Compare power plants

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

Metric	Valley (WI) Milwaukee County	Whitewater Generating Station Jefferson County
Capacity	272 MW	283.5 MW
Technology	Natural Gas Steam Turbine	Natural Gas Fired Combined Cycle
Operator	Wisconsin Electric Power Co	Wisconsin Electric Power Co
Operating units	3	2
Latest 12-month generation	365.2 GWh	361.2 GWh
Latest complete-year capacity factor	15.5% (2025)	30.1% (2025)
National technology rank	#91 of 257	#376 of 538
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.

Compare power plants

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

Metric	Valley (WI) Milwaukee County	Whitewater Generating Station Jefferson County
Capacity	272 MW	283.5 MW
Technology	Natural Gas Steam Turbine	Natural Gas Fired Combined Cycle
Operator	Wisconsin Electric Power Co	Wisconsin Electric Power Co
Operating units	3	2
Latest 12-month generation	365.2 GWh	361.2 GWh
Latest complete-year capacity factor	15.5% (2025)	30.1% (2025)
National technology rank	#91 of 257	#376 of 538
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.