Compare power plants

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

Metric	Baldy Mesa Solar & Storage San Bernardino County	Rosamond South 1 Kern County
Capacity	225 MW	257 MW
Technology	Solar Photovoltaic, Batteries	Solar Photovoltaic, Batteries
Operator	AES Clean Energy	Golden Fields Solar IV, LLC
Operating units	2	2
Latest 12-month generation	307.9 GWh	370.3 GWh
Latest complete-year capacity factor	15.1% (2025)	—
National technology rank	#266 of 7,234	#336 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	Baldy Mesa Solar & Storage San Bernardino County	Rosamond South 1 Kern County
Capacity	225 MW	257 MW
Technology	Solar Photovoltaic, Batteries	Solar Photovoltaic, Batteries
Operator	AES Clean Energy	Golden Fields Solar IV, LLC
Operating units	2	2
Latest 12-month generation	307.9 GWh	370.3 GWh
Latest complete-year capacity factor	15.1% (2025)	—
National technology rank	#266 of 7,234	#336 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.