Compare power plants

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

Metric	Proxima Stanislaus County	RE Tranquillity Fresno County
Capacity	352 MW	277.3 MW
Technology	Solar Photovoltaic, Batteries	Batteries, Solar Photovoltaic
Operator	Proxima Solar, LLC	Southern Power Co
Operating units	2	3
Latest 12-month generation	467.5 GWh	491.4 GWh
Latest complete-year capacity factor	15.0% (2025)	20.2% (2024)
National technology rank	#208 of 7,234	#133 of 7,234
Latest EIA report	2026-06	2024-12

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	Proxima Stanislaus County	RE Tranquillity Fresno County
Capacity	352 MW	277.3 MW
Technology	Solar Photovoltaic, Batteries	Batteries, Solar Photovoltaic
Operator	Proxima Solar, LLC	Southern Power Co
Operating units	2	3
Latest 12-month generation	467.5 GWh	491.4 GWh
Latest complete-year capacity factor	15.0% (2025)	20.2% (2024)
National technology rank	#208 of 7,234	#133 of 7,234
Latest EIA report	2026-06	2024-12

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.