Chestnut is a hybrid solar and battery storage facility with 285.6 MW of EIA-reported operating capacity in Kings County, California, registered as EIA Plant ID 63849. Project filings list 563,640 solar panels and 60 inverters for the facility.
EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
Primary generation technology.
Kings County · CAISO
Chestnut is operating.
230 kV · Pacific Gas and Electric Company (PG&E)
Installed equipment documented in public project records.
Batteries, Solar Photovoltaic
Chestnut is operating.
230 kV · Pacific Gas and Electric Company (PG&E)
CAISO
CAISO · Kings County
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| BESS1 | 135 MW 135 MW summer | Batteries Electricity used for energy storage · BA | Dec 2023 | Operating |
| CHNUT | 150.6 MW 150.6 MW summer | Solar Photovoltaic Solar · PV | Dec 2023 | 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.
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Project milestones and public references behind the asset profile.
The Kings County environmental filing described a 150 MW solar generating station, 230-kV substation, and planned 12-month construction period commencing in 2020.
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.
Chestnut Westside LLC transferred the project site to Castanea Project LLC by recorded grant deed.
EIA-860 lists generator BESS1, generator CHNUT with this operating date.
BEI Construction reported that SOLV Energy had awarded it technology-infrastructure contracts for the Chestnut project and that the work was underway.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Chestnut has a reported capacity of 285.6 MW. Source: EIA Form 860.
Chestnut is a Batteries, Solar Photovoltaic facility in Kings County, CA, participating in the CAISO market.
Chestnut is in Kings County, CA, inside the CAISO balancing area.
Chestnut is operated by Chestnut Westside LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Chestnut reported 363.2 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.
Chestnut interconnects at Gates Substation, on the Pacific Gas and Electric Company (PG&E) system.
By capacity, Chestnut ranks #264 of 7,234 operating plants of the same technology nationally. It ranks #48 of 939 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.
