	Michigan	Hydro	Tower Kleber Ltd Partnership	2 MW	5	30.3%	1925	Operating	MISO
Stillwater Reservoir Hydro	New York	Hydro	Watershed Hydropower Corp	2 MW	6	37.0%	1987	Operating	NYISO
Sylvan	Minnesota	Hydro	ALLETE	2 MW	11	66.5%	1913	Operating	MISO
Diana Hydroelectric	New York	Hydro	EONY Generation Limited	2 MW	8	48.8%	1985	Operating	NYISO
Peters Drive Plant	Oregon	Hydro	Farmer's Irrigation District	2 MW	7	46.1%	1987	Operating	—
Kaweah 2	California	Hydro	Edison International	2 MW	1	8.2%	1929	Operating	CAISO
Brigham City	Utah	Hydro	Brigham City Corporation	2 MW	8	49.6%	1921	Operating	—
Dillon Hydro Plant	Colorado	Hydro	Denver City & County of - (CO)	2 MW	12	76.6%	1987	Operating	—
W K Sanders	Vermont	Hydro	Village of Morrisville - (VT)	2 MW	1	3.5%	1983	Operating	ISO
Toadtown	California	Hydro	Pacific Gas & Electric Co.	2 MW	2	14.8%	1986	Operating	CAISO
Holcomb Rock	Virginia	Hydro	Holcomb Rock Company	2 MW	—	—	1920	Out of service	PJM
Morrisville	Vermont	Hydro	Village of Morrisville - (VT)	2 MW	5	31.1%	1924	Operating	ISO
High Shoals Hydro (NC)	North Carolina	Hydro	Central Rivers Power US, LLC	2 MW	4	22.3%	1934	Operating	—
Mission	North Carolina	Hydro	Northbrook Carolina Hydro II, LLC	2 MW	6	40.1%	1924	Operating	—
Bidwell Ditch Project	California	Hydro	Mega Renewables	2 MW	11	67.8%	1987	Operating	CAISO
Meyers Falls	Washington	Hydro	Hydro Technology Systems Inc	2 MW	9	65.6%	1915	Operating	—
Pine View Dam	Utah	Hydro	City of Bountiful - (UT)	2 MW	6	36.9%	1991	Out of service	—
Ottauquechee Hydro	Vermont	Hydro	small shareholder(s)	2 MW	1	6.3%	1983	Operating	ISO
Lahontan	Nevada	Hydro	Truckee-Carson Irrigation District	2 MW	10	60.0%	1911	Operating	—
Stillwater Hydro Station	Maine	Hydro	Brookfield Black Bear Hydro, LLC	2 MW	7	44.0%	1913	Operating	ISO
Messalonskee 5	Maine	Hydro	Messalonskee Stream Hydro LLC	2 MW	3	21.0%	1935	Operating	ISO
Newhalen	Alaska	Distillate Oil	I-N-N Electric Coop, Inc	2 MW	3	21.7%	1998	Operating	—
Victory Mills	New York	Hydro	Central Rivers Power US, LLC	2 MW	3	18.4%	1986	Operating	NYISO
Chateaugay High Falls Hydro	New York	Hydro	Hydroland Omega LLC	2 MW	3	18.5%	1988	Operating	NYISO
China Mill Hydro	New Hampshire	Hydro	New Hampshire Hydro Associates	2 MW	3	18.9%	1981	Operating	ISO
Mora Drop Hydroelectric Project	Idaho	Hydro	Boise Project Board of Control	2 MW	4	28.5%	2006	Operating	—
Swift Creek	Wyoming	Hydro	Lower Valley Energy	2 MW	6	43.2%	2009	Operating	—
Hat Rapids	Wisconsin	Hydro	WEC Energy Group	2 MW	6	43.5%	1923	Operating	MISO
Cavendish	Vermont	Hydro	small shareholder(s)	2 MW	1	5.6%	1907	Operating	ISO
Last Chance	Idaho	Hydro	Berkshire Hathaway	2 MW	4	29.8%	1984	Operating	—
Cowiche	Washington	Hydro	Yakima-Tieton Irrigation Dist	2 MW	3	18.1%	1987	Operating	—
Newport Hydro	New York	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	6	42.3%	1987	Operating	NYISO
Chemical	Massachusetts	Hydro	City of Holyoke Gas and Elec Dept - (MA)	2 MW	5	39.0%	1935	Operating	ISO
