Davis Besse
Nuclear power plant in Ottawa County, Ohio. 925.2 MW of nameplate capacity across 1 generator, operated by Energy Harbor Nuclear Generation LLC.
Also known as Davis-Besse Nuclear Power Station · EIA plant 6149
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 925.2 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- November 1977First generator online
- Operator
- Energy Harbor Nuclear Generation LLCEIA operator ID 64225
- Grid
- PJMBalancing authority PJM
- Price nodes
- 1 PJM nodeResource nodes with prices
- Location
- Ottawa County, OH41.5967, −83.0861
- EIA plant ID
- 6149EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Davis Besse produces
Free · EIA-923Net generation, 2025
7.79 TWh
7,791,875 MWh, final
Capacity factor, 2025
96.1%
2024: 90.7%
January to July 2026
3.91 TWh
Provisional
Range, 2015 to 2025
6.4–8.0
TWh a year. Low 2016, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 6,695,701 | Not reported | 12 of 12 |
| 2001 | 7,684,318 | Not reported | 12 of 12 |
| 2002 | 890,092 | Not reported | 12 of 12 |
| 2003 | −70,160 | Not reported | 12 of 12 |
| 2004 | 5,722,795 | Not reported | 12 of 12 |
| 2005 | 7,156,085 | Not reported | 12 of 12 |
| 2006 | 6,371,566 | Not reported | 12 of 12 |
| 2007 | 7,705,802 | Not reported | 12 of 12 |
| 2008 | 6,823,285 | Not reported | 12 of 12 |
| 2009 | 7,609,612 | Not reported | 12 of 12 |
| 2010 | 5,185,092 | 64.0% | 12 of 12 |
| 2011 | 6,328,897 | 78.1% | 12 of 12 |
| 2012 | 7,113,892 | 87.5% | 12 of 12 |
| 2013 | 7,679,828 | 94.8% | 12 of 12 |
| 2014 | 5,829,169 | 71.9% | 12 of 12 |
| 2015 | 7,893,891 | 97.4% | 12 of 12 |
| 2016 | 6,394,136 | 78.7% | 12 of 12 |
| 2017 | 7,875,413 | 97.2% | 12 of 12 |
| 2018 | 7,380,271 | 91.1% | 12 of 12 |
| 2019 | 7,837,459 | 96.7% | 12 of 12 |
| 2020 | 7,228,063 | 88.9% | 12 of 12 |
| 2021 | 7,779,141 | 96.0% | 12 of 12 |
| 2022 | 6,492,333 | 80.1% | 12 of 12 |
| 2023 | 7,985,728 | 98.5% | 12 of 12 |
| 2024 | 7,368,124 | 90.7% | 12 of 12 |
| 2025 | 7,791,875 | 96.1% | 12 of 12 |
| 2026 (provisional, partial year) | 3,907,385 | 83.0% | 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 CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
15,350
million gallons
Consumption, 2024
4,373
million gallons
Source
Lake Erie
Surface, Fresh. Natural-draft tower
Watershed stress
Very low/none · 0.143
USGS SUI, HUC12 Lower Toussaint Creek
12 of 12 cooling months report withdrawal. Great Lakes intake; a shoreline HUC12 does not describe the lake; not tested. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Nuclear | 925.2 | November 1977 |
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 Energy Harbor Nuclear Generation 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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Power plants near Davis Besse
More plants operated by Energy Harbor Nuclear Generation LLC
Questions about Davis Besse
How much power does Davis Besse produce?
Davis Besse reported 7,791,875 MWh (7.79 TWh) of net generation in 2025, a 96.1% capacity factor on 925.2 MW of nameplate capacity. From January to July 2026 it reported 3.91 TWh, which is provisional.
Where is Davis Besse?
Davis Besse is in Ottawa County, Ohio, at 41.5967, −83.0861. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Davis Besse?
EIA-860M for August 2026 lists Energy Harbor Nuclear Generation LLC as the operator (EIA operator ID 64225). The operator is not always the owner.
When did Davis Besse start operating?
Its first generator began operating in November 1977, according to EIA-860M.
Does InfraMap have power prices for Davis Besse?
Yes. InfraMap has PJM day-ahead and real-time prices at 1 price node linked to Davis Besse, 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)
- 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