Charter Dura-Bar
Natural gas power plant in McHenry County, Illinois. 6 MW of nameplate capacity across 6 generators, operated by Wells Manufacturing Co.
Also known as EIA plant 54540
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Key facts
- Capacity
- 6 MWNameplate
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- April 1992First generator online
- Operator
- Wells Manufacturing CoEIA operator ID 20328
- Grid
- PJMBalancing authority PJM
- Price nodes
- None linkedNo verified ISO node
- Location
- McHenry County, IL42.2891, −88.4130
- EIA plant ID
- 54540EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Charter Dura-Bar produces
Free · EIA-923Net generation, 2025
7.98 GWh
7,983 MWh, final
Capacity factor, 2025
15.2%
2024: 16.3%
January to July 2026
5.06 GWh
Provisional
Range, 2015 to 2025
0.0–8.9
GWh a year. Low 2018, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 198 | Not reported | 12 of 12 |
| 2002 | 134 | Not reported | 12 of 12 |
| 2003 | 183 | Not reported | 12 of 12 |
| 2004 | 180 | Not reported | 12 of 12 |
| 2005 | 138 | Not reported | 12 of 12 |
| 2006 | 567 | Not reported | 12 of 12 |
| 2007 | 2,106 | Not reported | 12 of 12 |
| 2008 | 868 | Not reported | 12 of 12 |
| 2009 | 225 | Not reported | 12 of 12 |
| 2010 | 4,781 | 9.1% | 12 of 12 |
| 2011 | 10,685 | 20.3% | 12 of 12 |
| 2012 | 6,263 | 11.9% | 12 of 12 |
| 2013 | 2,320 | 4.4% | 12 of 12 |
| 2014 | 6,086 | 11.6% | 12 of 12 |
| 2015 | 3,030 | 5.8% | 12 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | 362 | 0.7% | 12 of 12 |
| 2018 | 0 | 0.0% | 12 of 12 |
| 2019 | 4,978 | 9.5% | 12 of 12 |
| 2020 | 6,733 | 12.8% | 12 of 12 |
| 2021 | 5,584 | 10.6% | 12 of 12 |
| 2022 | 8,917 | 17.0% | 12 of 12 |
| 2023 | 8,570 | 16.3% | 12 of 12 |
| 2024 | 8,616 | 16.3% | 12 of 12 |
| 2025 | 7,983 | 15.2% | 12 of 12 |
| 2026 (provisional, partial year) | 5,057 | 16.6% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1A | Natural Gas Internal Combustion Engine | 1.0 | April 1992 |
| 1B | Natural Gas Internal Combustion Engine | 1.0 | April 1992 |
| 2A | Natural Gas Internal Combustion Engine | 1.0 | April 1992 |
| 2B | Natural Gas Internal Combustion Engine | 1.0 | April 1992 |
| 3A | Natural Gas Internal Combustion Engine | 1.0 | April 1992 |
| 3B | Natural Gas Internal Combustion Engine | 1.0 | April 1992 |
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 Wells Manufacturing Co 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 Charter Dura-Bar
How much power does Charter Dura-Bar produce?
Charter Dura-Bar reported 7,983 MWh (7.98 GWh) of net generation in 2025, a 15.2% capacity factor on 6 MW of nameplate capacity. From January to July 2026 it reported 5.06 GWh, which is provisional.
Where is Charter Dura-Bar?
Charter Dura-Bar is in McHenry County, Illinois, at 42.2891, −88.4130. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Charter Dura-Bar?
EIA-860M for August 2026 lists Wells Manufacturing Co as the operator (EIA operator ID 20328). The operator is not always the owner.
When did Charter Dura-Bar start operating?
Its first generator began operating in April 1992, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page