Ameresco Keller Canyon

Ameresco Keller Canyon is a 4 MW biomass power plant in Contra Costa County, California, operated by AMERESCO Keller Canyon LLC. EIA-860M lists 2 generating units here, inside CAISO. Its units entered service in 2009.

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
3.8 MW
3.6 MW net summer
Generating units
2
In service
2009
EIA plant ID
56897

Where it is

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County
Contra Costa County, California
Coordinates
38.0039, -121.9345
Balancing authority
CISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
AMERESCO Keller Canyon LLC
Primary energy source
Biomass
Technologies
Landfill Gas
Status
Operating

Every plant AMERESCO Keller Canyon LLC reports to EIA →

Ameresco Keller Canyon: FAQ

Where is Ameresco Keller Canyon?
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 Ameresco Keller Canyon?
4 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Ameresco Keller Canyon?
EIA-860M names AMERESCO Keller Canyon LLC 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 Ameresco Keller Canyon LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — AMERESCO Keller Canyon LLC 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 "Ameresco Keller Canyon LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Ameresco Keller Canyon still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.