Ontelaunee Energy Center
Natural gas power plant in Berks County, Pennsylvania. 728 MW of nameplate capacity across 3 generators, operated by Ontelaunee Energy Center.
Also known as EIA plant 55193
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 728 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- May 2002First generator online
- Operator
- Ontelaunee Energy CenterEIA operator ID 55649
- Grid
- PJMBalancing authority PJM
- Price nodes
- 3 PJM nodesResource nodes with prices
- Location
- Berks County, PA40.4219, −75.9356
- EIA plant ID
- 55193EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Ontelaunee produces
Free · EIA-923Net generation, 2025
4.11 TWh
4,114,446 MWh, final
Capacity factor, 2025
64.5%
2024: 56.7%
January to July 2026
1.91 TWh
Provisional
Range, 2015 to 2025
3.6–4.4
TWh a year. Low 2024, high 2021
| 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 | 1,343,275 | Not reported | 12 of 12 |
| 2005 | 807,509 | Not reported | 12 of 12 |
| 2006 | 1,325,478 | Not reported | 12 of 12 |
| 2007 | 1,149,852 | Not reported | 12 of 12 |
| 2008 | 52,214 | Not reported | 1 of 12 |
| 2009 | 2,364,550 | Not reported | 12 of 12 |
| 2010 | 2,240,523 | 35.1% | 12 of 12 |
| 2011 | 2,692,760 | 42.2% | 12 of 12 |
| 2012 | 3,396,665 | 53.1% | 12 of 12 |
| 2013 | 2,394,771 | Not reported | 12 of 12 |
| 2014 | 2,503,963 | 39.3% | 12 of 12 |
| 2015 | 4,088,379 | 64.1% | 12 of 12 |
| 2016 | 4,176,193 | Not reported | 12 of 12 |
| 2017 | 4,263,945 | 66.9% | 12 of 12 |
| 2018 | 4,073,547 | 63.9% | 12 of 12 |
| 2019 | 3,930,943 | 61.6% | 12 of 12 |
| 2020 | 3,992,840 | Not reported | 12 of 12 |
| 2021 | 4,424,890 | 69.4% | 12 of 12 |
| 2022 | 4,169,847 | 65.4% | 12 of 12 |
| 2023 | 4,166,082 | 65.3% | 12 of 12 |
| 2024 | 3,625,703 | 56.7% | 12 of 12 |
| 2025 | 4,114,446 | 64.5% | 12 of 12 |
| 2026 (provisional, partial year) | 1,907,634 | 51.5% | 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
1.76M
US short tons. 2024: 1.52M
SO₂, 2025
9
US short tons
NOx, 2025
98
US short tons
CO₂ per MWh, calculated
0.43 t
About 854 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (CT1, CT2), matched to EIA plant 55193 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
841
million gallons
Consumption, 2024
746
million gallons
Source
Municiple
Other, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.151
USGS SUI, HUC12 Laurel Run-Schuylkill River
12 of 12 cooling months report withdrawal. SUI of the HUC12 containing the plant. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 250.0 | May 2002 |
| CTG2 | Natural Gas Fired Combined Cycle | 250.0 | May 2002 |
| STG | Natural Gas Fired Combined Cycle | 228.0 | May 2002 |
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 Ontelaunee Energy Center 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 Ontelaunee
How much power does Ontelaunee Energy Center produce?
Ontelaunee Energy Center reported 4,114,446 MWh (4.11 TWh) of net generation in 2025, a 64.5% capacity factor on 728 MW of nameplate capacity. From January to July 2026 it reported 1.91 TWh, which is provisional.
Where is Ontelaunee Energy Center?
Ontelaunee Energy Center is in Berks County, Pennsylvania, at 40.4219, −75.9356. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Ontelaunee Energy Center?
EIA-860M for August 2026 lists Ontelaunee Energy Center as the operator (EIA operator ID 55649). The operator is not always the owner.
When did Ontelaunee Energy Center start operating?
Its first generator began operating in May 2002, according to EIA-860M.
Does InfraMap have power prices for Ontelaunee Energy Center?
Yes. InfraMap has PJM day-ahead and real-time prices at 3 price nodes linked to Ontelaunee Energy Center, 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
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page