Clinton Power Station
Nuclear power plant in DeWitt County, Illinois. 1,138.3 MW of nameplate capacity across 1 generator, operated by Constellation Nuclear.
Also known as Clinton Clean Energy Center · Clinton Power Plant · EIA plant 204
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,138.3 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- November 1987First generator online
- Operator
- Constellation NuclearEIA operator ID 55951
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- DeWitt County, IL40.1719, −88.8339
- EIA plant ID
- 204EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Clinton produces
Free · EIA-923Net generation, 2025
8.34 TWh
8,337,539 MWh, final
Capacity factor, 2025
83.6%
2024: 95.8%
January to July 2026
5.55 TWh
Provisional
Range, 2015 to 2025
8.1–9.6
TWh a year. Low 2023, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 6,914,455 | Not reported | 12 of 12 |
| 2001 | 7,878,964 | Not reported | 12 of 12 |
| 2002 | 7,657,457 | Not reported | 12 of 12 |
| 2003 | 8,698,989 | Not reported | 12 of 12 |
| 2004 | 8,013,969 | Not reported | 12 of 12 |
| 2005 | 8,692,074 | Not reported | 12 of 12 |
| 2006 | 8,232,307 | Not reported | 12 of 12 |
| 2007 | 9,250,436 | Not reported | 12 of 12 |
| 2008 | 8,549,903 | Not reported | 12 of 12 |
| 2009 | 8,887,914 | Not reported | 12 of 12 |
| 2010 | 8,611,998 | 86.4% | 12 of 12 |
| 2011 | 8,671,466 | 87.0% | 12 of 12 |
| 2012 | 9,373,726 | 93.7% | 12 of 12 |
| 2013 | 8,195,548 | 82.2% | 12 of 12 |
| 2014 | 9,071,711 | 91.0% | 12 of 12 |
| 2015 | 8,663,837 | 86.9% | 12 of 12 |
| 2016 | 8,914,453 | 89.2% | 12 of 12 |
| 2017 | 8,348,336 | 83.7% | 12 of 12 |
| 2018 | 8,346,686 | 83.7% | 12 of 12 |
| 2019 | 8,363,289 | 83.9% | 12 of 12 |
| 2020 | 9,462,481 | 94.6% | 12 of 12 |
| 2021 | 8,348,706 | 83.7% | 12 of 12 |
| 2022 | 9,224,022 | 92.5% | 12 of 12 |
| 2023 | 8,101,628 | 81.2% | 12 of 12 |
| 2024 | 9,575,677 | 95.8% | 12 of 12 |
| 2025 | 8,337,539 | 83.6% | 12 of 12 |
| 2026 (provisional, partial year) | 5,552,327 | 95.9% | 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 · MISOEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
282,509
million gallons
Consumption, 2024
9,945
million gallons
Source
Salt Creek
Surface, Fresh. Recirculating with cooling pond
Watershed stress
Low · 0.296
USGS SUI, HUC12 Lake Clinton-North Fork Salt Creek
12 of 12 cooling months report withdrawal. SUI of the HUC12 containing the plant. Cooling-pond plants report water circulated through the pond as withdrawal, so withdrawal is far above consumption. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Nuclear | 1,138.3 | November 1987 |
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.
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Power plants near Clinton
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Questions about Clinton
How much power does Clinton Power Station produce?
Clinton Power Station reported 8,337,539 MWh (8.34 TWh) of net generation in 2025, a 83.6% capacity factor on 1,138.3 MW of nameplate capacity. From January to July 2026 it reported 5.55 TWh, which is provisional.
Where is Clinton Power Station?
Clinton Power Station is in DeWitt County, Illinois, at 40.1719, −88.8339. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Clinton Power Station?
EIA-860M for August 2026 lists Constellation Nuclear as the operator (EIA operator ID 55951). The operator is not always the owner.
When did Clinton Power Station start operating?
Its first generator began operating in November 1987, according to EIA-860M.
Does InfraMap have power prices for Clinton Power Station?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Clinton 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)
- MISO 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