Where is Gilroy Peaking Energy Center?

In Santa Clara 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 Gilroy Peaking Energy Center?

144 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.

Who owns Gilroy Peaking Energy Center?

EIA-860M names Calpine Gilroy Cogen LP 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 Gilroy Peaking Energy Center LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Calpine Gilroy Cogen LP 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 "Gilroy Peaking 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 Gilroy Peaking Energy Center still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Gilroy Peaking Energy Center

Gilroy Peaking Energy Center is a 144 MW natural gas power plant in Santa Clara County, California, operated by Calpine Gilroy Cogen LP. EIA-860M lists 3 generating units here, inside CAISO. Its units entered service between 2001 and 2002.

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: 144 MW; 144 MW net summer
Generating units: 3
In service: 2001–2002
EIA plant ID: 55810

Where it is

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County: Santa Clara County, California
Coordinates: 36.999, -121.5363
Balancing authority: CISO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Calpine Gilroy Cogen LP
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combustion Turbine
Status: Operating

Every plant Calpine Gilroy Cogen LP reports to EIA →

Gilroy Peaking Energy Center: FAQ

Where is Gilroy Peaking Energy Center?: In Santa Clara 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 Gilroy Peaking Energy Center?: 144 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Gilroy Peaking Energy Center?: EIA-860M names Calpine Gilroy Cogen LP 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 Gilroy Peaking Energy Center LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Calpine Gilroy Cogen LP 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 "Gilroy Peaking 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 Gilroy Peaking Energy Center still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.