FirstEnergy Harrison Power Station
Coal power plant in Harrison County, West Virginia. 2,052 MW of nameplate capacity across 3 generators, operated by Monongahela Power Co.
Also known as Harrison Power Station · EIA plant 3944
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Key facts
- Capacity
- 2,052 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- December 1972First generator online
- Operator
- Monongahela Power CoEIA operator ID 12796
- Grid
- PJMBalancing authority PJM
- Price nodes
- 3 PJM nodesResource nodes with prices
- Location
- Harrison County, WV39.3842, −80.3325
- EIA plant ID
- 3944EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power FirstEnergy Harrison produces
Free · EIA-923Net generation, 2025
10.8 TWh
10,755,095 MWh, final
Capacity factor, 2025
Not reported
2024: 58.9%
January to July 2026
6.78 TWh
Provisional
Range, 2015 to 2025
10.6–13.3
TWh a year. Low 2024, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 13,542,618 | Not reported | 12 of 12 |
| 2001 | 12,681,820 | Not reported | 12 of 12 |
| 2002 | 12,927,422 | Not reported | 12 of 12 |
| 2003 | 11,822,351 | Not reported | 12 of 12 |
| 2004 | 13,584,254 | Not reported | 12 of 12 |
| 2005 | 13,212,140 | Not reported | 12 of 12 |
| 2006 | 13,773,139 | Not reported | 12 of 12 |
| 2007 | 13,796,514 | Not reported | 12 of 12 |
| 2008 | 9,080,769 | Not reported | 8 of 12 |
| 2009 | 4,919,274 | Not reported | 5 of 12 |
| 2010 | 12,584,307 | 70.0% | 12 of 12 |
| 2011 | 5,260,497 | 59.0% | 6 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | 12,706,892 | 70.7% | 12 of 12 |
| 2014 | 8,121,723 | 67.3% | 8 of 12 |
| 2015 | 11,269,955 | 62.7% | 12 of 12 |
| 2016 | 12,890,172 | 71.5% | 12 of 12 |
| 2017 | 13,043,034 | 72.6% | 12 of 12 |
| 2018 | 13,251,012 | 73.7% | 12 of 12 |
| 2019 | 12,894,205 | 71.7% | 12 of 12 |
| 2020 | 10,879,715 | Not reported | 12 of 12 |
| 2021 | 1,098,626 | 79.7% | 1 of 12 |
| 2022 | 12,058,137 | 67.1% | 12 of 12 |
| 2023 | 11,192,671 | 62.3% | 12 of 12 |
| 2024 | 10,618,152 | 58.9% | 12 of 12 |
| 2025 | 10,755,095 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | 6,782,198 | Not reported | 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
11.50M
US short tons. 2024: 10.98M
SO₂, 2025
18,622
US short tons
NOx, 2025
5,247
US short tons
CO₂ per MWh, calculated
1.07 t
About 2,139 lb per MWh
3 of 3 EPA units reported CO₂ in 2025 (1, 2, 3), matched to EIA plant 3944 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
7,343
million gallons
Consumption, 2024
3,363
million gallons
Source
West Fork River
Surface, Fresh. Natural-draft tower
Watershed stress
Very low/none · 0.187
USGS SUI, HUC12 Limestone Run-West Fork 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 |
|---|---|---|---|
| 1 | Conventional Steam Coal | 684.0 | December 1972 |
| 2 | Conventional Steam Coal | 684.0 | December 1973 |
| 3 | Conventional Steam Coal | 684.0 | December 1974 |
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 Monongahela Power Co 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 FirstEnergy Harrison
How much power does FirstEnergy Harrison Power Station produce?
FirstEnergy Harrison Power Station reported 10,755,095 MWh (10.8 TWh) of net generation in 2025. From January to July 2026 it reported 6.78 TWh, which is provisional.
Where is FirstEnergy Harrison Power Station?
FirstEnergy Harrison Power Station is in Harrison County, West Virginia, at 39.3842, −80.3325. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates FirstEnergy Harrison Power Station?
EIA-860M for August 2026 lists Monongahela Power Co as the operator (EIA operator ID 12796). The operator is not always the owner.
When did FirstEnergy Harrison Power Station start operating?
Its first generator began operating in December 1972, according to EIA-860M.
Does InfraMap have power prices for FirstEnergy Harrison Power Station?
Yes. InfraMap has PJM day-ahead and real-time prices at 3 price nodes linked to FirstEnergy Harrison Power Station, 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