How many power plants does California Dept. of Water Resources operate?

EIA-860M lists 8 operating plants against “California Dept. of Water Resources” for 2026-07, totalling 2 GW of nameplate capacity in 1 state.

Is California Dept. of Water Resources 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.

California Dept. of Water Resources power plants

Every generating plant EIA-860M files against California Dept. of Water Resources for 2026-07: 8 plants, 2 GW of nameplate capacity, across 1 state and 2 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: 8
Nameplate capacity: 2 GW
States: 1; CA
Energy sources: 2

California Dept. of Water Resources plants by energy source

Hydro6 plants · 1,050 MW
Pumped storage2 plants · 539 MW

Full list of California Dept. of Water Resources power plants

Power plants operated by California Dept. of Water Resources

Edward C Hyatt2 technologies	California Dept. of Water Resources	Butte	644.1	6	1968	Operating
W R GianelliHydroelectric Pumped Storage	California Dept. of Water Resources	Merced	424	8	1967	Operating
Devil CanyonConventional Hydroelectric	California Dept. of Water Resources	San Bernardino	276.2	4	1972	Operating
Thermalito2 technologies	California Dept. of Water Resources	Butte	115.1	4	1968	Operating
W E WarneConventional Hydroelectric	California Dept. of Water Resources	Los Angeles	74.2	2	1982	Operating
Mojave SiphonConventional Hydroelectric	California Dept. of Water Resources	San Bernardino	32.7	3	1996	Operating
AlamoConventional Hydroelectric	California Dept. of Water Resources	Los Angeles	19.6	1	1986	Operating
Thermalito Diverson DamConventional Hydroelectric	California Dept. of Water Resources	Butte	3.4	1	1987	Operating

California Dept. of Water Resources: FAQ

How many power plants does California Dept. of Water Resources operate?: EIA-860M lists 8 operating plants against “California Dept. of Water Resources” for 2026-07, totalling 2 GW of nameplate capacity in 1 state.
Is California Dept. of Water Resources 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.