127 MW BESS operating in Los Angeles, CA — California Independent System Operator
127 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Coordinates
34.6843, -118.3052
County
Los Angeles, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Distributed Energy | — | — |
| Owner(s) | AES Distributed Energy | — | — |
| Status | Operating | — | — |
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
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
−1.6K MWh
Net Charging
-20.4K MWh
Annual Net Energy
-1.8%
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.
No financial data available for this plant.
Point 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
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Last updated 2026-03-14
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