Compare power plants

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

Metric	Menifee Power Bank Riverside County	Gateway Energy Storage System San Diego County
Capacity	680 MW	250 MW
Technology	Batteries	Batteries
Operator	Nova Power, LLC	Gateway Energy Storage, LLC
Operating units	5	1
Latest 12-month generation	943.6 GWh	96.6 GWh
Latest complete-year capacity factor	—	—
National technology rank	#1 of 962	#27 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.