Compare power plants

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

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