Scanlon	Minnesota	Hydro	ALLETE	2 MW	7	49.0%	1923	Operating	MISO
Blackstone/Tupperware	Rhode Island	Hydro	Blackstone Hydro Inc.	2 MW	2	13.7%	1981	Operating	ISO
Halifax (VA)	Virginia	Hydro	Banister Hydro LP	2 MW	1	10.3%	1915	Operating	PJM
Taftville	Connecticut	Hydro	FirstLight Power Resources Services LLC	2 MW	3	20.9%	1906	Operating	ISO
Pilot Butte	Wyoming	Hydro	U S Bureau of Reclamation	2 MW	—	—	1925	Out of service	—
French Landing Dam	Michigan	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	8	60.3%	1988	Operating	MISO
Cottonwood	California	Hydro	Los Angeles Department of Water & Power	2 MW	2	15.2%	1908	Operating	—
Bishop Creek 6	California	Hydro	Edison International	2 MW	10	71.0%	1913	Operating	CAISO
Hooksett	New Hampshire	Hydro	Central Rivers Power NH, LLC	2 MW	5	37.8%	1927	Operating	ISO
Rocky Brook Hydroelectric	Washington	Hydro	Rocky Brook Electric Inc	2 MW	1	3.9%	1985	Standby	—
Cascade Dam (MI)	Michigan	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	3	21.9%	1986	Operating	MISO
Drop 3 (WA)	Washington	Hydro	Yakama Power	2 MW	—	—	1932	Out of service	—
Cadys Falls	Vermont	Hydro	Village of Morrisville - (VT)	2 MW	0	1.0%	1914	Operating	ISO
Luray Hydro Station	Virginia	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	3	18.9%	1927	Operating	PJM
Orchard Avenue 1	Washington	Hydro	Yakima-Tieton Irrigation Dist	2 MW	3	17.8%	1987	Operating	—
Messalonskee 3	Maine	Hydro	Messalonskee Stream Hydro LLC	2 MW	7	46.3%	1918	Operating	ISO
Saxon Falls	Wisconsin	Hydro	Northern States Power Co - Minnesota	2 MW	8	57.4%	1913	Operating	MISO
Phoenix	California	Hydro	Pacific Gas & Electric Co.	2 MW	7	52.4%	1940	Operating	CAISO
Kings Falls Hydroelectric	New York	Hydro	Silverstreet Hydro	2 MW	2	13.9%	1988	Operating	NYISO
Chasm Hydro Partnership	New York	Hydro	Ampersand Chasm Hydro LLC	2 MW	4	31.6%	1982	Operating	NYISO
Pillager	Minnesota	Hydro	ALLETE	2 MW	7	48.3%	1917	Operating	MISO
Galesville Project	Oregon	Hydro	Douglas County - (OR)	2 MW	3	18.4%	1987	Operating	—
Marsh Valley Development	Idaho	Hydro	Marsh Valley Development Inc	2 MW	2	15.7%	1993	Operating	—
Sheep Creek Hydro	Washington	Hydro	Sheep Creek Hydro Inc	2 MW	8	55.3%	1986	Operating	—
Herkimer	New York	Hydro	ECOsponsible LLC	2 MW	—	—	1987	Out of service	NYISO
Mottville	Michigan	Hydro	Commercial Development Company	2 MW	7	49.0%	1923	Operating	PJM
Upper Androscoggin	Maine	Hydro	Lewiston, City of - (ME)	2 MW	—	—	1920	Out of service	ISO
Pawtucket Hydroelectric Project	Rhode Island	Hydro	Relevate Power Management LLC	2 MW	—	—	1989	Operating	ISO
Mill Pond Hydro	New York	Hydro	Rivers Electric, LLC	2 MW	1	7.6%	1994	Operating	NYISO
Smith (VT)	Vermont	Hydro	small shareholder(s)	2 MW	2	12.6%	1982	Operating	ISO
Little Mac Project	Idaho	Hydro	Little Mac Power Company	2 MW	5	37.5%	1984	Operating	—
Haw River Hydro	North Carolina	Hydro	Haw River Hydro Co	2 MW	4	31.4%	1981	Operating	—
Upper Beaver Falls Project	New York	Hydro	Eagle Creek Renewable Energy, LLC	2 MW	6	45.9%	1985	Operating	NYISO
