How many hydro power plants are in West Virginia?

West Virginia has 12 operating utility-scale hydro power plants with 0.4 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest hydro power plant in West Virginia?

Hawks Nest Hydro in Fayette County, West Virginia is the largest, at 102 MW. It came online in 1936.

How many hydro power plants were built in West Virginia in 2025?

0 hydro power plants came online in West Virginia in 2025, with 0 MW of capacity.

Who is developing hydro power plants in West Virginia?

Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

Hydro power plants in West Virginia

West Virginia has 12 operating hydro power plants with 0.4 GW of capacity.

Operating12

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

West Virginia had 12 hydro power plants online in 2016 and 12 in 2026

2016’162017’172018’182019’192020’202021’212022’222023’232024’242025’252026’26

Hydro power plants online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest hydro power plants in West Virginia

Operating, by capacity

#	Hydro power plant	County	Year online	Capacity
1	Hawks Nest Hydro	Fayette County	1936	102 MW
2	Gauley River Power Partners	Nicholas County	2001	80 MW
3	Willow Island Hydroelectric Plant	Pleasants County	2016	44 MW
4	Belleville Dam	Wood County	1999	42 MW
5	New Martinsville Hannibal Hydro	Wetzel County	1988	37 MW
6	Winfield	Putnam County	1938	25 MW
7	London	Kanawha County	1935	14 MW
8	Marmet	Kanawha County	1935	14 MW
9	Glen Ferris Hydro	Fayette County	1917	6 MW
10	Millville Hydro Station	Jefferson County	1939	3 MW

Hydro power plants that came online most recently in West Virginia

Newest first

#	Hydro power plant	County	Year online	Capacity
1	Willow Island Hydroelectric Plant	Pleasants County	2016	44 MW
2	Gauley River Power Partners	Nicholas County	2001	80 MW
3	Belleville Dam	Wood County	1999	42 MW
4	Dam No. 4 Hydro Station	Jefferson County	1991	2 MW
5	New Martinsville Hannibal Hydro	Wetzel County	1988	37 MW
6	Millville Hydro Station	Jefferson County	1939	3 MW
7	Winfield	Putnam County	1938	25 MW
8	Hawks Nest Hydro	Fayette County	1936	102 MW
9	London	Kanawha County	1935	14 MW
10	Marmet	Kanawha County	1935	14 MW

The developer behind each project is on paid plans. See plans

How Cleanview tracks hydro power plants

Operating hydro power plants come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about hydro power plants in West Virginia

How many hydro power plants are in West Virginia?: West Virginia has 12 operating utility-scale hydro power plants with 0.4 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest hydro power plant in West Virginia?: Hawks Nest Hydro in Fayette County, West Virginia is the largest, at 102 MW. It came online in 1936.
How many hydro power plants were built in West Virginia in 2025?: 0 hydro power plants came online in West Virginia in 2025, with 0 MW of capacity.
Who is developing hydro power plants in West Virginia?: Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.