Solar Star 1 is a solar power facility with 318 MW of EIA-reported nameplate capacity in Kern County, California, registered as EIA Plant ID 58388. Solar Star 1 is part of the Solar Star 1 and 2 development, which BHE Renewables says represented the largest solar project in the world when constructed.
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Primary generation technology.
Kern County · CAISO
Solar Star 1 is currently operating; a closure or retirement is listed for August 2, 2026.
Solar Photovoltaic
Solar Star 1 is currently operating; a closure or retirement is listed for August 2, 2026.
Solar Star 1 is currently operating; a closure or retirement is listed for August 2, 2026.
CAISO
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| AVS1 | 39 MW 38 MW summer | Solar Photovoltaic Solar · PV | Mar 2014 | Operating |
| SS11 | 54 MW 52.6 MW summer | Solar Photovoltaic Solar · PV | Jun 2015 | Operating |
| SS12 | 54 MW 52.6 MW summer | Solar Photovoltaic Solar · PV | Feb 2015 | Operating |
| SS13 | 58.5 MW 57 MW summer | Solar Photovoltaic Solar · PV | Oct 2014 | Operating |
| SS14 | 33 MW 32.2 MW summer | |||
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.
Solar Star California XIX, LLC and SunPower Corporation Systems entered into the EPC agreement for the 308.97 MW Antelope Valley Solar Project at the delivery point.
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.
Solar Star Funding issued $1.000 billion of Series A senior secured notes to finance construction of the combined 579 MW photovoltaic project.
EIA-860 lists generator AVS1 with this operating date.
EIA-860 lists generator SS16 with this operating date.
EIA-860 lists generator SS13, generator SS15 with this operating date.
EIA-860 lists generator SS12 with this operating date.
EIA-860 lists generator SS11, generator SS14 with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Solar Star 1 has a reported capacity of 318 MW. Source: EIA Form 860.
Solar Star 1 is a Solar Photovoltaic facility in Kern County, CA, participating in the CAISO market.
Solar Star 1 is in Kern County, CA, inside the CAISO balancing area.
Solar Star 1 is operated by Solar Star California XIX, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Solar Star 1 reported 888.9 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.
Solar Star 1 interconnects at Whirlwind Substation, on the Southern California Edison Company (SCE) system.
By capacity, Solar Star 1 ranks #31 of 7,234 operating plants of the same technology nationally. It ranks #3 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.
