small shareholder(s) — Power Plant Portfolio

100 plants · 4.7 GW total capacity · across 15 states

small shareholder(s) operates 100 power plants across 15 states with 4.7 GW total capacity. Their fleet is primarily hydroelectric (36 plants).

Largest is Fremont Energy Center (740 MW Natural Gas); oldest active is Proctor (1905); newest is Badger Wind, LLC (2026); top state is Vermont (31 plants).

Explore fleet on map →

Key Stats

Largest fuel
Hydroelectric (36 plants)
Largest state
Vermont (31 plants)
Subsidiary operators
American Mun Power-Ohio, Inc (40)Green Mountain Power Corp (36)Montana-Dakota Utilities Co (8)Massachusetts Mun Wholes Electric Co (5)Otter Tail Power Co (2)Black Hills Power, Inc. (2)City of Hamilton - (OH) (2)Brush Power LLC (1)Badger Wind , LLC (1)RWE Clean Energy (1)

Plants by State

Vermont (31 plants · 250 MW)

Ohio (28 plants · 1.2 GW)

Pennsylvania (9 plants · 48 MW)

North Dakota (6 plants · 1.1 GW)

Massachusetts (5 plants · 616 MW)

Montana (4 plants · 156 MW)

Kentucky (3 plants · 269 MW)

New Hampshire (3 plants · 4 MW)

Wyoming (2 plants · 156 MW)

Texas (2 plants · 167 MW)

New York (2 plants · 57 MW)

West Virginia (2 plants · 86 MW)

South Dakota (1 plants · 451 MW)

Colorado (1 plants · 273 MW)

Maine (1 plants · 1 MW)

Plants by Fuel Type

Hydroelectric (36 plants · 524 MW)

Oil & Petroleum (33 plants · 796 MW)

Natural Gas (13 plants · 1.6 GW)

Wind (9 plants · 750 MW)

Coal (3 plants · 1 GW)

Battery Storage (3 plants · 10 MW)

Solar (2 plants · 7 MW)

other (1 plants · 5 MW)