Compare power plants

Registry, engineering, and operating metrics shown on a consistent EIA basis.

Metric	Solar Star 1 Kern County	Solar Star 2 Kern County
Capacity	318 MW	279 MW
Technology	Solar Photovoltaic	Solar Photovoltaic
Operator	Solar Star California XIX, LLC	Solar Star California XX, LLC
Operating units	7	6
Latest 12-month generation	888.9 GWh	761.2 GWh
Latest complete-year capacity factor	32.2% (2025)	29.5% (2025)
National technology rank	#31 of 7,234	#58 of 7,234
Latest EIA report	2026-06	2026-06

Generation comes from EIA-923. Capacity, unit counts, technology, and reporting relationships come from EIA-860. Incomplete reporting years are excluded from capacity-factor comparisons.

Compare power plants

Registry, engineering, and operating metrics shown on a consistent EIA basis.

Metric	Solar Star 1 Kern County	Solar Star 2 Kern County
Capacity	318 MW	279 MW
Technology	Solar Photovoltaic	Solar Photovoltaic
Operator	Solar Star California XIX, LLC	Solar Star California XX, LLC
Operating units	7	6
Latest 12-month generation	888.9 GWh	761.2 GWh
Latest complete-year capacity factor	32.2% (2025)	29.5% (2025)
National technology rank	#31 of 7,234	#58 of 7,234
Latest EIA report	2026-06	2026-06

Generation comes from EIA-923. Capacity, unit counts, technology, and reporting relationships come from EIA-860. Incomplete reporting years are excluded from capacity-factor comparisons.