Barker Lower	Maine	Hydro	KEI (Maine) Power Management (III) LLC	2 MW	4	27.7%	1986	Operating	ISO
Baker Creek Hydroelectric	California	Hydro	Baker Station Associates, LP	2 MW	4	27.7%	2014	Operating	CAISO
Glenwood Hydro	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	6	46.1%	1950	Operating	NYISO
Tannery Island Power	New York	Hydro	Relevate Power Management LLC	2 MW	5	41.0%	1986	Operating	NYISO
Cheboygan	Michigan	Hydro	Great Lakes Tissue Co	2 MW	6	43.4%	1984	Operating	MISO
Kearney	Nebraska	Hydro	Nebraska Public Power District	2 MW	0	3.1%	1921	Operating	SPP
Mascoma Hydro	New Hampshire	Hydro	Green Mountain Power Corp	2 MW	2	11.5%	1988	Operating	ISO
Nooksack Hydro	Washington	Hydro	Puget Sound Hydro LLC	2 MW	20	100.0%	1906	Operating	—
Upper Newton Falls	New York	Hydro	Erie Boulevard Hydropower LP	2 MW	6	48.1%	1927	Operating	NYISO
Squa Pan Hydro Station	Maine	Hydro	Algonquin Northern Maine	2 MW	0	2.9%	1941	Standby	—
Texon Hydroelectric Project	Massachusetts	Hydro	Hitchcock Hydro, LLC	2 MW	4	32.8%	1982	Operating	ISO
Waterloo Hydroelectric Project	New York	Hydro	C-S Canal Hydro, LLC	2 MW	3	24.0%	1915	Operating	NYISO
Lake Creek Dam	Utah	Hydro	Heber Light & Power Company	2 MW	3	24.3%	1981	Operating	—
Flambeau Crowley Rapids Project	Wisconsin	Hydro	Zero6 Energy Hydro	2 MW	3	25.0%	1930	Operating	MISO
Combie South	California	Hydro	Nevada Irrigation District	2 MW	4	28.3%	1984	Operating	CAISO
Coleman Falls	Virginia	Hydro	Holcomb Rock Company	2 MW	—	—	1983	Out of service	PJM
Strawberry Creek	Wyoming	Hydro	Lower Valley Energy	2 MW	9	70.2%	1940	Operating	—
Thornapple	Wisconsin	Hydro	Northern States Power Co - Minnesota	1 MW	8	62.0%	1927	Operating	MISO
Arpin Dam	Wisconsin	Hydro	Zero6 Energy Hydro	1 MW	6	45.9%	1971	Operating	MISO
Newfound Hydroelectric	New Hampshire	Hydro	Eagle Creek Renewable Energy, LLC	1 MW	4	33.2%	1983	Operating	ISO
Rollinsford	New Hampshire	Hydro	small shareholder(s)	1 MW	2	18.7%	1986	Operating	ISO
Ada Dam	Michigan	Hydro	Eagle Creek Renewable Energy, LLC	1 MW	2	14.7%	1984	Operating	MISO
Angels	California	Hydro	Utica Water & Power Authority	1 MW	6	50.8%	1940	Operating	CAISO
Queens Creek	North Carolina	Hydro	Duke Energy	1 MW	3	24.4%	1949	Operating	—
Lilliwaup Falls Generating	Washington	Hydro	William G. Reed Jr	1 MW	5	44.0%	1986	Operating	—
Mechanic Falls	Maine	Hydro	KEI (Maine) Power Management (IV) LLC	1 MW	2	15.4%	1986	Operating	ISO
High Shoals Hydro (GA)	Georgia	Hydro	High Shoals Hydro	1 MW	—	—	1988	Operating	—
Tulare Success Power Project	California	Hydro	Lower Tule River Irrgtn Dist	1 MW	2	13.3%	1989	Standby	CAISO
Hydro III	Utah	Hydro	City of Logan - (UT)	1 MW	—	—	1925	Operating	—
Bear Valley	California	Hydro	City of Escondido - (CA)	1 MW	4	33.8%	1986	Operating	CAISO
West Charleston	Vermont	Hydro	Barton Village, Inc	1 MW	7	56.1%	1931	Operating	ISO
Tenth Street	Connecticut	Hydro	City of Norwich - (CT)	1 MW	2	17.1%	1967	Operating	ISO
