Lower Mount Bethel Energy
Natural gas power plant in Northampton County, Pennsylvania. 651.6 MW of nameplate capacity across 3 generators, operated by Lower Mount Bethel Energy LLC.
Also known as Lower Mount Bethel PPL Plant · EIA plant 55667
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Key facts
- Capacity
- 651.6 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- May 2004First generator online
- Operator
- Lower Mount Bethel Energy LLCEIA operator ID 11275
- Grid
- PJMBalancing authority PJM
- Price nodes
- 3 PJM nodesResource nodes with prices
- Location
- Northampton County, PA40.8019, −75.1076
- EIA plant ID
- 55667EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Lower Mount Bethel Energy produces
Free · EIA-923Net generation, 2025
4.48 TWh
4,484,858 MWh, final
Capacity factor, 2025
78.6%
2024: 69.6%
January to July 2026
2.57 TWh
Provisional
Range, 2016 to 2025
2.2–4.5
TWh a year. Low 2020, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | 366,856 | Not reported | 8 of 12 |
| 2005 | 757,839 | Not reported | 12 of 12 |
| 2006 | 913,547 | Not reported | 12 of 12 |
| 2007 | 1,219,925 | Not reported | 12 of 12 |
| 2008 | 1,933,631 | Not reported | 12 of 12 |
| 2009 | 2,099,815 | Not reported | 12 of 12 |
| 2010 | 2,846,017 | 49.4% | 12 of 12 |
| 2011 | 630,195 | Not reported | 2 of 12 |
| 2012 | 3,351,741 | 58.6% | 12 of 12 |
| 2013 | 4,474,958 | Not reported | 12 of 12 |
| 2014 | 4,202,458 | 73.6% | 12 of 12 |
| 2015 | 3,906,970 | 74.8% | 11 of 12 |
| 2016 | 3,939,644 | 68.8% | 12 of 12 |
| 2017 | 3,218,755 | 56.4% | 12 of 12 |
| 2018 | 3,963,848 | 69.4% | 12 of 12 |
| 2019 | 2,401,811 | Not reported | 12 of 12 |
| 2020 | 2,165,186 | 37.8% | 12 of 12 |
| 2021 | 4,264,758 | 74.7% | 12 of 12 |
| 2022 | 4,295,460 | 75.3% | 12 of 12 |
| 2023 | 4,392,264 | 76.9% | 12 of 12 |
| 2024 | 3,984,510 | 69.6% | 12 of 12 |
| 2025 | 4,484,858 | 78.6% | 12 of 12 |
| 2026 (provisional, partial year) | 2,574,721 | 77.7% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · PJMEmissions
Free · EPA CAMPDCO₂, 2025
1.85M
US short tons. 2024: 1.67M
SO₂, 2025
9
US short tons
NOx, 2025
121
US short tons
CO₂ per MWh, calculated
0.41 t
About 827 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (CT01, CT02), matched to EIA plant 55667 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
854
million gallons
Consumption, 2024
737
million gallons
Source
Delaware River
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.121
USGS SUI, HUC12 Buckhorn Creek-Delaware River
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| G1 | Natural Gas Fired Combined Cycle | 211.5 | May 2004 |
| G2 | Natural Gas Fired Combined Cycle | 211.5 | May 2004 |
| G3 | Natural Gas Fired Combined Cycle | 228.6 | May 2004 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Lower Mount Bethel Energy LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Lower Mount Bethel Energy
How much power does Lower Mount Bethel Energy produce?
Lower Mount Bethel Energy reported 4,484,858 MWh (4.48 TWh) of net generation in 2025, a 78.6% capacity factor on 651.6 MW of nameplate capacity. From January to July 2026 it reported 2.57 TWh, which is provisional.
Where is Lower Mount Bethel Energy?
Lower Mount Bethel Energy is in Northampton County, Pennsylvania, at 40.8019, −75.1076. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Lower Mount Bethel Energy?
EIA-860M for August 2026 lists Lower Mount Bethel Energy LLC as the operator (EIA operator ID 11275). The operator is not always the owner.
When did Lower Mount Bethel Energy start operating?
Its first generator began operating in May 2004, according to EIA-860M.
Does InfraMap have power prices for Lower Mount Bethel Energy?
Yes. InfraMap has PJM day-ahead and real-time prices at 3 price nodes linked to Lower Mount Bethel Energy, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page