Where is Antelope Expansion 1B?

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 Antelope Expansion 1B?

17 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.

Who owns Antelope Expansion 1B?

EIA-860M names AES Distributed Energy 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 Antelope Expansion 1B LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — AES Distributed Energy 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 "Antelope Expansion 1B LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Antelope Expansion 1B still running?

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

Antelope Expansion 1B

Antelope Expansion 1B is a 17 MW solar farm in Los Angeles County, California, operated by AES Distributed Energy. EIA-860M lists 1 generating unit here, inside CAISO. Its unit entered service in 2022.

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: 17 MW; 17 MW net summer
Generating units: 1
In service: 2022
EIA plant ID: 62320

Where it is

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County: Los Angeles County, California
Coordinates: 34.7161, -118.2592
Balancing authority: CISO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: AES Distributed Energy
Primary energy source: Solar
Technologies: Solar Photovoltaic
Status: Operating

Every plant AES Distributed Energy reports to EIA →

Antelope Expansion 1B: FAQ

Where is Antelope Expansion 1B?: 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 Antelope Expansion 1B?: 17 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Antelope Expansion 1B?: EIA-860M names AES Distributed Energy 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 Antelope Expansion 1B LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — AES Distributed Energy 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 "Antelope Expansion 1B LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Antelope Expansion 1B still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.