Bethlehem Power Plant
Natural gas power plant in Northampton County, Pennsylvania. 1,153 MW of nameplate capacity across 8 generators, operated by Calpine Bethlehem LLC.
Also known as Calpine Bethlehem Energy Center · EIA plant 55690
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,153 MWNameplate
- Generators
- 8 operatingEIA-860M, August 2026
- Operating since
- December 2002First generator online
- Operator
- Calpine Bethlehem LLCEIA operator ID 56607
- Grid
- PJMBalancing authority PJM
- Price nodes
- 8 PJM nodesResource nodes with prices
- Location
- Northampton County, PA40.6175, −75.3147
- EIA plant ID
- 55690EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Bethlehem produces
Free · EIA-923Net generation, 2025
5.82 TWh
5,821,151 MWh, final
Capacity factor, 2025
57.6%
2024: 58.6%
January to July 2026
3.72 TWh
Provisional
Range, 2015 to 2025
3.5–6.0
TWh a year. Low 2021, high 2023
| 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 | 919,587 | Not reported | 12 of 12 |
| 2005 | 1,291,725 | Not reported | 12 of 12 |
| 2006 | 1,009,027 | Not reported | 12 of 12 |
| 2007 | 1,764,955 | Not reported | 12 of 12 |
| 2008 | 513,988 | Not reported | 6 of 12 |
| 2009 | 1,320,367 | Not reported | 12 of 12 |
| 2010 | 2,791,505 | 24.5% | 12 of 12 |
| 2011 | 4,105,302 | 36.0% | 12 of 12 |
| 2012 | 5,811,660 | 50.9% | 12 of 12 |
| 2013 | 4,869,808 | Not reported | 12 of 12 |
| 2014 | 4,702,962 | 41.3% | 12 of 12 |
| 2015 | 5,327,292 | Not reported | 12 of 12 |
| 2016 | 5,343,009 | 52.8% | 12 of 12 |
| 2017 | 4,797,668 | 47.5% | 12 of 12 |
| 2018 | 4,159,649 | 41.2% | 12 of 12 |
| 2019 | 4,721,993 | 46.8% | 12 of 12 |
| 2020 | 5,602,149 | 55.3% | 12 of 12 |
| 2021 | 3,497,080 | 34.6% | 12 of 12 |
| 2022 | 4,361,800 | 43.2% | 12 of 12 |
| 2023 | 5,991,454 | 59.3% | 12 of 12 |
| 2024 | 5,938,142 | 58.6% | 12 of 12 |
| 2025 | 5,821,151 | 57.6% | 12 of 12 |
| 2026 (provisional, partial year) | 3,722,996 | 63.5% | 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
2.83M
US short tons. 2024: 2.85M
SO₂, 2025
14
US short tons
NOx, 2025
100
US short tons
CO₂ per MWh, calculated
0.49 t
About 971 lb per MWh
6 of 6 EPA units reported CO₂ in 2025 (1, 2, 3, 5, 6, 7), matched to EIA plant 55690 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
1,795
million gallons
Consumption, 2024
1,306
million gallons
Source
Lehigh River
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.131
USGS SUI, HUC12 Saucon Creek
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 |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 127.0 | December 2002 |
| CTG2 | Natural Gas Fired Combined Cycle | 127.0 | December 2002 |
| CTG3 | Natural Gas Fired Combined Cycle | 127.0 | December 2002 |
| CTG5 | Natural Gas Fired Combined Cycle | 127.0 | January 2003 |
| CTG6 | Natural Gas Fired Combined Cycle | 127.0 | February 2003 |
| CTG7 | Natural Gas Fired Combined Cycle | 127.0 | April 2003 |
| STG4 | Natural Gas Fired Combined Cycle | 195.5 | May 2003 |
| STG8 | Natural Gas Fired Combined Cycle | 195.5 | December 2003 |
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 Calpine Bethlehem 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.
300 analyst questions a month, plus MCP
Query Bethlehem Power Plant and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Bethlehem
Questions about Bethlehem
How much power does Bethlehem Power Plant produce?
Bethlehem Power Plant reported 5,821,151 MWh (5.82 TWh) of net generation in 2025, a 57.6% capacity factor on 1,153 MW of nameplate capacity. From January to July 2026 it reported 3.72 TWh, which is provisional.
Where is Bethlehem Power Plant?
Bethlehem Power Plant is in Northampton County, Pennsylvania, at 40.6175, −75.3147. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Bethlehem Power Plant?
EIA-860M for August 2026 lists Calpine Bethlehem LLC as the operator (EIA operator ID 56607). The operator is not always the owner.
When did Bethlehem Power Plant start operating?
Its first generator began operating in December 2002, according to EIA-860M.
Does InfraMap have power prices for Bethlehem Power Plant?
Yes. InfraMap has PJM day-ahead and real-time prices at 8 price nodes linked to Bethlehem Power Plant, 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