Oak Flat	California	Hydro	PG&E	1 MW	—	—	1985	Out of service	CAISO
South Consolidated	Arizona	Hydro	Salt River Project	1 MW	—	—	1981	Operating	—
Milton Hydro	New Hampshire	Hydro	SFR Hydro Cor	1 MW	6	45.4%	1914	Operating	ISO
Superior Falls	Michigan	Hydro	Northern States Power Co - Minnesota	1 MW	7	60.2%	1917	Operating	MISO
Hailesboro 4 Plant	New York	Hydro	Central Rivers Power US, LLC	1 MW	9	74.7%	1922	Operating	NYISO
Newport Hydro Station	Virginia	Hydro	Eagle Creek Renewable Energy, LLC	1 MW	3	25.6%	1923	Operating	PJM
Boyds Mill Hydro	South Carolina	Hydro	Northbrook Carolina Hydro LLC	1 MW	4	30.4%	1996	Operating	—
Goodyear Lake Plant	New York	Hydro	Hydroland Omega LLC	1 MW	2	18.9%	1980	Operating	NYISO
R E Badger Filtration Plant	California	Hydro	Santa Fe Irrigation District	1 MW	—	—	1987	Out of service	CAISO
Redlands Water & Power	Colorado	Hydro	Redlands Water & Power Company	1 MW	7	59.6%	1931	Operating	—
Mile 28 Water Power Project	Idaho	Hydro	Wood Hydro, LLC	1 MW	5	43.1%	1994	Operating	—
Indian River Hydro	Massachusetts	Hydro	Eagle Creek Renewable Energy, LLC	1 MW	1	10.3%	1909	Operating	ISO
Gustavus	Alaska	Distillate Oil	Alaska Power and Telephone Co	1 MW	0	2.0%	2008	Operating	—
Blind Canyon Hydro	Idaho	Hydro	Blind Canyon Aquaranch, Inc.	1 MW	4	38.8%	1992	Operating	—
Unit 4	Utah	Hydro	City of Mt Pleasant - (UT)	1 MW	2	17.4%	1993	Operating	—
Fulton Hydro	New York	Hydro	Erie Boulevard Hydropower LP	1 MW	6	49.1%	1924	Operating	NYISO
Chester Lake	Alaska	Hydro	Metlakatla Power & Light	1 MW	5	44.5%	1988	Operating	—
Paia Hydroelectric Plant	Hawaii	Hydro	Mahi Pono LLC	1 MW	—	—	1912	Out of service	—
North Gooding Main Hydro	Idaho	Hydro	North Gooding Main Hydro LLC	1 MW	5	39.8%	2016	Operating	—
Santa Felicia Dam	California	Hydro	United Water Conservation District	1 MW	—	—	1987	Operating	CAISO
Koyle Ranch Hydroelectric Project	Idaho	Hydro	Koyle Hydro Inc	1 MW	4	33.0%	1983	Operating	—
French Paper Hydro	Michigan	Hydro	French Paper Co	1 MW	3	23.3%	1921	Operating	PJM
Martinsville	Virginia	Hydro	City of Martinsville - (VA)	1 MW	—	—	1932	Operating	PJM
Theresa Plant	New York	Hydro	Energen Renewables, LLC	1 MW	4	38.5%	1927	Operating	NYISO
Whitewater Hydro Plant	California	Hydro	Desert Water Agency	1 MW	5	40.9%	1986	Standby	CAISO
Salisbury	Vermont	Hydro	small shareholder(s)	1 MW	2	18.1%	1917	Operating	ISO
Somersworth Lower Great Dam	New Hampshire	Hydro	small shareholder(s)	1 MW	1	11.7%	1985	Operating	ISO
Potato Rapids	Wisconsin	Hydro	WEC Energy Group	1 MW	4	36.9%	1921	Operating	MISO
Lee Creek Water Treatment Facility	Arkansas	Hydro	City of Fort Smith - (AR)	1 MW	—	—	1992	Out of service	MISO
Three Forks Water Power Project	California	Hydro	Grizzly Mountain Ranch	1 MW	3	23.4%	1984	Operating	CAISO
Granite Falls	Minnesota	Hydro	City of Granite Falls - (MN)	1 MW	3	25.5%	1932	Operating	MISO
Head of U Canal Hydro Project	Idaho	Hydro	North Side Energy Company	1 MW	5	43.0%	2015	Operating	—
