Cosumnes — Plant Summary
- EIA Plant ID
- 55970
- Capacity
- 556.8 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Sacramento, CA
- Operating Since
- 2006
- Generators
- 3
- Operator
- Sacramento Municipal Util Dist
- Parent Company
- Sacramento Financing Authority
- Annual Generation
- 3,543,256 MWh
- Capacity Factor
- 72.7%
- Balancing Authority
- Balancing Authority of Northern California
- ISO/RTO
- —
- NERC Region
- WECC
Cosumnes
OperatingNatural Gas
Ranked #28 of 306 Natural Gas plants in CA#438 of 2009 nationally
556.8 MW Natural Gas operating in Sacramento, CA — Balancing Authority of Northern California
EIAWD
556.8 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2006
Operating Since
Location
Coordinates
38.3385, -121.1240
County
Sacramento, CA
Nearby Plants
- Rancho Seco Solar, LLCSolar10.8 MW · 0.8 km
- Rancho Seco Solar II, LLCSolar160 MW · 0.9 km
- Sacramento Soleil LLCSolar1 MW · 12.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Sacramento Municipal Util Dist | Sacramento Financing Authority | — |
| Owner(s) | Sacramento Financing Authority | Sacramento Financing Authority | — |
| Status | Operating | — | — |
Ownership Chain
About
The Cosumnes power plant is a 556.8 MW natural gas-fired combined cycle facility located in Sacramento County, California. It began operating in 2006 and has 3 generators. The plant is owned by the Sacramento Financing Authority and operated by the Sacramento Municipal Utility District (SMUD). It is within the Balancing Authority of Northern California (BANC) balancing authority area and the Western Electricity Coordinating Council (WECC) NERC region.
Cosumnes ranks as the 28th largest power plant in California out of 76, and 443rd nationally out of 945. The plant's latest annual generation was 3,543,256 MWh, achieving a capacity factor of 72.7%.
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
382.5K MWh
Latest Month
3.5M MWh
Annual Generation
72.7%
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.
News & Articles (10)Beta
Industry·partnership
Pulling Together at Cosumnes River Preserve
BLM and American Conservation Experience (ACE) teamed up at Cosumnes River Preserve to remove invasive hyacinth and primrose.
BLM (other)American Conservation Experience (other)
Bureau of Land Management (.gov)·7 months ago
Hazards·flooding
One dead, thousands still without power in Sacramento after unexpectedly strong New Year's Eve storm
One person was found dead in a submerged vehicle in south Sacramento Sunday morning after two levees were breached along the Cosumnes River.
Sacramento (other)Cosumnes River (other)
capradio.org·3 years ago
Industry·technology
New California Project Uses Solar Panels to Restore Native Prairie, Pollinator Habitat
An innovative solar project at a decommissioned nuclear power plant in California has found a way to tackle both the climate and...
California (other)
EcoWatch·3 years ago
Industry·technology
A Solar Project to Restore Prairie and Pollinators
A new project involving solar power, pollinators, native plants, Native people, and even a salamander is shaping ways to help restore the ecosystem.
UC Davis·3 years ago
Last updated 2026-03-14
View all 10 articles