Golden Field Solar III
Clearway Energy Group, LLCKern County
Golden Field Solar III, LLC is a hybrid solar and battery storage facility with 339 MW of EIA-reported total operating capacity and 588 MWh of reported storage energy capacity in Kern County, California, registered as EIA Plant ID 63859. Golden Fields Solar III, LLC is the registered plant entity or operator. McCarthy Building Companies built the facility using Wärtsilä GridSolv Quantum equipment. Rosamond Solar Investment LLC, a subsidiary of Clearway Energy, Inc. acquired a 50% interest in the plant from Renew Development HoldCo LLC in 2020. Commercial operation began on January 5, 2021.
Mapped infrastructure geometry associated with this asset.
Batteries, Solar Photovoltaic
4-hour storage duration
Golden Field Solar III, LLC is operating.
EIA plant 63859 · Inventory for Sep 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| RCBA | Batteries | Operating | 147 | 147 |
| RCTR | Solar Photovoltaic | Operating | 192 | Unknown |
Similar plants ranked by technology, capacity, and distance.
Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| RCBA | 147 MW 147 MW summer | Batteries BA | Mar 2024 | Operating |
| RCTR | 192 MW 192 MW summer | Solar Photovoltaic PV | Dec 2020 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Project milestones and public references behind the asset profile.
Construction of the 192 MW Rosamond Central solar project began in February 2020 and was led by McCarthy Building Companies.
CAISO
CAISO · Kern County
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Clearway closed debt financing for the solar project. NordLB was coordinating lead arranger, while CIT and Zions were joint lead arrangers; the announcement did not disclose the debt amount.
EIA-860 lists generator RCTR with this operating date.
Clearway announced completion of construction and commercial operations for the 192 MW Rosamond Central solar project.
Construction began on the 147 MW/588 MWh Rosamond Central BESS, designed as a four-hour battery paired with the operating solar farm.
Clearway closed $421 million of financing for the BESS. The financing consortium included NordLB, CoBank, Commerzbank, DNB, Société Générale, and Zions Capital Markets; HASI and Clearway Energy, Inc. also provided cash equity, with committed tax equity arranged.
EIA-860 lists generator RCBA with this operating date.
Clearway announced that the 147 MW Rosamond Central BESS had reached commercial operations.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Golden Field Solar III reports 147 MW battery storage + 192 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.
Golden Field Solar III is a Batteries, Solar Photovoltaic facility in Kern County, CA, participating in the CAISO market.
Golden Field Solar III is in Kern County, CA, inside the CAISO balancing area.
Golden Field Solar III is operated by Golden Fields Solar III, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Golden Field Solar III reported 535.3 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Golden Field Solar III ranks #221 of 7,597 operating plants of the same technology nationally. It ranks #36 of 972 in CA.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.