Dwight	Massachusetts	Hydro	Central Rivers Power MA, LLC	1 MW	6	56.8%	1920	Operating	ISO
Normanskill Hydro Project	New York	Hydro	Watervliet, City of - (NY)	1 MW	2	21.5%	1983	Operating	NYISO
Kankakee Hydro Facility	Illinois	Hydro	City of Kankakee - (IL)	1 MW	—	—	1991	Out of service	PJM
Beaver Valley Patterson Dam	Pennsylvania	Hydro	Central Rivers Power US, LLC	1 MW	4	40.1%	1982	Operating	PJM
Diamond Island Plant	New York	Hydro	Energen Renewables, LLC	1 MW	3	24.6%	1914	Operating	NYISO
Thundermist Hydro	Rhode Island	Hydro	City of Woonsocket - (RI)	1 MW	0	0.8%	1981	Operating	ISO
Collins Facility	Massachusetts	Hydro	Relevate Power Management LLC	1 MW	7	65.0%	1985	Operating	ISO
Avalon Hydropower	North Carolina	Hydro	Avalon Hydropower LLC	1 MW	3	31.1%	1997	Operating	—
Trego	Wisconsin	Hydro	Northern States Power Co - Minnesota	1 MW	7	62.0%	1927	Operating	MISO
Georgetown Hydro	Colorado	Hydro	Public Service Co of Colorado	1 MW	—	—	1906	Operating	—
Uintah	Utah	Hydro	Moon Lake Electric Assn Inc	1 MW	7	63.6%	1920	Operating	—
Ivy River Hydro	North Carolina	Hydro	Madison Hydro Partners	1 MW	—	—	1985	Out of service	—
Ford Hydro LP	Idaho	Hydro	Ford Hydro Ltd Partnership	1 MW	4	35.3%	1988	Operating	—
Hillsborough Hosiery	New Hampshire	Hydro	Silverstreet Hydro	1 MW	2	19.5%	1989	Operating	ISO
Snake Creek	Utah	Hydro	Heber Light & Power Company	1 MW	6	52.7%	1910	Operating	—
Graniteville Enterprise Division	Georgia	Hydro	Augusta Canal Authority	1 MW	3	26.3%	1921	Operating	—
Granby Hydro	Colorado	Hydro	Northern Water Hydropower Enterprise	1 MW	5	50.2%	2016	Operating	—
Marco Ranch	Idaho	Hydro	Marco Power Inc	1 MW	2	23.5%	1985	Operating	—
Sprague Hydro	Oregon	Hydro	Sprague Hydro LLC	1 MW	1	10.1%	1989	Operating	—
Lochmere Hydroelectric Plant	New Hampshire	Hydro	Eagle Creek Renewable Energy, LLC	1 MW	3	32.8%	1984	Operating	ISO
Clifton Dam 3 Power Station	South Carolina	Hydro	Converse Energy Inc	1 MW	4	34.7%	1985	Operating	—
East Portal Generator	California	Hydro	Calleguas Mun Water District	1 MW	4	37.2%	1987	Operating	CAISO
Iowa Hydro LLC	Iowa	Hydro	Zero6 Energy Hydro	1 MW	6	58.1%	1924	Operating	MISO
Nelson Creek	California	Hydro	Nelson Creek Power Inc	1 MW	3	29.2%	1989	Operating	CAISO
Timothy Lake Powerhouse	Oregon	Hydro	Portland General Electric	1 MW	2	19.6%	2018	Operating	—
Flambeau Lower Project	Wisconsin	Hydro	Zero6 Energy Hydro	1 MW	3	24.6%	1923	Operating	MISO
Clam River Dam	Wisconsin	Hydro	Zero6 Energy Hydro	1 MW	5	48.6%	1942	Operating	MISO
Ninth Street Hydropower Project	Michigan	Hydro	Eagle Creek Renewable Energy, LLC	1 MW	7	63.5%	1990	Operating	MISO
Salmon Falls	Maine	Hydro	small shareholder(s)	1 MW	3	24.3%	1986	Operating	ISO
Lower Village Water Power Project	New Hampshire	Hydro	Sugar River Power LLC	1 MW	4	36.7%	1995	Operating	ISO
Constantine	Michigan	Hydro	Commercial Development Company	1 MW	4	33.4%	1923	Operating	PJM
Manti Lower	Utah	Hydro	City of Manti - (UT)	1 MW	1	7.7%	1989	Operating	—
