Compare power plants

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

Metric	Guajillo Energy Storage Webb County	Cachi Guadalupe County
Capacity	228.7 MW	200 MW
Technology	Batteries	Batteries
Operator	Guajillo Energy Storage, LLC	Engie North America
Operating units	1	1
Latest 12-month generation	38.3 GWh	140.4 GWh
Latest complete-year capacity factor	—	—
National technology rank	#38 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.