How many hydro power plants are in Oklahoma?

Oklahoma has 11 operating utility-scale hydro power plants with 1.1 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest hydro power plant in Oklahoma?

Salina in Mayes County, Oklahoma is the largest, at 259 MW. It came online in 1971.

How many hydro power plants were built in Oklahoma in 2025?

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

Who is developing hydro power plants in Oklahoma?

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 Oklahoma

Oklahoma has 11 operating hydro power plants with 1.1 GW of capacity.

Operating11

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

Oklahoma had 11 hydro power plants online in 2016 and 11 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 Oklahoma

Operating, by capacity

#	Hydro power plant	County	Year online	Capacity
1	Salina	Mayes County	1971	259 MW
2	Pensacola	Mayes County	1946	130 MW
3	Markham	Mayes County	1964	128 MW
4	Robert S Kerr	Sequoyah County	1971	110 MW
5	Broken Bow Dam	McCurtain County	1970	100 MW
6	Eufaula Dam	Haskell County	1964	90 MW
7	Webbers Falls	Muskogee County	1973	75 MW
8	Keystone Dam	Tulsa County	1968	70 MW
9	Fort Gibson	Cherokee County	1953	45 MW
10	Tenkiller Ferry	Sequoyah County	1953	39 MW

Hydro power plants that came online most recently in Oklahoma

Newest first

#	Hydro power plant	County	Year online	Capacity
1	Kaw Hydro	Kay County	1989	37 MW
2	Webbers Falls	Muskogee County	1973	75 MW
3	Robert S Kerr	Sequoyah County	1971	110 MW
4	Salina	Mayes County	1971	259 MW
5	Broken Bow Dam	McCurtain County	1970	100 MW
6	Keystone Dam	Tulsa County	1968	70 MW
7	Eufaula Dam	Haskell County	1964	90 MW
8	Markham	Mayes County	1964	128 MW
9	Tenkiller Ferry	Sequoyah County	1953	39 MW
10	Fort Gibson	Cherokee County	1953	45 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 Oklahoma

How many hydro power plants are in Oklahoma?: Oklahoma has 11 operating utility-scale hydro power plants with 1.1 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest hydro power plant in Oklahoma?: Salina in Mayes County, Oklahoma is the largest, at 259 MW. It came online in 1971.
How many hydro power plants were built in Oklahoma in 2025?: 0 hydro power plants came online in Oklahoma in 2025, with 0 MW of capacity.
Who is developing hydro power plants in Oklahoma?: 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.