How many power plants does Salt River Project operate?

EIA-860M lists 19 operating plants against “Salt River Project” for 2026-07, totalling 9 GW of nameplate capacity in 1 state.

Is Salt River Project the owner of these plants?

EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.

Why are affiliates listed separately?

Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.

Salt River Project power plants

Every generating plant EIA-860M files against Salt River Project for 2026-07: 19 plants, 9 GW of nameplate capacity, across 1 state and 5 energy sources.

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: 19
Nameplate capacity: 9 GW
States: 1; AZ
Energy sources: 5

Salt River Project plants by energy source

Coal1 plants · 822 MW
Hydro4 plants · 53 MW
Natural gas11 plants · 7,749 MW
Pumped storage2 plants · 195 MW
Solar1 plants · 50 MW

Full list of Salt River Project power plants

Power plants operated by Salt River Project

SantanNatural Gas Fired Combined Cycle	Salt River Project	Maricopa	1,326	9	1974	Operating
Coolidge Generation StationNatural Gas Fired Combustion Turbine	Salt River Project	Pinal	1,023	18	2011	Operating
CoronadoConventional Steam Coal	Salt River Project	Apache	821.8	2	1979	Operating
Desert Basin2 technologies	Salt River Project	Pinal	745.1	5	2001	Operating
Agua Fria4 technologies	Salt River Project	Maricopa	737.5	10	1957	Operating
Mesquite Generating Station Block 1Natural Gas Fired Combined Cycle	Salt River Project	Maricopa	691.6	3	2003	Operating
Gila River Power Block 4Natural Gas Fired Combined Cycle	Salt River Project	Maricopa	619	3	2003	Operating
Gila River Power Block 1Natural Gas Fired Combined Cycle	Salt River Project	Maricopa	619	3	2003	Operating
Gila River Power Block 3Natural Gas Fired Combined Cycle	Salt River Project	Maricopa	619	3	2003	Operating
Gila River Power Block 2Natural Gas Fired Combined Cycle	Salt River Project	Maricopa	619	3	2003	Operating
Kyrene3 technologies	Salt River Project	Maricopa	596.4	7	1952	Operating
Copper Crossing Energy and Research Cent2 technologies	Salt River Project	Pinal	153.4	5	2024	Operating
Horse Mesa2 technologies	Salt River Project	Maricopa	131.3	4	1927	Operating
Mormon Flat2 technologies	Salt River Project	Maricopa	63.5	2	1926	Operating
Bonnybrooke PVSolar Photovoltaic	Salt River Project	Pinal	50	1	2016	Operating
RooseveltConventional Hydroelectric	Salt River Project	Maricopa	36	1	1973	Operating
Stewart MountainConventional Hydroelectric	Salt River Project	Maricopa	13	1	1930	Operating
CrosscutConventional Hydroelectric	Salt River Project	Maricopa	3	1	1939	Out of service and NOT expected to return to service in next calendar year
South ConsolidatedConventional Hydroelectric	Salt River Project	Maricopa	1.4	1	1981	Out of service and NOT expected to return to service in next calendar year

Salt River Project: FAQ

How many power plants does Salt River Project operate?: EIA-860M lists 19 operating plants against “Salt River Project” for 2026-07, totalling 9 GW of nameplate capacity in 1 state.
Is Salt River Project the owner of these plants?: EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.
Why are affiliates listed separately?: Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.