Solar Star 2 is a solar power facility with 279 MW of EIA-reported nameplate capacity in Kern County, California, registered as EIA Plant ID 58389. Solar Star 1 and Solar Star 2 together represented the world's largest solar project when constructed; BHE Renewables currently describes the combined installation as the fourth-largest solar farm in the United States.
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Primary generation technology.
Kern County · CAISO
Solar Star 2 is currently operating; a closure or retirement is listed for 2025.
230 kV
Solar Photovoltaic
Solar Star 2 is currently operating; a closure or retirement is listed for 2025.
Solar Star 2 is currently operating; a closure or retirement is listed for 2025.
230 kV
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| AVS2 | 19.5 MW 19 MW summer | Solar Photovoltaic Solar · PV | Mar 2014 | Operating |
| SS21 | 60 MW 59 MW summer | Solar Photovoltaic Solar · PV | Jul 2014 | Operating |
| SS22 | 55.5 MW 55 MW summer | Solar Photovoltaic Solar · PV | Dec 2014 | Operating |
| SS23 | 48 MW 47 MW summer | Solar Photovoltaic Solar · PV | Dec 2014 | Operating |
| SS24 | 43.5 MW 43 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.
Project milestones and public references behind the asset profile.
EIA-860 lists generator AVS2 with this operating date.
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.
EIA-860 lists generator SS25 with this operating date.
EIA-860 lists generator SS21 with this operating date.
EIA-860 lists generator SS22, generator SS23 with this operating date.
EIA-860 lists generator SS24 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 2 has a reported capacity of 279 MW. Source: EIA Form 860.
Solar Star 2 is a Solar Photovoltaic facility in Kern County, CA, participating in the CAISO market.
Solar Star 2 is in Kern County, CA, inside the CAISO balancing area.
Solar Star 2 is operated by Solar Star California XX, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Solar Star 2 reported 761.2 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.
Solar Star 2 interconnects at Whirlwind.
By capacity, Solar Star 2 ranks #58 of 7,234 operating plants of the same technology nationally. It ranks #11 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.
