Cald BESS — Plant Summary
- EIA Plant ID
- 66617
- Capacity
- 100 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Los Angeles, CA
- Operating Since
- 2024
- Generators
- 1
- Operator
- Cald BESS LLC
- Parent Company
- —
- Annual Generation
- -19,333 MWh
- Capacity Factor
- -2.2%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Cald BESS
OperatingBESS
Ranked #49 of 191 BESS plants in CA#304 of 837 nationally
100 MW BESS operating in Los Angeles, CA — California Independent System Operator
EIA
100 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Location
Coordinates
33.9559, -118.2321
County
Los Angeles, CA
Nearby Plants
- USPS PVSolar7.4 MW · 3.4 km
- Lafayette 2 - MLK Jr. Hospital (MLK)Solar1.7 MW · 3.7 km
- VernonDistillate Oil30 MW · 4.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Cald BESS LLC | — | — |
| Owner(s) | Cald BESS LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Cald BESS is a 100 MW battery energy storage system located in Los Angeles County, California. The plant began operating in 2024 and has one generator. It is owned and operated by Cald BESS LLC. The facility utilizes lithium-ion batteries (LIB) and has a total storage capacity of 400 MWh, providing a duration of 4 hours. The plant's primary fuel is electricity (MWH), indicating it charges from the grid.
Cald BESS operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It is ranked as the 106th largest power plant in California out of 112, and nationally it is ranked 508th out of 514.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
RANGER
WithdrawnBattery102.26 MWCAISO
Generation
−1.7K MWh
Net Charging
-19.3K MWh
Annual Net Energy
-2.2%
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
CEN_SUB_LNODEONC
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (7)Beta
Hazards·wildfire
Smoke from fire at California lithium battery plant raises concerns about air quality
A fire at the world's largest battery storage plant in Northern California is smoldering after sending plumes of toxic smoke into the...
AP News·1 years ago
Deals·m and a
Eolus sells 100MW/400MWh BESS to California utility SCP
The North American division of Sweden's Eolus Vind has agreed to sell the 100MW/400MWh Pome battery energy storage system (BESS) project.
Eolus Vind (seller)SCP (buyer)
Energy-Storage.News·1 years ago
Deals·m and a
‘US perhaps the most exciting market’: Sweden’s Eolus advances sale of 100MW California BESS
North American arm of Eolus Vind has secured financing and advanced the sales process for its Pome standalone BESS facility in California.
Eolus Vind (seller)
Energy-Storage.News·1 years ago
General
California solar-plus-storage project with world’s largest BESS fully online
The Edwards & Sanborn solar-plus-storage project in California is now fully online, with 3287MWh of battery storage capacity.
Energy-Storage.News·2 years ago
Last updated 2026-03-14
View all 7 articles