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268.7 MW Hydro operating in El Dorado, CA — Balancing Authority of Northern California
268.7 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1968
Operating Since
Coordinates
38.7653, -120.7874
County
El Dorado, CA
Nearby Plants
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 | — |
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
Grid Region
California (non-ISO)
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Balancing Authority of Northern California (BANC)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility
50.2K MWh
Latest Month
449.1K MWh
Annual Generation
19.2%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $616.5M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-14
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