Clairton Works
Natural gas power plant in Allegheny County, Pennsylvania. 31 MW of nameplate capacity across 2 generators, operated by United States Steel- Clairton.
Also known as Clairton Works Power Plant · EIA plant 50729
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 31 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- January 1955First generator online
- Operator
- United States Steel- ClairtonEIA operator ID 19517
- Grid
- PJMBalancing authority PJM
- Price nodes
- None linkedNo verified ISO node
- Location
- Allegheny County, PA40.3097, −79.8819
- EIA plant ID
- 50729EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Clairton Works produces
Free · EIA-923Net generation, 2025
124 GWh
124,097 MWh, final
Capacity factor, 2025
45.7%
2024: 44.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
109.4–164.8
GWh a year. Low 2023, high 2016
| 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 | 125,028 | Not reported | 12 of 12 |
| 2003 | 108,115 | Not reported | 12 of 12 |
| 2004 | 129,270 | Not reported | 12 of 12 |
| 2005 | 128,139 | Not reported | 12 of 12 |
| 2006 | 124,592 | Not reported | 12 of 12 |
| 2007 | 105,048 | Not reported | 12 of 12 |
| 2008 | 118,566 | Not reported | 12 of 12 |
| 2009 | 97,970 | Not reported | 12 of 12 |
| 2010 | 92,798 | 34.2% | 12 of 12 |
| 2011 | 118,560 | 43.7% | 12 of 12 |
| 2012 | 131,344 | 48.2% | 12 of 12 |
| 2013 | 162,547 | 59.9% | 12 of 12 |
| 2014 | 174,088 | 64.1% | 12 of 12 |
| 2015 | 150,408 | 55.4% | 12 of 12 |
| 2016 | 164,797 | 60.5% | 12 of 12 |
| 2017 | 129,244 | 47.6% | 12 of 12 |
| 2018 | 129,244 | 47.6% | 12 of 12 |
| 2019 | 141,806 | 52.2% | 12 of 12 |
| 2020 | 110,130 | 40.4% | 12 of 12 |
| 2021 | 110,130 | 40.6% | 12 of 12 |
| 2022 | 128,048 | 47.2% | 12 of 12 |
| 2023 | 109,369 | 40.3% | 12 of 12 |
| 2024 | 120,941 | 44.4% | 12 of 12 |
| 2025 | 124,097 | 45.7% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GEN1 | Other Gases | 21.0 | January 1955 |
| GEN3 | Other Gases | 10.0 | January 1955 |
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 United States Steel- Clairton 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 Clairton Works
How much power does Clairton Works produce?
Clairton Works reported 124,097 MWh (124 GWh) of net generation in 2025, a 45.7% capacity factor on 31 MW of nameplate capacity.
Where is Clairton Works?
Clairton Works is in Allegheny County, Pennsylvania, at 40.3097, −79.8819. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Clairton Works?
EIA-860M for August 2026 lists United States Steel- Clairton as the operator (EIA operator ID 19517). The operator is not always the owner.
When did Clairton Works start operating?
Its first generator began operating in January 1955, according to EIA-860M.
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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page