Bellefield Solar and Energy Storage Farm — Plant Summary
- EIA Plant ID
- 64210
- Capacity
- 1000 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries, Solar Photovoltaic
- Status
- Under construction
- Location
- Kern, CA
- Operating Since
- —
- Generators
- 2
- Operator
- 50LW 8me LLC
- Parent Company
- AES
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Bellefield Solar and Energy Storage Farm
Under constructionBESSSolarHybridGEM: construction
Ranked #1 of 191 BESS plants in CA#10 of 837 nationally
1000 MW Batteries (500 MW) + Solar Photovoltaic (500 MW) under construction in Kern, CA — California Independent System Operator
EIAGEM
1,000 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
—
Operating Since
Location
Coordinates
35.0630, -118.0878
County
Kern, CA
Nearby Plants
- Aratina Solar Center 2BESS263 MW · 0.0 km
- Bellefield 2 Solar & Energy Storage FarmBESS1000 MW · 5.3 km
- Edwards Sanborn S1BESS84.6 MW · 5.7 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | 50LW 8me LLC | Avantus | — |
| Owner(s) | 50LW 8me LLC | AES | — |
| Status | Under construction | construction | — |
Ownership Chain
About
Bellefield Solar and Energy Storage Farm is a hybrid power plant located in Kern County, California. The facility has a total capacity of 1,000 MW and is owned by AES. The operator listed with the EIA is 50LW 8me LLC. The plant utilizes both solar photovoltaic technology and batteries, with electricity measured in MWh listed as the primary fuel type. Bellefield operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
The plant consists of two generators and employs fixed-tilt solar tracking. Bellefield Solar and Energy Storage Farm is a significant facility within California, ranking as the second-largest of 112 power plants in the state and 12th-largest of 514 plants nationally. Recent news coverage includes 9 articles, with topics spanning industry trends, grid operations, and business deals.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
220 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
0 MWh
Net Discharge
—
Annual Net Energy
—
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
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
BELLEF_7_CN01
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (9)Beta
Industry·corporate
Factor This finance and development roundup: AES, CleanChoice, DESRI, Earthrise, Origis, rPlus, Soltage
Do you ever feel like maybe you weren't hardwired to handle all of the stimuli that the modern world throws at you?
AES (other)CleanChoice (other)
Power Engineering·9 months ago
Grid·capacity addition
AES completes 1GW Bellefield 1 solar and storage facility in US
AES has announced the completion of the 1GW Bellefield 1 solar and battery storage project in California, US.
AES (operator)Bellefield 1 (other)
Power Technology·9 months ago
Industry·corporate
The US’s largest solar + storage project just hit a big milestone
AES brings 1 GW of solar + storage online in California, and full buildout will be the largest of its kind in the US by 2026.
AES (developer)California (other)
Electrek·9 months ago
Grid·capacity addition
AES finalises 1st phase of huge solar-storage plant in California
The AES Corporation (NYSE:AES) has finished building the first phase of the gigawatt-scale Bellefield solar-plus-storage project in Kern County, California.
AES Corporation (operator)Bellefield (other)
Renewables Now·9 months ago
Last updated 2026-03-14
View all 9 articles