Madison
Butler County, Ohio · EIA plant ID 55110 · Operator: Duke Energy Indiana, LLC
Nameplate692MWSummer 566 MW
Generators8in service
Net generation681GWh12 mo to Dec 2025
Capacity factor14%gas/coal/oil units, summer MW
Heat rate12,531Btu/kWhfossil units, electric fuel, HHV
First online2000Runs as peaking
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 161.8 | 3.2% | 12,009 |
| 2002 | 190.2 | 3.7% | 12,221 |
| 2003 | 63.8 | 1.3% | 12,352 |
| 2004 | 50.3 | 1.0% | 12,471 |
| 2005 | 424.8 | 8.4% | 13,363 |
| 2006 | 172.7 | 3.4% | 13,643 |
| 2007 | 198.1 | 3.9% | 12,875 |
| 2008 | 59.5 | 1.2% | 13,299 |
| 2009 | 89.9 | 1.8% | 13,909 |
| 2010 | 141 | 2.8% | 13,753 |
| 2011 | 167 | 3.3% | 13,201 |
| 2012 | 202.8 | 4.0% | 13,093 |
| 2013 | 235.8 | 4.7% | 13,994 |
| 2014 | 127.9 | 2.5% | 13,686 |
| 2015 | 314.6 | 6.2% | 13,294 |
| 2016 | 446.4 | 9.0% | 13,368 |
| 2017 | 314.5 | 6.3% | 13,762 |
| 2018 | 541.9 | 10.9% | 13,496 |
| 2019 | 334.1 | 6.7% | 14,141 |
| 2020 | 302.1 | 6.1% | 14,478 |
| 2021 | 527.4 | 10.6% | 12,875 |
| 2022 | 645.3 | 13.0% | 13,142 |
| 2023 | 928.1 | 18.7% | 13,172 |
| 2024 | 1,045.3 | 21.0% | 13,090 |
| 2025 | 681.5 | 13.7% | 12,531 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| CT1 | Natural Gas Fired Combustion Turbine | GT | 86.5 | 71 | Jun 2000 | Operating | — | coming soon |
| CT2 | Natural Gas Fired Combustion Turbine | GT | 86.5 | 71 | Jun 2000 | Operating | — | coming soon |
| CT3 | Natural Gas Fired Combustion Turbine | GT | 86.5 | 69 | Jun 2000 | Operating | — | coming soon |
| CT4 | Natural Gas Fired Combustion Turbine | GT | 86.5 | 70 | Jun 2000 | Operating | — | coming soon |
| CT5 | Natural Gas Fired Combustion Turbine | GT | 86.5 | 70 | Jun 2000 | Operating | — | coming soon |
| CT6 | Natural Gas Fired Combustion Turbine | GT | 86.5 | 72 | Jun 2000 | Operating | — | coming soon |
| CT7 | Natural Gas Fired Combustion Turbine | GT | 86.5 | 73 | Jun 2000 | Operating | — | coming soon |
| CT8 | Natural Gas Fired Combustion Turbine | GT | 86.5 | 70 | Jun 2000 | Operating | — | coming soon |
Owner / operator
Operator: Duke Energy Indiana, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Duke Energy Indiana, LLC | 100.0% | 692 MW |
Nearby plants
Within 80 km.
| Trenton Solar - (OH) | — | 0.4 km |
| Woodsdale | 572 MW | 0.5 km |
| Middletown Coke Company, LLC | 67 MW | 5.9 km |
| Dicks Creek | 159 MW | 7.6 km |
| Hamilton Hydro | 2 MW | 9 km |
| Hamilton (OH) | 16 MW | 9 km |