Madison reports 692 MW natural gas of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.

What kind of plant is Madison?

Madison is a Natural Gas Fired Combustion Turbine facility in Butler County, OH, participating in the PJM market.

Where is Madison located?

Madison is in Butler County, OH, inside the PJM balancing area.

Who operates Madison?

Madison is operated by Duke Energy Indiana, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Madison generate?

Madison reported 1,045.3 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

How does Madison compare to other plants?

By capacity, Madison ranks #45 of 829 operating plants of the same technology nationally. It ranks #3 of 24 in OH.

Madison — 692 MW gas plant, Butler County, OH

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Madison — 692 MW gas plant, Butler County, OH · Ask the Grid

Generation and physical site

EIA plant 55110 · Inventory for Sep 2026.

Reported operating nameplate by technology

Natural gas: 692 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (8)

EIA generator status and nameplate capacity for Madison
Generator	Technology	Status	Power (MW)	Energy (MWh)
CT1	Natural Gas Fired Combustion Turbine	Operating	86.5	Unknown
CT2	Natural Gas Fired Combustion Turbine	Operating	86.5	Unknown
CT3	Natural Gas Fired Combustion Turbine	Operating	86.5	Unknown
CT4	Natural Gas Fired Combustion Turbine	Operating	86.5	Unknown
CT5	Natural Gas Fired Combustion Turbine	Operating	86.5	Unknown
CT6	Natural Gas Fired Combustion Turbine	Operating	86.5	Unknown
CT7	Natural Gas Fired Combustion Turbine	Operating	86.5	Unknown
CT8	Natural Gas Fired Combustion Turbine	Operating	86.5	Unknown

Physical map location · OpenStreetMap: 39.45187, -84.46339
Filed location · EIA: 39.45220, -84.46470

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Sep 2026
EIA retrieved: Oct 24, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Jan 25, 2023
Map prepared: Oct 24, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Current generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
CT1	86.5 MW 71 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 2000	Operating
CT2	86.5 MW 71 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 2000	Operating
CT3	86.5 MW 69 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 2000	Operating
CT4	86.5 MW 70 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 2000	Operating
CT5	86.5 MW 70 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 2000	Operating
CT6	86.5 MW 72 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 2000	Operating
CT7	86.5 MW 73 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 2000	Operating
CT8	86.5 MW 70 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 2000	Operating

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

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AssetOwner / operatorMarket / regulatorOrganization

Parties and identifiers

OrganizationRoleBasis

Duke Energy Indiana, LLCOperatorOwner / developer associated with Madison.

Reporting portfolio

EIA reporting entity

Duke Energy Indiana, LLC

Entity 15470

Operating portfolio

14 plants

2 states

Reported capacity

7,120.6 MW

Batteries · Coal Integrated Gasification Combined Cycle · Conventional Hydroelectric

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Gibson	3,339.5 MW	IN
Cayuga	1,184.9 MW	IN
Edwardsport	812.7 MW	IN
MadisonCurrent	692 MW	OH
Wheatland Generating Facility	500.4 MW	IN
Noblesville	283 MW	IN

Overview

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Generation and physical site

Reported operating nameplate by technology

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Units and generators

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Sources

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