El Cajon Energy Center
El Cajon Energy Center is a 61 MW natural gas power plant in San Diego County, California, operated by Wellhead Services, Inc. EIA-860M lists 1 generating unit here, inside CAISO. Its unit entered service in 2010.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 60.5 MW
- 60.5 MW net summer
- Generating units
- 1
- In service
- 2010
- EIA plant ID
- 57001
Where it is
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- County
- San Diego County, California
- Coordinates
- 32.7961, -116.9721
- Balancing authority
- CISO
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Wellhead Services, Inc
- Primary energy source
- Natural gas
- Technologies
- Natural Gas Fired Combustion Turbine
- Status
- Operating
El Cajon Energy Center: FAQ
- Where is El Cajon Energy Center?
- In San Diego County, California (CA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is El Cajon Energy Center?
- 61 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns El Cajon Energy Center?
- EIA-860M names Wellhead Services, Inc as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as El Cajon Energy Center LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Wellhead Services, Inc here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "El Cajon Energy Center LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is El Cajon Energy Center still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.