Gibson

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

Generation and physical site

EIA plant 6113 · Inventory for Aug 2026.

Reported operating nameplate by technology

Coal: 3,339.5 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 (5)

EIA generator status and nameplate capacity for Gibson
Generator	Technology	Status	Power (MW)	Energy (MWh)
1	Conventional Steam Coal	Operating	667.9	Unknown
2	Conventional Steam Coal	Operating	667.9	Unknown
3	Conventional Steam Coal	Operating	667.9	Unknown
4	Conventional Steam Coal	Operating	667.9	Unknown
5	Conventional Steam Coal	Operating	667.9	Unknown

Physical map location · OpenStreetMap: 38.37045, -87.76900
Filed location · EIA: 38.37222, -87.76583

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Aug 2026
EIA retrieved: Oct 10, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Sep 25, 2022
Map prepared: Oct 10, 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

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

Drag organizations to explore the network. Select a node to pin its details and available page link.

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	IN

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 reports 3,339.5 MW coal of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.

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 10,503 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.

How does Gibson compare to other plants?

By capacity, Gibson ranks #2 of 205 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 MW22 km

Overview

Infrastructure record

Gibson

Overview

Infrastructure record

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Generation and physical site

Reported operating nameplate by technology

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