FirstEnergy Harrison Power Station
Harrison County, West Virginia · EIA plant ID 3944 · Operator: Monongahela Power Co
Nameplate2,052MWSummer 1,954 MW
Generators3in service
Net generation11,330GWh12 mo to Aug 2026
Capacity factor66%gas/coal/oil units, summer MW
Heat rate10,307Btu/kWhfossil units, electric fuel, HHV
First online1972Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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 | 12,681.8 | 75.4% | 9,956 |
| 2002 | 12,927.4 | 76.3% | 9,901 |
| 2003 | 11,822.4 | 69.8% | 10,040 |
| 2004 | 13,584.3 | 80.0% | 10,013 |
| 2005 | 13,212.1 | 78.0% | 9,930 |
| 2006 | 13,773.1 | 80.8% | 10,111 |
| 2007 | 13,796.5 | 80.6% | 10,019 |
| 2008 | 13,278.5 | 77.4% | 9,957 |
| 2009 | 10,063.6 | 58.8% | 10,124 |
| 2010 | 12,584.3 | 73.5% | 10,004 |
| 2011 | 11,089.9 | 64.8% | 10,020 |
| 2012 | 10,008.2 | 58.3% | 10,045 |
| 2013 | 12,706.9 | 74.2% | 9,901 |
| 2014 | 12,845.6 | 75.0% | 10,060 |
| 2015 | 11,270 | 65.8% | 10,428 |
| 2016 | 12,890.2 | 75.1% | 10,179 |
| 2017 | 13,043 | 76.2% | 10,064 |
| 2018 | 13,251 | 77.4% | 10,008 |
| 2019 | 12,894.2 | 75.3% | 10,135 |
| 2020 | 10,879.7 | 63.4% | 10,113 |
| 2021 | 11,494.2 | 67.2% | 10,067 |
| 2022 | 12,058.1 | 70.5% | 10,097 |
| 2023 | 11,192.7 | 65.4% | 10,274 |
| 2024 | 10,618.2 | 61.9% | 10,240 |
| 2025 | 10,755.1 | 62.8% | 10,273 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Steam Coal | ST | 684 | 652 | Dec 1972 | Operating | — | coming soon |
| 2 | Conventional Steam Coal | ST | 684 | 651 | Dec 1973 | Operating | — | coming soon |
| 3 | Conventional Steam Coal | ST | 684 | 651 | Dec 1974 | Operating | — | coming soon |
Owner / operator
Operator: Monongahela Power Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Monongahela Power Co | 100.0% | 2,052 MW |
Nearby plants
Within 80 km.
| ESC Harrison County Power | — | 10.8 km |
| Grant Town Power Plant | 96 MW | 24.5 km |
| Rivesville Solar | 6 MW | 26.7 km |
| Tygart Hydropower | — | 30.2 km |
| Opekiska L&D Hydroelectric Project | — | 31.4 km |
| Morgantown L&D Hydroelectric Project | — | 40.8 km |