Humpback Creek	Alaska	Hydro	Cordova Electric Coop, Inc	1 MW	2	19.1%	1991	Operating	—
McPhee	Colorado	Hydro	U S Bureau of Reclamation	1 MW	2	18.9%	1992	Operating	—
AJMS, LLC	Idaho	Hydro	AJMS, LLC	1 MW	4	36.3%	2015	Operating	—
Glendale Hydroelectric Project	Massachusetts	Hydro	Relevate Power Management LLC	1 MW	—	—	1995	Operating	ISO
Center Falls	New York	Hydro	Hollingworth & Vose Co Center Falls	1 MW	3	30.7%	1984	Operating	NYISO
Oconto Falls Upper	Wisconsin	Hydro	Eagle Creek Renewable Energy, LLC	1 MW	6	67.2%	1918	Operating	MISO
Rockton	Illinois	Hydro	Eagle Creek Renewable Energy, LLC	1 MW	6	58.7%	1929	Operating	MISO
Bend	Oregon	Hydro	Berkshire Hathaway	1 MW	1	11.5%	1913	Operating	—
Boltonville Hydro Associates	Vermont	Hydro	Boltonville Hydro Associates	1 MW	3	34.0%	1984	Operating	ISO
Fargo Drop	Idaho	Hydro	Boise Project Board of Control	1 MW	4	39.7%	2013	Operating	—
Ponderosa Bailey Creek	California	Hydro	Snow Mountain Hydro LLC	1 MW	3	30.6%	1990	Operating	CAISO
Wallowa Falls	Oregon	Hydro	Berkshire Hathaway	1 MW	2	25.4%	1921	Operating	—
Talcville	New York	Hydro	Erie Boulevard Hydropower LP	1 MW	1	6.2%	1986	Operating	NYISO
Pittsfield Hydro	Maine	Hydro	KEI (Maine) Power Management (II) LLC	1 MW	3	35.7%	1986	Operating	ISO
Canaan	Vermont	Hydro	Central Rivers Power NH, LLC	1 MW	6	66.8%	1927	Operating	ISO
C-Drop Hydro	Oregon	Hydro	C-Drop	1 MW	1	5.5%	2012	Operating	—
Lost Creek I	California	Hydro	Snow Mountain Hydro LLC	1 MW	5	52.6%	1989	Operating	CAISO
Upper Pacolet Hydro	South Carolina	Hydro	Lockhart Power Co	1 MW	4	41.3%	2013	Operating	—
Domtar Paper Company Rothschild	Wisconsin	Hydro	Domtar Paper Company Rothschild	1 MW	1	13.0%	1910	Operating	MISO
Hoot Lake	Minnesota	Hydro	Otter Tail	1 MW	3	37.5%	1914	Operating	MISO
Prairie River	Minnesota	Hydro	ALLETE	1 MW	2	20.4%	1920	Operating	MISO
Manti Upper	Utah	Hydro	City of Manti - (UT)	1 MW	0	2.9%	1988	Operating	—
Kosterville	New York	Hydro	Northbrook Lyons Falls LLC	1 MW	2	26.2%	1955	Operating	NYISO
Bartholomew	Utah	Hydro	City of Springville - (UT)	1 MW	0	3.5%	1988	Operating	—
Dam No. 5 Hydro Station	West Virginia	Hydro	Eagle Creek Renewable Energy, LLC	1 MW	4	46.2%	1919	Operating	PJM
Stiles	Wisconsin	Hydro	Oconto Electric Cooperative	1 MW	6	63.6%	1949	Operating	MISO
Hollow Dam Power Partnership	New York	Hydro	Ampersand Hollow Dam Hydro LLC	1 MW	2	18.2%	1987	Operating	NYISO
Waterman Turnout Hydroelectric	California	Hydro	San Bernardino Valley Mun. Water Dist.	1 MW	—	—	2024	Operating	CAISO
Danbury Dam	Wisconsin	Hydro	Zero6 Energy Hydro	1 MW	3	29.8%	1921	Operating	MISO
GeoBon II	Idaho	Hydro	Koosh, Inc.	1 MW	4	40.2%	1986	Operating	—
Strontia Springs Hydro Plant	Colorado	Hydro	Denver City & County of - (CO)	1 MW	5	52.0%	1986	Operating	—
EHC West Hopkinton	New Hampshire	Hydro	small shareholder(s)	1 MW	2	20.1%	1985	Operating	ISO
Lacomb Irrigation District	Oregon	Hydro	Lacomb Irrigation Dist	1 MW	4	46.0%	1986	Operating	—
