Compare power plants

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

Metric	Kola Energy Center San Joaquin County	North Central Valley San Joaquin County
Capacity	400 MW	132 MW
Technology	Batteries	Batteries
Operator	Kola Energy Storage, LLC	North Central Valley Energy Storage, LLC
Operating units	2	1
Latest 12-month generation	382.6 GWh	168.6 GWh
Latest complete-year capacity factor	—	—
National technology rank	#5 of 962	#115 of 962
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	Kola Energy Center San Joaquin County	North Central Valley San Joaquin County
Capacity	400 MW	132 MW
Technology	Batteries	Batteries
Operator	Kola Energy Storage, LLC	North Central Valley Energy Storage, LLC
Operating units	2	1
Latest 12-month generation	382.6 GWh	168.6 GWh
Latest complete-year capacity factor	—	—
National technology rank	#5 of 962	#115 of 962
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.