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Gibson

Duke Energy Indiana, LLC - Gibson County - MISO

Gibson is an operating five-unit coal plant in Gibson County. EIA lists 3,339.5 MW of nameplate capacity, while Duke Energy Indiana reports 2,845 MW of winter peak capacity. Duke owns Units 1-4 and 50.05% of Unit 5, with Indiana municipal and cooperative utilities owning the remaining Unit 5 shares.

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Overview

Nameplate capacity: 3339.5 MW
Canonical EIA plant baseline.
Registry anchor: Plant 6113
plant-6113

Structured profile

Technology: Conventional Steam Coal
Operator: Duke Energy Indiana, LLC

Gibson

MISO · Asset profile

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Gibson — 3,340 MW coal plant, Gibson County, IN · Ask the Grid

Units and generators

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

Generator	Capacity	Technology	Operation	Status
1	667.9 MW 630 MW summer	Conventional Steam Coal Bituminous Coal · ST	May 1976	Operating
2	667.9 MW 630 MW summer	Conventional Steam Coal Bituminous Coal · ST	Apr 1975	Operating
3	667.9 MW 630 MW summer	Conventional Steam Coal Bituminous Coal · ST	Mar 1978	Operating
4	667.9 MW 622 MW summer	Conventional Steam Coal Bituminous Coal · ST	Mar 1979	Operating
5	667.9 MW 620 MW summer	Conventional Steam Coal Bituminous Coal · ST	Oct 1982	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.

Relationship graph

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AssetOwner / operatorEquipment

Parties and identifiers

OrganizationRoleBasis

Indiana Municipal Power AgencyOwnerCo-owner of Gibson Unit 5

Wabash Valley Power Association, Inc.OwnerCo-owner of Gibson Unit 5

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
GibsonCurrent	3,339.5 MW	IN
Cayuga	1,184.9 MW	IN
Edwardsport	812.7 MW	IN
Madison	692 MW	OH
Wheatland Generating Facility	500.4 MW	IN
Noblesville	283 MW

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Apr 1975
Apr 1975
Generator enters operationEIA-860
EIA-860 lists generator 2 with this operating date.
May 1976
May 1976
Generator enters operationEIA-860
EIA-860 lists generator 1 with this operating date.
Mar 1978
Mar 1978
Generator enters operationEIA-860
EIA-860 lists generator 3 with this operating date.
View 2 more milestonesHide 2 milestones
1. Mar 1979
  Mar 1979
  Generator enters operationEIA-860
  EIA-860 lists generator 4 with this operating date.
2. Aug 27, 1982
  Aug 27, 1982
Oct 1982
Oct 1982
Generator enters operationEIA-860
EIA-860 lists generator 5 with this operating date.
2004
2004
Gibson Unit 5 SCR Installationimpa.com
Installation of a Selective Catalytic Reduction (SCR) system for nitrogen-oxide control was completed on Gibson Unit 5.
2008
2008
Gibson Unit 5 Flue-Gas-Desulfurization Upgradeimpa.com
Gibson Unit 5 upgraded its flue-gas-desulfurization system to increase sulfur-dioxide removal efficiency.

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

mbrweb.ferc.govmbrweb.ferc.govauthoritative

Common questions about Gibson

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Gibson?

Gibson has a reported capacity of 3,339.5 MW. Source: EIA Form 860M.

What kind of plant is Gibson?

Gibson is a Conventional Steam Coal facility in Gibson County, IN, participating in the MISO market.

Where is Gibson located?

Gibson is in Gibson County, IN, inside the MISO balancing area.

Who operates Gibson?

Gibson 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 Gibson generate?

Gibson reported 10,748.6 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

How does Gibson compare to other plants?

By capacity, Gibson ranks #2 of 206 operating plants of the same technology nationally. It ranks #1 of 11 in IN.

Co-located assets

Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.

Gibson SolarSolar PhotovoltaicSolar Photovoltaic200 MW21 km

Gibson

Overview

Structured profile

Ask about Gibson

Gibson

Overview

Structured profile

Ask about Gibson

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Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Gibson

How big is Gibson?

What kind of plant is Gibson?

Where is Gibson located?

Who operates Gibson?

How much electricity does Gibson generate?

How does Gibson compare to other plants?

Co-located assets