Compare power plants

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

Metric	F B Culley Warrick County	John P Madgett Buffalo County
Capacity	368.9 MW	387 MW
Technology	Conventional Steam Coal	Conventional Steam Coal
Operator	Southern Indiana Gas & Elec Co	Dairyland Power Coop
Operating units	2	1
Latest 12-month generation	1.23 TWh	1.09 TWh
Latest complete-year capacity factor	30.0% (2025)	37.9% (2025)
National technology rank	#137 of 206	#135 of 206
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	F B Culley Warrick County	John P Madgett Buffalo County
Capacity	368.9 MW	387 MW
Technology	Conventional Steam Coal	Conventional Steam Coal
Operator	Southern Indiana Gas & Elec Co	Dairyland Power Coop
Operating units	2	1
Latest 12-month generation	1.23 TWh	1.09 TWh
Latest complete-year capacity factor	30.0% (2025)	37.9% (2025)
National technology rank	#137 of 206	#135 of 206
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.