How many pumped storage hydro plants are in Oklahoma?

1, with 259 MW of nameplate capacity between them, spread over 1 county. That is the EIA-860M operating count for 2026-07.

Is there a map of Oklahoma pumped storage hydro plants?

Yes — the map above. Each dot is one pumped storage hydro plant, sized by nameplate capacity and placed at the coordinates EIA files for it.

Which is the largest pumped storage hydro plant in Oklahoma?

Salina, at 259 MW. The table is sorted largest first, so the rest follow it.

Is there a pumped storage hydro plant near me in Oklahoma?

The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.

Which grid operator runs Oklahoma's pumped storage hydro plants?

Most of them sit inside SPP, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.

How current is this, and what is left out?

EIA-860M for 2026-07. Hydroelectric pumped storage. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.

Pumped Storage Hydro Plants in Oklahoma

Every operating pumped storage hydro plant in Oklahoma on EIA-860M for 2026-07: 1 plants, 6 generating units and 259 MW of nameplate capacity across 1 county, most of it inside SPP.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 1; 6 generating units
Nameplate capacity: 259 MW
Counties: 1
Grid operator: SPP; covers most of these plants

Map of pumped storage hydro plants in Oklahoma

Every one of the 1 plants is drawn at the coordinate EIA files for it.

Loading map…

Pumped storage · 1

List of pumped storage hydro plants in Oklahoma

Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.

pumped storage hydro plants in Oklahoma

SalinaHydroelectric Pumped Storage	Grand River Dam Authority	Mayes	259.2	6	1968	Operating

Largest pumped storage hydro plants in Oklahoma

1SalinaMayes County, Oklahoma259.2 MW

Pumped storage hydro plants by county in Oklahoma

The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.

County	Plants	Nameplate MW
Mayes	1	259.2

Pumped Storage Hydro Plants in Oklahoma: FAQ

How many pumped storage hydro plants are in Oklahoma?: 1, with 259 MW of nameplate capacity between them, spread over 1 county. That is the EIA-860M operating count for 2026-07.
Is there a map of Oklahoma pumped storage hydro plants?: Yes — the map above. Each dot is one pumped storage hydro plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest pumped storage hydro plant in Oklahoma?: Salina, at 259 MW. The table is sorted largest first, so the rest follow it.
Is there a pumped storage hydro plant near me in Oklahoma?: The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
Which grid operator runs Oklahoma's pumped storage hydro plants?: Most of them sit inside SPP, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.
How current is this, and what is left out?: EIA-860M for 2026-07. Hydroelectric pumped storage. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.