AES Alamitos LLC — Plant Summary
- EIA Plant ID
- 315
- Capacity
- 1115 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Steam Turbine
- Status
- Operating
- Location
- Los Angeles, CA
- Operating Since
- 1961
- Generators
- 3
- Operator
- AES Alamitos LLC
- Parent Company
- AES
- Annual Generation
- 28,213 MWh
- Capacity Factor
- 0.3%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
AES Alamitos LLC
OperatingNatural Gas
Ranked #5 of 306 Natural Gas plants in CA#132 of 2009 nationally
1115 MW Natural Gas operating in Los Angeles, CA — California Independent System Operator
EIAWD
1,115 MW
Nameplate Capacity
3
Generators
units
Natural Gas Steam Turbine
Technology
1961
Operating Since
Location
Coordinates
33.7688, -118.1009
County
Los Angeles, CA
Nearby Plants
- AES ES Alamitos 2 LLCBESS82 MW · 0.2 km
- AES Alamitos Energy CenterNatural Gas678 MW · 0.2 km
- AES ES Alamitos, LLCBESS100 MW · 0.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Alamitos LLC | AES Alamitos | — |
| Owner(s) | AES Alamitos LLC | AES | — |
| Status | Operating | — | — |
Ownership Chain
About
AES Alamitos LLC is a natural gas-fired power plant located in Los Angeles County, California. The plant has a total capacity of 1115 MW across three generating units utilizing natural gas steam turbine technology. It began operating in 1961 and is owned and operated by AES Alamitos LLC, a subsidiary of AES. The plant is interconnected to the California Independent System Operator (CAISO) grid and falls within the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, AES Alamitos LLC generated 28,213 MWh of electricity, resulting in a capacity factor of 0.3%. The plant is a significant power source in California, ranking as the 5th largest out of 76 power plants in the state, and 136th largest out of 945 plants nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
220 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
0 MWh
Latest Month
28.2K MWh
Annual Generation
0.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
ALAMT5G_7_B1
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
EIA-860 direct report
News & Articles (6)Beta
General
aes-20241231
Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☒ No ☐.
SEC.gov·1 years ago
General
NORTH AMERICAN POWER PLANT - AIR EMISSIONS
No, Plant Name, Country, State /Province, Primary Fuel, Electricity Generation (MWh), Emission Rate (kg/MW-h), Total Emissions
Commission for Environmental Cooperation·1 years ago
General
aes-20231231
The aggregate market value of the voting and non-voting common equity held by non-affiliates on June 30, 2023, the last business day of the Registrant's most...
SEC.gov·2 years ago
Industry·corporate
Electricity company AES helps Long Beach keep Alamitos Bay water circulating
Long Beach officials have a basic idea of how it will keep Alamitos Bay from becoming stagnant even after AES Alamitos LLC stops pumping water to cool its...
AES (other)Long Beach (other)
Long Beach Press-Telegram·3 years ago
Last updated 2026-03-26
View all 6 articles