Peach Bottom
Nuclear power plant in York County, Pennsylvania. 2,876.4 MW of nameplate capacity across 2 generators, operated by Constellation Nuclear.
Also known as Peach Bottom Power Plant · EIA plant 3166
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2,876.4 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- July 1974First generator online
- Operator
- Constellation NuclearEIA operator ID 55951
- Grid
- PJMBalancing authority PJM
- Price nodes
- 2 PJM nodesResource nodes with prices
- Location
- York County, PA39.7589, −76.2687
- EIA plant ID
- 3166EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Peach Bottom produces
Free · EIA-923Net generation, 2025
21.9 TWh
21,944,008 MWh, final
Capacity factor, 2025
87.1%
2024: 86.4%
January to July 2026
13.3 TWh
Provisional
Range, 2015 to 2025
19.9–22.3
TWh a year. Low 2015, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 18,084,223 | Not reported | 12 of 12 |
| 2001 | 17,893,679 | Not reported | 12 of 12 |
| 2002 | 18,486,326 | Not reported | 12 of 12 |
| 2003 | 18,184,720 | Not reported | 12 of 12 |
| 2004 | 18,819,381 | Not reported | 12 of 12 |
| 2005 | 18,393,450 | Not reported | 12 of 12 |
| 2006 | 18,932,677 | Not reported | 12 of 12 |
| 2007 | 18,898,722 | Not reported | 12 of 12 |
| 2008 | 18,534,783 | Not reported | 12 of 12 |
| 2009 | 18,609,829 | Not reported | 12 of 12 |
| 2010 | 18,759,381 | Not reported | 12 of 12 |
| 2011 | 18,824,937 | 92.7% | 12 of 12 |
| 2012 | 18,806,022 | 92.3% | 12 of 12 |
| 2013 | 18,834,532 | Not reported | 12 of 12 |
| 2014 | 18,771,169 | 81.7% | 12 of 12 |
| 2015 | 19,858,302 | Not reported | 12 of 12 |
| 2016 | 21,875,435 | Not reported | 12 of 12 |
| 2017 | 21,722,543 | 89.1% | 12 of 12 |
| 2018 | 21,680,116 | Not reported | 12 of 12 |
| 2019 | 22,294,385 | 88.5% | 12 of 12 |
| 2020 | 21,792,334 | 86.3% | 12 of 12 |
| 2021 | 22,268,244 | 88.4% | 12 of 12 |
| 2022 | 22,183,803 | 88.0% | 12 of 12 |
| 2023 | 22,197,093 | 88.1% | 12 of 12 |
| 2024 | 21,838,861 | 86.4% | 12 of 12 |
| 2025 | 21,944,008 | 87.1% | 12 of 12 |
| 2026 (provisional, partial year) | 13,321,069 | 91.0% | 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
805,865
million gallons
Consumption, 2024
7,863
million gallons
Source
Conowingo Pond
Surface, Fresh. Once-through
Watershed stress
Very low/none · 0.123
USGS SUI, HUC12 Fishing Creek-Susquehanna 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 |
|---|---|---|---|
| 2 | Nuclear | 1,499.4 | July 1974 |
| 3 | Nuclear | 1,377.0 | 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 Constellation Nuclear 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.
300 analyst questions a month, plus MCP
Query Peach Bottom and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Peach Bottom
More plants operated by Constellation Nuclear
Questions about Peach Bottom
How much power does Peach Bottom produce?
Peach Bottom reported 21,944,008 MWh (21.9 TWh) of net generation in 2025, a 87.1% capacity factor on 2,876.4 MW of nameplate capacity. From January to July 2026 it reported 13.3 TWh, which is provisional.
Where is Peach Bottom?
Peach Bottom is in York County, Pennsylvania, at 39.7589, −76.2687. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Peach Bottom?
EIA-860M for August 2026 lists Constellation Nuclear as the operator (EIA operator ID 55951). The operator is not always the owner.
When did Peach Bottom start operating?
Its first generator began operating in July 1974, according to EIA-860M.
Does InfraMap have power prices for Peach Bottom?
Yes. InfraMap has PJM day-ahead and real-time prices at 2 price nodes linked to Peach Bottom, 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