Where is SEPV Sierra?

In Los Angeles 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 SEPV Sierra?

11 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.

Who owns SEPV Sierra?

EIA-860M names SEPV Sierra, 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 SEPV Sierra LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — SEPV Sierra, 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 "SEPV Sierra LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is SEPV Sierra still running?

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

SEPV Sierra

SEPV Sierra is a 11 MW battery storage project in Los Angeles County, California, operated by SEPV Sierra, LLC. EIA-860M lists 2 generating units here, inside CAISO. Its units entered service in 2020.

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: 11.3 MW; 11.3 MW net summer
Generating units: 2
In service: 2020
EIA plant ID: 64611

Where it is

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County: Los Angeles County, California
Coordinates: 34.733, -118.1385
Balancing authority: CISO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: SEPV Sierra, LLC
Primary energy source: Battery
Technologies: Batteries, Solar Photovoltaic
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Battery 8 MW, Solar 3 MW. It is filed here under Battery, the source with the most capacity.

Every plant SEPV Sierra, LLC reports to EIA →

SEPV Sierra: FAQ

Where is SEPV Sierra?: In Los Angeles 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 SEPV Sierra?: 11 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns SEPV Sierra?: EIA-860M names SEPV Sierra, 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 SEPV Sierra LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — SEPV Sierra, 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 "SEPV Sierra LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is SEPV Sierra still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.