Power Plants in Montana

77 plants · 8.8 GW total capacity

Montana has 77 power plants with 8.8 GW total capacity. The generation mix includes 25 wind, 23 hydro, 9 solar plants.

Largest is Colstrip (1647 MW Sub. Coal); oldest active is Big Fork (1910); newest is University of Montana CHP (2025); top owner is NorthWestern Energy Group (7 plants).

58 interconnection queue projects in Montana totaling 14.8 GW of proposed capacity.

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By Fuel Type

Solar

9 plants · 181 MW

Gas

8 plants · 705 MW

other

6 plants · 136 MW

Coal

4 plants · 1.8 GW

Battery

2 plants · 450 MW

All Plants (sorted by capacity)

Colstrip — 1647 MW Sub. Coal
Haymaker Hybrid — 630 MW Wind
Libby — 525 MW Hydro
Noxon Rapids — 488 MW Hydro
Hungry Horse — 428 MW Hydro
Anthelope Hills Solar Generation BESS — 400 MW BESS
Clearwater Wind I — 366 MW Wind
Yellowtail — 278 MW Hydro
Beaver Creek Wind Facility — 248 MW Wind
Pryor Mountain Wind — 240 MW Wind
Selis Ksanka Qlispe — 228 MW Hydro
Clearwater Wind East — 208 MW Wind
Yellowstone County Generating Station — 207 MW Natural Gas
Dave Gates Generating Station — 203 MW Natural Gas
NaturEner Rim Rock Energy — 189 MW Wind
Fort Peck — 180 MW Hydro
Judith Gap Wind Energy Center — 135 MW Wind
Hardin Generator Project — 116 MW Sub. Coal
Culbertson Generation Station — 108 MW Natural Gas
NaturEner Glacier Wind Energy 1 — 107 MW Wind
NaturEner Glacier Wind Energy 2 — 104 MW Wind
Clearwater Wind II — 103 MW Wind
Clearwater Wind III — 100 MW Wind
Thompson Falls — 98 MW Hydro
Glendive GT — 84 MW Natural Gas
Apex Solar — 80 MW Solar
MTSUN — 80 MW Solar
South Peak Wind — 80 MW Wind
Jawbone Wind Project — 80 MW Wind
Stillwater Wind, LLC — 80 MW Wind
Yellowstone Energy LP — 68 MW Pet. Coke
Morony — 63 MW Hydro
Cochrane — 59 MW Hydro
Rainbow (MT) — 59 MW Hydro
Canyon Ferry — 58 MW Hydro
Ryan — 55 MW Hydro
Basin Creek Plant — 55 MW Natural Gas
Holter — 55 MW Hydro
Beartooth Energy Storage LLC — 50 MW BESS
Colstrip Energy LP — 46 MW Waste Coal
Spion Kop Wind Farm — 40 MW Wind
OREG 2 Inc — 30 MW Waste Heat
OREG 1 Inc — 30 MW Waste Heat
Diamond Willow Wind Facility — 30 MW Wind
Black Eagle — 27 MW Hydro
Greenfield Wind - MT — 25 MW Wind
Big Timber Wind Farm — 25 MW Wind
Hauser — 24 MW Hydro
Miles City GT — 23 MW Natural Gas
Lewis & Clark — 19 MW Natural Gas
Gordon Butte Wind LLC — 18 MW Wind
Madison Dam — 16 MW Hydro
Turnbull Hydro — 13 MW Hydro
Mystic — 12 MW Hydro
Musselshell Wind Project Two LLC — 10 MW Wind
Fairfield Wind — 10 MW Wind
Musselshell Wind Project — 10 MW Wind
Broadwater Power Project — 10 MW Hydro
Horseshoe Bend Wind Park — 10 MW Wind
Two Dot Wind Farm — 10 MW Wind
Tiber Dam Hydroelectric Plant — 8 MW Hydro
University of Montana CHP — 6 MW Natural Gas
Big Fork — 4 MW Hydro
GCC Trident Solar Project — 4 MW Solar
Flathead Landfill to Gas Energy Facility — 3 MW Landfill Gas
Magpie Solar, LLC — 3 MW Solar
Black Eagle Solar, LLC — 3 MW Solar
Great Divide Solar, LLC — 3 MW Solar
Green Meadow Solar, LLC — 3 MW Solar
South Mills Solar, LLC — 3 MW Solar
Stoltze CoGen1 — 3 MW Wood Waste
South Dry Creek Hydro — 2 MW Hydro
River Bend Solar, LLC (MT) — 2 MW Solar
Flint Creek Hydroelectric LLC — 2 MW Hydro
Two Dot Wind Broadview East LLC — 2 MW Wind
Phillips 66 Billings Refinery — 2 MW Other Gas
Western Sugar Cooperative - Billings — 2 MW Sub. Coal

Queue Projects in Montana (58 projects)

NWMT-435 — 800 MW Solar+Battery
NWMT-357 — 750 MW Wind
PacifiCorp-C012 — 750 MW Wind
NWMT-418 — 750 MW Wind
NWMT-356 — 750 MW Wind
BPA-G0566 — 646 MW Hydro
Avista-82 — 600 MW Wind
NWMT-361 — 600 MW Wind
PacifiCorp-C006 — 600 MW Wind
NWMT-366 — 600 MW Wind
NWMT-390 — 500 MW Solar+Battery
NWMT-310 — 450 MW Battery
PacifiCorp-C002 — 450 MW Battery
NWMT-367 — 400 MW Wind
NWMT-408 — 326 MW Wind
PacifiCorp-C013 — 326 MW Wind
NWMT-300 — 315 MW Wind+Battery
NWMT-362 — 300 MW Wind
PSE-71 — 300 MW Wind
PacifiCorp-C007 — 300 MW Wind
Avista-83 — 300 MW Wind
NWMT-419 — 300 MW Solar
NWMT-405 — 300 MW Solar
NWMT-406 — 300 MW Wind
NWMT-407 — 300 MW Wind
NWMT-311 — 300 MW Solar+Battery
NWMT-438 — 250 MW Wind
NWMT-421 — 200 MW Solar+Battery
NWMT-360 — 200 MW Wind
NWMT-378 — 175 MW Gas
NWMT-416 — 160 MW Solar+Battery
NWMT-464 — 150 MW Gas
NWMT-465 — 150 MW Gas
NWMT-347 — 140 MW Wind+Battery
NWMT-455 — 100 MW Battery
WAPA-IS-GI-1506 — 100 MW Wind
NWMT-358 — 80 MW Solar+Battery
NWMT-335 — 80 MW Wind+Battery
NWMT-309 — 80 MW Solar+Battery
NWMT-412 — 80 MW Solar+Battery
NWMT-437 — 70 MW Hydro
NWMT-401 — 70 MW Wind
NWMT-434 — 65 MW Solar+Battery
NWMT-433 — 65 MW Solar+Battery
NWMT-376 — 59 MW Battery
NWMT-417 — 50 MW Solar+Battery
NWMT-431 — 50 MW Solar+Battery
NWMT-432 — 50 MW Solar+Battery
NWMT-377 — 36 MW Gas
NWMT-340 — 20 MW Solar+Battery

Showing top 50 of 58 projects by capacity.