Guernsey Power Station
Natural gas power plant in Guernsey County, Ohio. 2,055 MW of nameplate capacity across 3 generators, operated by Guernsey Power Station LLC.
Also known as Guernsey Power Plant · EIA plant 62949
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Key facts
- Capacity
- 2,055 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- February 2023First generator online
- Operator
- Guernsey Power Station LLCEIA operator ID 62806
- Grid
- PJMBalancing authority PJM
- Price nodes
- 3 PJM nodesResource nodes with prices
- Location
- Guernsey County, OH39.9364, −81.5354
- EIA plant ID
- 62949EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Guernsey produces
Free · EIA-923Net generation, 2025
11.3 TWh
11,309,051 MWh, final
Capacity factor, 2025
62.8%
2024: 64.3%
January to July 2026
7.59 TWh
Provisional
Range, 2024 to 2025
11.3–11.6
TWh a year. Low 2025, high 2024
| 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 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | 8,154,972 | Not reported | 11 of 12 |
| 2024 | 11,615,196 | 64.3% | 12 of 12 |
| 2025 | 11,309,051 | 62.8% | 12 of 12 |
| 2026 (provisional, partial year) | 7,585,411 | 72.5% | 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
4.33M
US short tons. 2024: 4.43M
SO₂, 2025
22
US short tons
NOx, 2025
195
US short tons
CO₂ per MWh, calculated
0.38 t
About 765 lb per MWh
3 of 3 EPA units reported CO₂ in 2025 (P001, P002, P003), matched to EIA plant 62949 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
Not reported
million gallons as reported; not used, see note
Consumption, 2024
Not reported
million gallons
Source
Not reported
Watershed stress
Very low/none · 0.164
USGS SUI, HUC12 Trail Run-Wills Creek
0 of 36 cooling months report withdrawal. SUI of the HUC12 containing the plant. Consumption is below 5% of a large reported withdrawal, so the withdrawal is not used. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GPS1 | Natural Gas Fired Combined Cycle | 685.0 | February 2023 |
| GPS2 | Natural Gas Fired Combined Cycle | 685.0 | February 2023 |
| GPS3 | Natural Gas Fired Combined Cycle | 685.0 | April 2023 |
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 Guernsey Power Station 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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Questions about Guernsey
How much power does Guernsey Power Station produce?
Guernsey Power Station reported 11,309,051 MWh (11.3 TWh) of net generation in 2025, a 62.8% capacity factor on 2,055 MW of nameplate capacity. From January to July 2026 it reported 7.59 TWh, which is provisional.
Where is Guernsey Power Station?
Guernsey Power Station is in Guernsey County, Ohio, at 39.9364, −81.5354. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Guernsey Power Station?
EIA-860M for August 2026 lists Guernsey Power Station LLC as the operator (EIA operator ID 62806). The operator is not always the owner.
When did Guernsey Power Station start operating?
Its first generator began operating in February 2023, according to EIA-860M.
Does InfraMap have power prices for Guernsey Power Station?
Yes. InfraMap has PJM day-ahead and real-time prices at 3 price nodes linked to Guernsey 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