White Rock/Slab Creek — Plant Summary
- EIA Plant ID
- 435
- Capacity
- 269.2 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- El Dorado, CA
- Operating Since
- 1968
- Generators
- 4
- Operator
- Sacramento Municipal Util Dist
- Parent Company
- Sacramento Municipal Utility District
- Annual Generation
- 449,060 MWh
- Capacity Factor
- 19.2%
- Balancing Authority
- Balancing Authority of Northern California
- ISO/RTO
- —
- NERC Region
- WECC
White Rock/Slab Creek
OperatingHydro
Ranked #11 of 247 Hydro plants in CA#76 of 1454 nationally
269.2 MW Hydro operating in El Dorado, CA — Balancing Authority of Northern California
EIAGEMWD
269.2 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1968
Operating Since
Location
Coordinates
38.7653, -120.7874
County
El Dorado, CA
Nearby Plants
- Rock Creek LPHydro3 MW · 2.2 km
- Rock Creek IIHydro1.9 MW · 2.2 km
- Chili BarHydro8.3 MW · 2.3 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Sacramento Municipal Util Dist | Sacramento Municipal Utility District | — |
| Owner(s) | Sacramento Municipal Util Dist | Sacramento Municipal Utility District | — |
| Status | Operating | operating | — |
Ownership Chain
About
White Rock/Slab Creek is a hydroelectric power plant located in El Dorado County, California. The plant has a total capacity of 269.2 MW across four generators. It began operating in 1968 and is owned and operated by the Sacramento Municipal Utility District (SMUD). The plant uses water as its primary fuel source and employs conventional hydroelectric technology.
In the most recent year with available data, White Rock/Slab Creek generated 449,060 MWh of electricity, achieving a capacity factor of 19.2%. The plant operates within the Balancing Authority of Northern California (BANC) and is part of the Western Electricity Coordinating Council (WECC) NERC region. White Rock/Slab Creek is the 11th largest hydroelectric plant in California out of 42, and ranks 76th nationally out of 194 similar facilities.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Balancing Authority of Northern California
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
Generation
50.2K MWh
Latest Month
449.1K MWh
Annual Generation
19.2%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.