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82 MW BESS operating in Los Angeles, CA
82 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
33.7703, -118.1000
County
Los Angeles, CA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Clean Energy | — | — |
| Owner(s) | AES Clean Energy | — | — |
| Status | Operating | — | — |
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
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
California Independent System Operator (CISO)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
−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.
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $111.6M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Shared substation inference
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-14
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