How big is Bellefield Solar and Energy Storage Farm?

Bellefield Solar and Energy Storage Farm has a reported capacity of 1,000 MW. Source: EIA Form 860.

What kind of plant is Bellefield Solar and Energy Storage Farm?

Bellefield Solar and Energy Storage Farm is a Batteries, Solar Photovoltaic facility in Kern County, CA, participating in the CAISO market.

Where is Bellefield Solar and Energy Storage Farm located?

Bellefield Solar and Energy Storage Farm is in Kern County, CA, inside the CAISO balancing area.

Who operates Bellefield Solar and Energy Storage Farm?

Bellefield Solar and Energy Storage Farm is operated by 50LW 8me LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Bellefield Solar and Energy Storage Farm generate?

Bellefield Solar and Energy Storage Farm reported 332.5 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

Where does Bellefield Solar and Energy Storage Farm connect to the grid?

Bellefield Solar and Energy Storage Farm interconnects at Southern California Edison (SCE) Windhub Substation, on the Southern California Edison (SCE) system.

How does Bellefield Solar and Energy Storage Farm compare to other plants?

By capacity, Bellefield Solar and Energy Storage Farm ranks #8 of 7,234 operating plants of the same technology nationally. It ranks #2 of 939 in CA.

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Batteries, Solar PhotovoltaicCAISO · Kern County

Bellefield Solar and Energy Storage Farm

The AES Corporation · Kern County · CAISO

Bellefield Solar and Energy Storage Farm is a hybrid solar and battery storage facility with 1,000 MW of EIA-reported total operating capacity and 4,000 MWh of reported storage energy capacity in Kern County, California, registered as EIA Plant ID 64210. The AES Corporation is the current owner; 50LW 8me LLC is the registered plant entity or operator. In June 2023, AES and Avantus described Bellefield as the largest permitted solar-plus-storage project in the United States.

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Asset analyst

plant:plant-64210

Ask about Bellefield Solar and Energy Storage Farm

Investigate technology, capacity, output, price behavior, ownership, and related facilities using this profile plus current grid data.

Overview

Key fields

Generation / storage: 1,000 MW total / 4,000 MWh storage
Reported plant capacity and configuration.
Technology: Solar + battery storage
Primary generation technology.
Registry anchor: Plant 64210
50LW 8me LLC · Kern County · CAISO
Storage duration: 4 hours
Battery subsystem rating.
Operating status: Operating
Bellefield Solar and Energy Storage Farm is operating.
Grid connection: Southern California Edison (SCE) Windhub Substation
230 kV · Southern California Edison (SCE)

Profile

Grid role: Solar generation paired with four-hour battery storage, supporting grid reliability and supply during peak-demand periods.
Grid connection: Southern California Edison (SCE) Windhub Substation · 230 kV · Southern California Edison (SCE).
Context: In June 2023, AES and Avantus described Bellefield as the largest permitted solar-plus-storage project in the United States.
Physical build: The exact EIA plant record reports 2 operational generating units totaling 1,000 MW. AES describes Bellefield as a two-phase hybrid project, with each phase comprising 500 MW of solar and 500 MW of four-hour battery storage. Documented physical works include a 14-mile transmission line to SCE’s Windhub Substation; 230 kV overhead and underground transmission lines; substations and switchyards; collection and communication systems; service roads; energy-storage facilities; O&M facilities; and three permanent property entrances. Clark Bros. reports civil/site-development work including clearing, grading, laydown yards, substation and BESS preparation, SWPPP and dust control, and roadway construction. No source provides installed counts for solar modules, inverters, battery units, or storage containers.

Structured profile

Reported capacity: 1,000 MW
Batteries, Solar Photovoltaic
Energy: 4,000 MWh
4-hour storage duration
Operating status: operating
Bellefield Solar and Energy Storage Farm is operating.
Interconnection: Southern California Edison (SCE) Windhub Substation
230 kV · Southern California Edison (SCE)
Location

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
50LWA	500 MW 500 MW summer	Solar Photovoltaic Solar · PV	Dec 2025	Operating
50LWB	500 MW 500 MW summer	Batteries Electricity used for energy storage · BA	Dec 2025	Operating

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity: 500 MW
National rank: #8
CA rank: #2

Monthly generation

Download CSV

Latest 12 months

332.5 GWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory

GOLDTOWN

IN SERVICE · 66 kV

9.0 km

UNKNOWN302355

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Land and environmental record

County Parcel Area

82 parcels totaling approximately 5,841 gross acres in unincorporated Kern County

Of the 90 parcels, 82 parcels are within unincorporated Kern County, totaling approximately 5,841 gross acres.

Source

Local Land Use Permits

Jul 2, 2021

Kern County CUP #1, Map 195 (5,438.26 acres); Kern County CUP #57, Map 196 (830.87 acres); California City CUP 19-03 (2,102.63 acres)

CEQA project record identifies local land-use approvals: Kern County CUP #1 for 5,438.26-acre PV facility, Kern County CUP #57 for 830.87-acre PV facility, and California City CUP 19-03 for 2,102.63-acre California City portion.

Bellefield Solar Project by 50LW 8ME LLC (8Minute Energy)

Municipal Parcel Area

8 parcels totaling approximately 2,103 gross acres within California City

Eight of the 90 assessor parcels, totaling approximately 2,103 gross acres, are within California City.

Source

Parcel Area

Approximately 7,944 gross acres across the 90 assessor parcels

Of the 90 assessor parcels comprising the solar facility area, the total is approximately 7,944 gross acres.

Source

Parcel Count

90 assessor parcels

Federal ESA documentation identifies the solar facility area as comprised of 90 assessor parcels.

Source

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

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AssetOwner / operatorOfftakerFinancierOrganization

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Jun 7, 2023
Jun 7, 2023
Acquisition And SaleAES Acquire...
AES announced its acquisition of the 2 GW Bellefield project from Avantus. The project was in late-stage development, with two 500 MW solar phases and up to 500 MW of four-hour battery storage per phase.
Jun 11, 2025

Bellefield Solar and Energy Storage Farm

Ask about Bellefield Solar and Energy Storage Farm

Bellefield Solar and Energy Storage Farm

Ask about Bellefield Solar and Energy Storage Farm

Overview

Key fields

Profile

Structured profile

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Land and environmental record

Related parties and identifiers

Relationship graph

Timeline and sources

Project timeline

Parties and identifiers

Reporting portfolio

Sources

Common questions about Bellefield Solar and Energy Storage Farm

How big is Bellefield Solar and Energy Storage Farm?

What kind of plant is Bellefield Solar and Energy Storage Farm?

Where is Bellefield Solar and Energy Storage Farm located?

Who operates Bellefield Solar and Energy Storage Farm?

How much electricity does Bellefield Solar and Energy Storage Farm generate?

Where does Bellefield Solar and Energy Storage Farm connect to the grid?

How does Bellefield Solar and Energy Storage Farm compare to other plants?

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