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500 MW Solar operating in Kern, CA
500 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Coordinates
35.0630, -118.0878
County
Kern, CA
Nearby Plants
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Request a demo →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 | Operating | construction | — |
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
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
California Independent System Operator (CISO)
Grid Voltage
220.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
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.
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Request a demo →2023
$1,544/kW
Est. Construction Cost
Total estimated cost: $772.0M
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Request a demo →Market 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
Last updated 2026-03-26
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Top solar plant owners in the US
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