Mon Valley Works
Allegheny County, Pennsylvania · EIA plant ID 50732 · Operator: United States Steel-Mon Valley
Nameplate53MWSummer 62 MW
Generators3in service
Net generation483GWh12 mo to Dec 2025
Capacity factor89%gas/coal/oil units, summer MW
Heat rate4,431Btu/kWhfossil units, electric fuel, HHV
First online1943Runs as baseload
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 358.7 | 73.1% | 14,149 |
| 2002 | 396.9 | 78.5% | 16,134 |
| 2003 | 408.3 | 80.5% | 18,121 |
| 2004 | 414 | 81.4% | 18,121 |
| 2005 | 379.2 | 74.8% | 18,121 |
| 2006 | 377 | 74.3% | 18,121 |
| 2007 | 379.5 | 74.8% | 18,121 |
| 2008 | 395.2 | 77.7% | 18,000 |
| 2009 | 318.6 | 62.8% | 18,153 |
| 2010 | 367.3 | 72.4% | 18,092 |
| 2011 | 426.2 | 84.0% | 17,882 |
| 2012 | 405.8 | 79.8% | 17,980 |
| 2013 | 437.5 | 86.3% | 17,998 |
| 2014 | 256.8 | 50.6% | 17,829 |
| 2015 | 225.4 | 44.4% | 17,976 |
| 2016 | 323.9 | 63.7% | 4,481 |
| 2017 | 282.3 | 52.1% | 4,475 |
| 2018 | 345.5 | 63.7% | 4,483 |
| 2019 | 398.5 | 73.5% | 4,423 |
| 2020 | 466.2 | 85.7% | 4,412 |
| 2021 | 450.5 | 83.1% | 4,414 |
| 2022 | 416.2 | 76.8% | 4,422 |
| 2023 | 473.7 | 87.4% | 4,410 |
| 2024 | 430.7 | 79.2% | 4,411 |
| 2025 | 483.2 | 89.1% | 4,431 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Other Gases | ST | 25 | 30 | Jun 1943 | Operating | — | coming soon |
| GEN2 | Other Gases | ST | 25 | 30 | Jun 1943 | Operating | — | coming soon |
| GEN3 | Other Gases | ST | 2.5 | 1.9 | Feb 2002 | Operating | — | coming soon |
Owner / operator
Operator: United States Steel-Mon Valley. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| United States Steel-Mon Valley | 100.0% | 53 MW |
Nearby plants
Within 80 km.
| Braddock Lock and Dam | — | 0.5 km |
| Clairton Works | 31 MW | 9.5 km |
| Ohara CSG 1 LLC | 3 MW | 10.6 km |
| PPG Monroeville Chemicals Center | 1 MW | 12 km |
| ECP Uptown Campus | 6 MW | 12.2 km |
| CW Bill Young Hydropower Project | — | 16.8 km |