Volta 2	California	Hydro	Pacific Gas & Electric Co.	1 MW	3	35.7%	1981	Operating	CAISO
Dunn Paper	New York	Hydro	BiOrigin Specialty Products	1 MW	7	76.1%	1959	Operating	NYISO
Heuvelton	New York	Hydro	Erie Boulevard Hydropower LP	1 MW	5	57.1%	1924	Operating	NYISO
Macomb	New York	Hydro	Erie Boulevard Hydropower LP	1 MW	8	85.7%	1940	Operating	NYISO
Crystal Falls	Michigan	Hydro	City of Crystal Falls - (MI)	1 MW	5	55.5%	1914	Operating	MISO
Franklin (NC)	North Carolina	Hydro	Northbrook Carolina Hydro II, LLC	1 MW	5	51.8%	1925	Operating	—
Pumpkin Hill	Maine	Hydro	KEI (Maine) Power Management (II) LLC	1 MW	3	36.7%	1987	Operating	ISO
Port Leyden Hydroelectric Project	New York	Hydro	Lyonsdale Hydroelectric Co., Inc.	1 MW	5	53.9%	1985	Operating	NYISO
Piedmont Hydro Power Project	South Carolina	Hydro	Central Rivers Power US, LLC	1 MW	4	51.2%	1989	Operating	—
Gardiner	Maine	Hydro	KEI (Maine) Power Management (III) LLC	1 MW	4	48.0%	1985	Operating	ISO
Prospect 4	Oregon	Hydro	Berkshire Hathaway	1 MW	0	5.5%	1944	Operating	—
Alta Powerhouse	California	Hydro	Pacific Gas & Electric Co.	1 MW	1	16.3%	1902	Operating	CAISO
Springville Hydroelectric	California	Hydro	Calleguas Mun Water District	1 MW	0	1.1%	1994	Operating	CAISO
Radford	Virginia	Hydro	American Electric Power Company	1 MW	5	52.6%	1934	Operating	PJM
Scott Flat	California	Hydro	Nevada Irrigation District	1 MW	4	50.1%	1985	Operating	CAISO
Waiau Hydro	Hawaii	Hydro	Hawaiian Electric Industries	1 MW	—	—	1921	Operating	—
Hickman	California	Hydro	Turlock Irrigation District Employees Association	1 MW	4	41.3%	1979	Operating	—
Lower Beaver Falls Project	New York	Hydro	Eagle Creek Renewable Energy, LLC	1 MW	4	45.9%	1979	Operating	NYISO
Stairs	Utah	Hydro	Berkshire Hathaway	1 MW	3	36.8%	1912	Operating	—
Ruxton Park	Colorado	Hydro	City of Colorado Springs - (CO)	1 MW	1	12.8%	1925	Operating	—
Wrightsville Hydro Plant	Vermont	Hydro	Washington Electric Coop - (VT)	1 MW	2	17.5%	1985	Operating	ISO
San Dimas Wash Generating Station	California	Hydro	San Gabriel Valley Mun Wtr Dt	1 MW	2	26.7%	1986	Standby	CAISO
Upper Barker	Maine	Hydro	KEI (Maine) Power Management (III) LLC	1 MW	5	51.3%	1987	Operating	ISO
Skookumchuck	Washington	Hydro	TransAlta Centralia Gen LLC	1 MW	2	24.5%	1990	Operating	—
West Danville 15	Vermont	Hydro	small shareholder(s)	1 MW	3	29.9%	1917	Operating	ISO
White River (WI)	Wisconsin	Hydro	Northern States Power Co - Minnesota	1 MW	4	44.4%	1907	Operating	MISO
Alverno Hydro Plant	Michigan	Hydro	Energen Renewables, LLC	1 MW	—	—	1960	Operating	MISO
Salida	Colorado	Hydro	Public Service Co of Colorado	1 MW	1	19.3%	1908	Operating	—
Barron	Wisconsin	Hydro	City of Barron - (WI)	0 MW	0	38.9%	1923	Operating	MISO

Capacity by State: California leads with 15.3 GW (14% of total). Top 12 of 49 states shown, sorted by installed capacity. Total across all states: 108.1 GW.

Analytical: Hydroelectric Plants

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