AES ES Alamitos 2 LLC — Plant Summary
- EIA Plant ID
- 67579
- Capacity
- 82 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Los Angeles, CA
- Operating Since
- 2024
- Generators
- 1
- Operator
- AES Clean Energy
- Parent Company
- —
- Annual Generation
- -10,992 MWh
- Capacity Factor
- -1.5%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
AES ES Alamitos 2 LLC
OperatingBESS
Ranked #64 of 191 BESS plants in CA#350 of 837 nationally
82 MW BESS operating in Los Angeles, CA — California Independent System Operator
EIA
82 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Location
Coordinates
33.7703, -118.1000
County
Los Angeles, CA
Nearby Plants
- AES ES Alamitos, LLCBESS100 MW · 0.0 km
- AES Alamitos LLCNatural Gas1115 MW · 0.2 km
- AES Alamitos Energy CenterNatural Gas678 MW · 0.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Clean Energy | — | — |
| Owner(s) | AES Clean Energy | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
AES ES Alamitos 2 LLC is a battery energy storage system (BESS) located in Los Angeles County, California. The plant, which began operating in 2024, has a total capacity of 82 MW and utilizes lithium-ion batteries (LIB) for energy storage. It consists of a single generator and has a total storage capacity of 328 MWh, providing a duration of 4 hours at full power. The primary fuel type is listed as MWH, indicating it draws power from the grid to charge the batteries.
The facility is operated by AES Clean Energy and falls within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. AES ES Alamitos 2 LLC ranks as the 125th largest power plant in California out of 300, and 536th nationally out of 1205.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
−2 MWh
Net Charging
-11.0K MWh
Annual Net Energy
-1.5%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Shared substation inference
ALAMT5G_7_B1Nearby ISO Node
ALMIT STG1S B1Substation
News & Articles (7)Beta
Industry·corporate
U.S. power plant retirements are delayed.
Power plant owners and operators in the United States plan to retire nearly 11 gigawatts (GW) of electric generating capacity through 2026,...
Inspenet·2 weeks ago
Industry·corporate
AES Closes California Natural Gas-Fired Plant
AES Corp. has ended operations at one of the group's four remaining natural gas-fired power plants in California. AES on Dec.
AES Corp. (operator)
POWER Magazine·2 years ago
Industry·corporate
AES power plant in Redondo Beach retired; redevelopment hangs in the future
The AES Redondo Beach power plant is no longer producing energy for the Southland. The AES Corporation decommissioned the generating station, which has...
AES Redondo Beach (operator)AES Corporation (operator)
Daily Breeze·2 years ago
Regulatory·ferc order
NERC Case Notes: Reliability Standard PRC-005-1
AES Alamitos, a GO, reported a violation of PRC-005-1. AES Alamitos could not show it had performed maintenance and testing on Protection System devices.
AES Alamitos (operator)
White & Case·3 years ago
Last updated 2026-03-14
View all 7 articles