Kendall County Generation Facility
Natural gas power plant in Kendall County, Illinois. 1,256 MW of nameplate capacity across 8 generators, operated by Dynegy Kendall Energy LLC.
Also known as Kendall Energy Facility · EIA plant 55131
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,256 MWNameplate
- Generators
- 8 operatingEIA-860M, August 2026
- Operating since
- March 2002First generator online
- Operator
- Dynegy Kendall Energy LLCEIA operator ID 57141
- Grid
- PJMBalancing authority PJM
- Price nodes
- 4 PJM nodesResource nodes with prices
- Location
- Kendall County, IL41.4797, −88.2581
- EIA plant ID
- 55131EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Kendall County Generation Facility produces
Free · EIA-923Net generation, 2025
5.54 TWh
5,535,361 MWh, final
Capacity factor, 2025
50.3%
2024: 42.0%
January to July 2026
2.66 TWh
Provisional
Range, 2015 to 2025
4.6–7.3
TWh a year. Low 2024, high 2020
| 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 | 1,053,839 | Not reported | 10 of 12 |
| 2003 | 446,697 | Not reported | 11 of 12 |
| 2004 | 204,227 | Not reported | 12 of 12 |
| 2005 | 1,328,419 | Not reported | 12 of 12 |
| 2006 | 1,242,090 | Not reported | 12 of 12 |
| 2007 | 1,445,821 | Not reported | 12 of 12 |
| 2008 | 1,038,147 | Not reported | 12 of 12 |
| 2009 | 1,920,004 | Not reported | 12 of 12 |
| 2010 | 1,708,299 | 15.5% | 12 of 12 |
| 2011 | 2,195,389 | 20.0% | 12 of 12 |
| 2012 | 4,980,599 | 45.1% | 12 of 12 |
| 2013 | 3,007,703 | Not reported | 12 of 12 |
| 2014 | 2,242,919 | 20.4% | 12 of 12 |
| 2015 | 6,173,794 | 56.1% | 12 of 12 |
| 2016 | 7,195,291 | 65.2% | 12 of 12 |
| 2017 | 6,507,968 | 59.1% | 12 of 12 |
| 2018 | 5,857,928 | 53.2% | 12 of 12 |
| 2019 | 6,605,374 | 60.0% | 12 of 12 |
| 2020 | 7,271,182 | 65.9% | 12 of 12 |
| 2021 | 5,966,561 | 54.2% | 12 of 12 |
| 2022 | 5,094,602 | 46.3% | 12 of 12 |
| 2023 | 5,864,878 | 53.3% | 12 of 12 |
| 2024 | 4,629,766 | 42.0% | 12 of 12 |
| 2025 | 5,535,361 | 50.3% | 12 of 12 |
| 2026 (provisional, partial year) | 2,659,683 | 41.6% | 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
2.61M
US short tons. 2024: 2.13M
SO₂, 2025
13
US short tons
NOx, 2025
167
US short tons
CO₂ per MWh, calculated
0.47 t
About 943 lb per MWh
4 of 4 EPA units reported CO₂ in 2025 (GTG-1, GTG-2, GTG-3, GTG-4), matched to EIA plant 55131 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
5
million gallons
Consumption, 2024
4
million gallons
Source
Illinois River
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.147
USGS SUI, HUC12 Lower DuPage 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 |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 180.0 | March 2002 |
| CTG2 | Natural Gas Fired Combined Cycle | 180.0 | April 2002 |
| CTG3 | Natural Gas Fired Combined Cycle | 180.0 | April 2002 |
| CTG4 | Natural Gas Fired Combined Cycle | 180.0 | May 2002 |
| STG1 | Natural Gas Fired Combined Cycle | 134.0 | March 2002 |
| STG2 | Natural Gas Fired Combined Cycle | 134.0 | April 2002 |
| STG3 | Natural Gas Fired Combined Cycle | 134.0 | April 2002 |
| STG4 | Natural Gas Fired Combined Cycle | 134.0 | May 2002 |
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 Dynegy Kendall Energy 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 Kendall County Generation Facility
How much power does Kendall County Generation Facility produce?
Kendall County Generation Facility reported 5,535,361 MWh (5.54 TWh) of net generation in 2025, a 50.3% capacity factor on 1,256 MW of nameplate capacity. From January to July 2026 it reported 2.66 TWh, which is provisional.
Where is Kendall County Generation Facility?
Kendall County Generation Facility is in Kendall County, Illinois, at 41.4797, −88.2581. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Kendall County Generation Facility?
EIA-860M for August 2026 lists Dynegy Kendall Energy LLC as the operator (EIA operator ID 57141). The operator is not always the owner.
When did Kendall County Generation Facility start operating?
Its first generator began operating in March 2002, according to EIA-860M.
Does InfraMap have power prices for Kendall County Generation Facility?
Yes. InfraMap has PJM day-ahead and real-time prices at 4 price nodes linked to Kendall County Generation Facility, 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