Compare power plants

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

Metric	TalenEnergy Martins Creek Northampton County	Bethlehem Power Plant Northampton County
Capacity	1,701 MW	1,153 MW
Technology	Natural Gas Steam Turbine	Natural Gas Fired Combined Cycle
Operator	TalenEnergy Martins Creek LLC	Calpine Bethlehem LLC
Operating units	6	8
Latest 12-month generation	2.95 TWh	5.92 TWh
Latest complete-year capacity factor	15.1% (2025)	57.6% (2025)
National technology rank	#6 of 257	#71 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	TalenEnergy Martins Creek Northampton County	Bethlehem Power Plant Northampton County
Capacity	1,701 MW	1,153 MW
Technology	Natural Gas Steam Turbine	Natural Gas Fired Combined Cycle
Operator	TalenEnergy Martins Creek LLC	Calpine Bethlehem LLC
Operating units	6	8
Latest 12-month generation	2.95 TWh	5.92 TWh
Latest complete-year capacity factor	15.1% (2025)	57.6% (2025)
National technology rank	#6 of 257	#71 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.