Lower Mount Bethel Energy
Northampton County, Pennsylvania · EIA plant ID 55667 · Operator: Lower Mount Bethel Energy LLC
Nameplate652MWSummer 602 MW
Generators3in service
Net generation4,478GWh12 mo to Aug 2026
Capacity factor85%gas/coal/oil units, summer MW
Heat rate7,238Btu/kWhfossil units, electric fuel, HHV
First online2004Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2004 | 366.9 | 10.5% | 8,122 |
| 2005 | 757.8 | 14.6% | 7,748 |
| 2006 | 913.5 | 17.6% | 7,795 |
| 2007 | 1,219.9 | 23.4% | 7,904 |
| 2008 | 1,933.6 | 37.1% | 7,636 |
| 2009 | 2,099.8 | 40.4% | 7,555 |
| 2010 | 2,846 | 54.7% | 7,516 |
| 2011 | 3,582.7 | 74.2% | 7,436 |
| 2012 | 3,351.7 | 68.3% | 7,352 |
| 2013 | 4,475 | 95.0% | 7,162 |
| 2014 | 4,202.5 | 89.3% | 7,178 |
| 2015 | 4,148.3 | 88.1% | 7,615 |
| 2016 | 3,939.6 | 83.4% | 7,519 |
| 2017 | 3,218.8 | 68.4% | 7,296 |
| 2018 | 3,963.8 | 84.2% | 7,313 |
| 2019 | 2,401.8 | 49.6% | 7,354 |
| 2020 | 2,165.2 | 41.0% | 7,152 |
| 2021 | 4,264.8 | 80.9% | 7,111 |
| 2022 | 4,295.5 | 81.5% | 7,156 |
| 2023 | 4,392.3 | 83.3% | 7,149 |
| 2024 | 3,984.5 | 75.4% | 7,244 |
| 2025 | 4,484.9 | 85.1% | 7,204 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| G1 | Natural Gas Fired Combined Cycle | CT | 211.5 | 195.3 | May 2004 | Operating | — | coming soon |
| G2 | Natural Gas Fired Combined Cycle | CT | 211.5 | 191.3 | May 2004 | Operating | — | coming soon |
| G3 | Natural Gas Fired Combined Cycle | CA | 228.6 | 215 | May 2004 | Operating | — | coming soon |
Owner / operator
Operator: Lower Mount Bethel Energy LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Lower Mount Bethel Project Company LLC | 100.0% | 652 MW |
Nearby plants
Within 80 km.
| TalenEnergy Martins Creek | 1,701 MW | 0.5 km |
| Warren County Solar | 2 MW | 1.4 km |
| Foul Rift Solar Farm | 15 MW | 1.5 km |
| DSM Nutritional Products Solar | 10 MW | 5.3 km |
| DSM Solar | 5 MW | 5.9 km |
| Harmony | 3 MW | 7.4 km |