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Cayuga

Vermillion County, Indiana · EIA plant ID 1001 · Operator: Duke Energy Indiana, LLC
CoalConventional Steam CoalNatural Gas Fired Combustion TurbinePetroleum Liquids⛽ Dual-fuelMISOBA: MISO
Nameplate1,185MWSummer 1,089 MW
Generators7in service
Net generation3,863GWh12 mo to Aug 2026
Capacity factor44%gas/coal/oil units, summer MW
Heat rate10,247Btu/kWhfossil units, electric fuel, HHV
First online1970Runs as baseload

The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-2000200400600GWh2001200320052007200920112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%20%40%60%2005201020152020202543.9% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
9,50010,00010,5002005201020152020202510,247 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20016,584.2——
20025,936.5——
20036,506.267.3%10,076
20046,815.470.3%10,280
20056,547.267.7%10,126
20066,233.964.5%9,815
20076,952.571.9%9,779
20086,192.263.8%10,049
20095,19453.7%10,233
20105,956.661.6%10,294
20115,69858.9%10,220
20124,772.149.2%10,451
20135,533.957.2%10,402
20144,527.446.8%10,596
20154,992.951.6%10,358
20166,056.763.5%10,377
20175,734.660.3%10,012
20186,082.264.0%10,015
20193,513.836.8%10,116
20204,378.245.8%10,227
20214,584.848.1%10,155
20224,450.746.7%10,133
20234,327.445.4%10,133
20244,025.842.1%10,115
20254,01042.0%10,235

Fuel capability

Gas-fired turbines (CT/GT/CA/CS) that can also burn liquid fuel. EIA-860 Schedule 3 for capability, EIA-923 for actual burn.
StatusLikely still dual fuel
Liquid fuel burned · 36 mo14,934 MMBtu
Last month with liquid burnAug 2026
Switch while operatingYes
Net summer MW on gas86
Net summer MW on oil86
Time gas → oilup to 1 h (EIA 1H)
Time oil → gasup to 1 h (EIA 1H)

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
1Conventional Steam CoalST531500Oct 1970Operating—coming soon
2Conventional Steam CoalST531495Jun 1972Operating—coming soon
31Petroleum LiquidsIC2.62.5Jun 1972Operating—coming soon
32Petroleum LiquidsIC2.62.5Jun 1972Operating—coming soon
33Petroleum LiquidsIC2.62.5Jun 1972Operating—coming soon
34Petroleum LiquidsIC2.62.5Jun 1972Operating—coming soon
4Natural Gas Fired Combustion TurbineGT112.584Jun 1993Operating—coming soon

Owner / operator

Operator: Duke Energy Indiana, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Duke Energy Indiana, LLC100.0%1,185 MW

Nearby plants

Within 80 km.
Vermillion Energy Facility692 MW1.9 km
Vermillion Rise Solar—10.3 km
Ridge Farm Renewables LLC PV4 MW20.8 km
Ridge Farm2 MW22.7 km
CVE US IL Ridge Farm 324 LLC (CSG)3 MW23.4 km
Crossroads Solar (IN)200 MW25.4 km