Cayuga reports 1,062 MW coal + 10.4 MW petroleum + 112.5 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 Cayuga?

Cayuga is a Petroleum Liquids, Natural Gas Fired Combustion Turbine, Conventional Steam Coal facility in Vermillion County, IN, participating in the MISO market.

Where is Cayuga located?

Cayuga is in Vermillion County, IN, inside the MISO balancing area.

Cayuga 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 Cayuga generate?

Cayuga reported 4,184.9 GWh over the twelve months to 2026-08. Figures are net generation as filed to EIA-923.

How does Cayuga compare to other plants?

By capacity, Cayuga ranks #77 of 205 operating plants of the same technology nationally. It ranks #6 of 11 in IN.

Cayuga — 1,185 MW hybrid plant, Vermillion County, IN

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Cayuga — 1,185 MW hybrid plant, Vermillion County, IN · Ask the Grid

Generation and physical site

EIA plant 1001 · Inventory for Sep 2026.

Reported operating nameplate by technology

Coal: 1,062 MW
Petroleum: 10.4 MW
Natural gas: 112.5 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 (7)

EIA generator status and nameplate capacity for Cayuga
Generator	Technology	Status	Power (MW)	Energy (MWh)
1	Conventional Steam Coal	Operating	531	Unknown
2	Conventional Steam Coal	Operating	531	Unknown
31	Petroleum Liquids	Operating	2.6	Unknown
32	Petroleum Liquids	Operating	2.6	Unknown
33	Petroleum Liquids	Operating	2.6	Unknown
34	Petroleum Liquids	Operating	2.6	Unknown
4	Natural Gas Fired Combustion Turbine	Operating	112.5	Unknown

Physical map location · OpenStreetMap: 39.91951, -87.42457
Filed location · EIA: 39.92420, -87.42440

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
1	531 MW 500 MW summer	Conventional Steam Coal ST	Oct 1970	Operating
2	531 MW 495 MW summer	Conventional Steam Coal ST	Jun 1972	Operating
31	2.6 MW 2.5 MW summer	Petroleum Liquids IC	Jun 1972	Operating
32	2.6 MW 2.5 MW summer	Petroleum Liquids IC	Jun 1972	Operating
33	2.6 MW 2.5 MW summer	Petroleum Liquids IC	Jun 1972	Operating
34	2.6 MW 2.5 MW summer	Petroleum Liquids IC	Jun 1972	Operating
4	112.5 MW 84 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 1993	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 / operatorRelated asset

Parties and identifiers

OrganizationRoleBasis

Duke Energy Indiana, LLCOwner / operatorowner

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
CayugaCurrent	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

Overview

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Overview

Infrastructure record

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Generation and physical site

Reported operating nameplate by technology

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Units and generators

Performance

Peer context

Monthly generation

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Market registration

Commercial, land, and environmental record

Transactions and agreements

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Relationship graph

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Timeline and sources

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Sources

Common questions about Cayuga

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