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1184.9 MW Conventional Steam Coal (1062 MW) + Natural Gas Fired Combustion Turbine (113 MW) + Petroleum Liquids (10 MW) operating in Vermillion, IN — Midcontinent Independent Transmission System Operator, Inc..
1,184.9 MW
Nameplate Capacity
7
Generators
units
Hybrid (3)
Technology
Conventional Steam Coal + Natural Gas Fired Combustion Turbine + Petroleum Liquids
1970
Operating Since
Coordinates
39.9242, -87.4244
County
Vermillion, IN
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Indiana, LLC | Duke Energy Indiana | — |
| Owner(s) | Duke Energy Indiana, LLC | Duke Energy | — |
| Status | Operating | — | — |
Cayuga Generating Station is an electricity-generating facility, located in Eugene Township, Vermillion County, near Cayuga, Indiana. Its almost identical, coal-fired Units 1 and 2 were launched into service in 1970 and 1972, and have a combined name-plate generating capacity of 1,062 MWe. Unit 4 is powered by natural gas, but can also be switched to oil. There are also four minor oil-fired units of internal combustion design. The facility is entirely owned by Duke Energy.
Read more on WikipediaLocated in Vermillion County, Indiana, the Cayuga plant is a hybrid power plant operated by Duke Energy Indiana, LLC, a subsidiary of Duke Energy. Commissioned in 1970, the plant has a total capacity of 1184.9 MW across seven generators. The plant utilizes a mix of fuel sources and technologies, including conventional steam coal, natural gas-fired combustion turbines, and petroleum liquids. The primary fuel listed is DFO (distillate fuel oil).
In the most recent year with available data, the Cayuga plant generated 4,009,989 MWh, achieving a capacity factor of 38.8%. The plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. According to available data, the plant has a PPA price of $5.82 per MWh. The Cayuga plant is ranked as the second largest in the state and tenth nationally out of 60 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
499.1K MWh
Latest Month
4.0M MWh
Annual Generation
38.8%
Capacity Factor
CO₂ Intensity
2116 lb/MWh
NOx
2 lb/MWh
SO₂
1 lb/MWh
CH₄
0.244 lb/MWh
N₂O
0.036 lb/MWh
Capacity Factor
41.7%
Annual Net Gen
4327 GWh
CO₂eq
2133 lb/MWh
Subregion
RFC West
Duke Energy Indiana, LLC · Data from 2019–2025
$5.7/MWh
PPA Price
Market Position
ISO/RTO Market
MISO
LMP Node
CP/Comm Pricing
Pricing Hub
INDIANA.HUB
Node Source
EIA-860 direct report
Last updated 2026-04-09
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