Columbia Solar Energy, LLC

Columbia Solar Energy, LLC is a 19 MW solar farm in Contra Costa County, California, operated by Columbia Solar Energy LLC. EIA-860M lists 1 generating unit here, inside CAISO. Its unit entered service in 2015.

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
19.2 MW
19.2 MW net summer
Generating units
1
In service
2015
EIA plant ID
59979

Where it is

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County
Contra Costa County, California
Coordinates
38.0197, -121.8651
Balancing authority
CISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Columbia Solar Energy LLC
Primary energy source
Solar
Technologies
Solar Photovoltaic
Status
Operating

Every plant Columbia Solar Energy LLC reports to EIA →

Columbia Solar Energy, LLC: FAQ

Where is Columbia Solar Energy, LLC?
In Contra Costa 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 Columbia Solar Energy, LLC?
19 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Columbia Solar Energy, LLC?
EIA-860M names Columbia Solar Energy LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is Columbia Solar Energy, LLC still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.