Madison
Natural gas power plant in Butler County, Ohio. 692 MW of nameplate capacity across 8 generators, operated by Duke Energy Indiana, LLC.
Also known as Madison Generating Station · EIA plant 55110
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 692 MWNameplate
- Generators
- 8 operatingEIA-860M, August 2026
- Operating since
- June 2000First generator online
- Operator
- Duke Energy Indiana, LLCEIA operator ID 15470
- Grid
- PJMBalancing authority PJM
- Price nodes
- 8 PJM nodesResource nodes with prices
- Location
- Butler County, OH39.4522, −84.4647
- EIA plant ID
- 55110EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Madison produces
Free · EIA-923Net generation, 2025
681 GWh
681,498 MWh, final
Capacity factor, 2025
11.2%
2024: 17.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.3–1.0
TWh a year. Low 2020, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 96,686 | Not reported | 12 of 12 |
| 2001 | 161,836 | Not reported | 12 of 12 |
| 2002 | 190,228 | Not reported | 12 of 12 |
| 2003 | 63,778 | Not reported | 12 of 12 |
| 2004 | 50,275 | Not reported | 12 of 12 |
| 2005 | 424,842 | Not reported | 12 of 12 |
| 2006 | 172,718 | Not reported | 12 of 12 |
| 2007 | 198,099 | Not reported | 12 of 12 |
| 2008 | 59,479 | Not reported | 12 of 12 |
| 2009 | 89,918 | Not reported | 12 of 12 |
| 2010 | 140,992 | 2.4% | 12 of 12 |
| 2011 | 167,028 | 2.8% | 12 of 12 |
| 2012 | 202,830 | 3.4% | 12 of 12 |
| 2013 | 235,773 | 3.9% | 12 of 12 |
| 2014 | 127,941 | 2.1% | 12 of 12 |
| 2015 | 314,598 | Not reported | 12 of 12 |
| 2016 | 446,422 | 7.3% | 12 of 12 |
| 2017 | 314,485 | 5.2% | 12 of 12 |
| 2018 | 541,948 | 8.9% | 12 of 12 |
| 2019 | 334,086 | 5.5% | 12 of 12 |
| 2020 | 302,083 | 5.0% | 12 of 12 |
| 2021 | 527,447 | 8.7% | 12 of 12 |
| 2022 | 645,270 | 10.6% | 12 of 12 |
| 2023 | 928,096 | 15.3% | 12 of 12 |
| 2024 | 1,045,263 | 17.2% | 12 of 12 |
| 2025 | 681,498 | 11.2% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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
526,118
US short tons. 2024: 801,200
SO₂, 2025
3
US short tons
NOx, 2025
139
US short tons
CO₂ per MWh, calculated
0.77 t
About 1,544 lb per MWh
8 of 8 EPA units reported CO₂ in 2025 (1, 2, 3, 4, 5, 6, 7, 8), matched to EIA plant 55110 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, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CT1 | Natural Gas Fired Combustion Turbine | 86.5 | June 2000 |
| CT2 | Natural Gas Fired Combustion Turbine | 86.5 | June 2000 |
| CT3 | Natural Gas Fired Combustion Turbine | 86.5 | June 2000 |
| CT4 | Natural Gas Fired Combustion Turbine | 86.5 | June 2000 |
| CT5 | Natural Gas Fired Combustion Turbine | 86.5 | June 2000 |
| CT6 | Natural Gas Fired Combustion Turbine | 86.5 | June 2000 |
| CT7 | Natural Gas Fired Combustion Turbine | 86.5 | June 2000 |
| CT8 | Natural Gas Fired Combustion Turbine | 86.5 | June 2000 |
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 Duke Energy Indiana, 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 Madison
More plants operated by Duke Energy Indiana, LLC
Questions about Madison
How much power does Madison produce?
Madison reported 681,498 MWh (681 GWh) of net generation in 2025, a 11.2% capacity factor on 692 MW of nameplate capacity.
Where is Madison?
Madison is in Butler County, Ohio, at 39.4522, −84.4647. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Madison?
EIA-860M for August 2026 lists Duke Energy Indiana, LLC as the operator (EIA operator ID 15470). The operator is not always the owner.
When did Madison start operating?
Its first generator began operating in June 2000, according to EIA-860M.
Does InfraMap have power prices for Madison?
Yes. InfraMap has PJM day-ahead and real-time prices at 8 price nodes linked to Madison, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page