Conemaugh
Coal power plant in Indiana County, Pennsylvania. 1,951 MW of nameplate capacity across 2 generators, operated by KeyCon Operating LLC.
Also known as Conemaugh Generating Station · EIA plant 3118
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Key facts
- Capacity
- 1,951 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- May 1970First generator online
- Operator
- KeyCon Operating LLCEIA operator ID 63047
- Grid
- PJMBalancing authority PJM
- Price nodes
- 2 PJM nodesResource nodes with prices
- Location
- Indiana County, PA40.3842, −79.0611
- EIA plant ID
- 3118EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Conemaugh produces
Free · EIA-923Net generation, 2025
3.91 TWh
3,910,290 MWh, final
Capacity factor, 2025
22.7%
2024: 20.8%
January to July 2026
2.96 TWh
Provisional
Range, 2020 to 2025
2.9–7.5
TWh a year. Low 2023, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 12,112,924 | Not reported | 12 of 12 |
| 2001 | 12,735,356 | Not reported | 12 of 12 |
| 2002 | 12,656,276 | Not reported | 12 of 12 |
| 2003 | 12,422,421 | Not reported | 11 of 12 |
| 2004 | 13,024,335 | Not reported | 12 of 12 |
| 2005 | 12,942,074 | Not reported | 12 of 12 |
| 2006 | 14,290,006 | Not reported | 12 of 12 |
| 2007 | 12,956,157 | Not reported | 12 of 12 |
| 2008 | 11,474,911 | Not reported | 12 of 12 |
| 2009 | 12,155,841 | Not reported | 12 of 12 |
| 2010 | 12,162,111 | 73.7% | 12 of 12 |
| 2011 | 2,286,465 | Not reported | 2 of 12 |
| 2012 | 3,044,607 | 74.0% | 3 of 12 |
| 2013 | 2,282,269 | 81.4% | 2 of 12 |
| 2014 | 1,187,887 | 87.6% | 1 of 12 |
| 2015 | 1,900,742 | 70.1% | 2 of 12 |
| 2016 | 878,617 | 67.0% | 1 of 12 |
| 2017 | 1,175,067 | 83.8% | 1 of 12 |
| 2018 | 1,210,888 | Not reported | 1 of 12 |
| 2019 | 2,076,205 | 71.1% | 2 of 12 |
| 2020 | 7,530,024 | Not reported | 12 of 12 |
| 2021 | 7,263,164 | 42.2% | 12 of 12 |
| 2022 | 5,715,098 | Not reported | 12 of 12 |
| 2023 | 2,859,335 | 16.6% | 12 of 12 |
| 2024 | 3,586,738 | 20.8% | 12 of 12 |
| 2025 | 3,910,290 | 22.7% | 12 of 12 |
| 2026 (provisional, partial year) | 2,958,838 | 29.6% | 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
4.17M
US short tons. 2024: 3.83M
SO₂, 2025
1,729
US short tons
NOx, 2025
1,348
US short tons
CO₂ per MWh, calculated
1.07 t
About 2,134 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (1, 2), matched to EIA plant 3118 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
4,277
million gallons
Consumption, 2024
3,666
million gallons
Source
Conemaugh River
Surface, Fresh. Natural-draft tower
Watershed stress
Very low/none · 0.166
USGS SUI, HUC12 Baldwin Creek-Conemaugh River
24 of 24 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 |
|---|---|---|---|
| 1 | Conventional Steam Coal | 975.5 | May 1970 |
| 2 | Conventional Steam Coal | 975.5 | May 1971 |
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 KeyCon Operating 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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Power plants near Conemaugh
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Questions about Conemaugh
How much power does Conemaugh produce?
Conemaugh reported 3,910,290 MWh (3.91 TWh) of net generation in 2025, a 22.7% capacity factor on 1,951 MW of nameplate capacity. From January to July 2026 it reported 2.96 TWh, which is provisional.
Where is Conemaugh?
Conemaugh is in Indiana County, Pennsylvania, at 40.3842, −79.0611. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Conemaugh?
EIA-860M for August 2026 lists KeyCon Operating LLC as the operator (EIA operator ID 63047). The operator is not always the owner.
When did Conemaugh start operating?
Its first generator began operating in May 1970, according to EIA-860M.
Does InfraMap have power prices for Conemaugh?
Yes. InfraMap has PJM day-ahead and real-time prices at 2 price nodes linked to Conemaugh, 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