Compare power plants

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

Metric	Kola Energy Center San Joaquin County	Diablo Energy Storage Contra Costa County
Capacity	400 MW	200 MW
Technology	Batteries	Batteries
Operator	Kola Energy Storage, LLC	Diablo Energy Storage, LLC
Operating units	2	1
Latest 12-month generation	382.6 GWh	199.8 GWh
Latest complete-year capacity factor	—	—
National technology rank	#5 of 962	#48 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.