AES Alamitos Energy Center

AES Alamitos Energy Center is a 678 MW natural gas power plant in Los Angeles County, California, operated by AES Alamitos Energy, LLC. EIA-860M lists 3 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
678 MW
603 MW net summer
Generating units
3
In service
2020
EIA plant ID
62115

Where it is

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County
Los Angeles County, California
Coordinates
33.7672, -118.1002
Balancing authority
CISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
AES Alamitos Energy, LLC
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combined Cycle
Status
Operating

Every plant AES Alamitos Energy, LLC reports to EIA →

AES Alamitos Energy Center: FAQ

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