Lancaster Area Battery — Plant Summary
- EIA Plant ID
- 66050
- Capacity
- 127 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Los Angeles, CA
- Operating Since
- 2022
- Generators
- 1
- Operator
- AES Distributed Energy
- Parent Company
- —
- Annual Generation
- -20,434 MWh
- Capacity Factor
- -1.8%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Lancaster Area Battery
OperatingBESS
Ranked #40 of 191 BESS plants in CA#268 of 837 nationally
127 MW BESS operating in Los Angeles, CA — California Independent System Operator
EIAWD
127 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Location
Coordinates
34.6843, -118.3052
County
Los Angeles, CA
Nearby Plants
- Luna StorageBESS100 MW · 0.1 km
- Antelope DSR 2Solar5 MW · 0.7 km
- Bayshore Solar B, LLCSolar20 MW · 0.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Distributed Energy | — | — |
| Owner(s) | AES Distributed Energy | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Lancaster Area Battery is a 127 MW battery energy storage system located in Los Angeles County, California. The plant began operating in 2022 and is owned and operated by AES Distributed Energy. It is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region. The facility consists of a single generator utilizing batteries as its primary fuel source, specifically lithium-ion batteries (LIB).
The Lancaster Area Battery has a total energy storage capacity of 508 MWh, providing a duration of 4 hours at its full power output. According to state rankings, the plant is the 92nd largest of 112 facilities in California. Nationally, it ranks as the 425th largest of 514 facilities.
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
−1.6K MWh
Net Charging
-20.4K MWh
Annual Net Energy
-1.8%
Capacity Factor
Jan 2023 – Dec 2025
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
HIGH confidencePoint of Interconnection
Nearest Substation
Big Sky Substation · 220 kV
Substation Distance
0.129 km
Operator
AES Corporation
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
BIGSK230_2_N022
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (9)Beta
Industry·technology
Shifting global battery storage trends could open the door for European growth
Global investment in battery energy storage systems (BESS) is entering a new phase, moving from niche pilot projects to large-scale grid...
Europe (other)
ESS News·4 months ago
Regulatory·permitting
Italian ministry authorizes 500 MW of BESS projects
Two new energy storage projects are set to be developed in Udine (25 MW) and Ferrara (486 MW).
Italian ministry (regulator)
ESS News·4 months ago
Industry·corporate
Star Charge plans 32 GWh of battery storage projects in US
The projects, with a total contract value of $3.2 billion, will primarily serve the growing demand from data centers.
Star Charge (developer)
ESS News·4 months ago
Grid·curtailment
California solar curtailment down 12% on back of batteries
For the first five months of 2025, CAISO data showed solar electricity curtailment declined by 12% as a share of generation, falling from...
California (other)CAISO (regulator)
pv magazine USA·8 months ago
Last updated 2026-03-14
View all 9 articles