Compare power plants

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

Metric	Platinum Storage Fannin County	Tanzanite Storage Henderson County
Capacity	348 MW	283.2 MW
Technology	Batteries	Batteries
Operator	Platinum Energy Storage LLC	Tanzanite Energy Storage LLC
Operating units	1	1
Latest 12-month generation	82.9 GWh	87.5 GWh
Latest complete-year capacity factor	—	—
National technology rank	#8 of 962	#21 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.