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Midulla Generating Station

Hardee County, Florida · EIA plant ID 7380 · Operator: Seminole Electric Cooperative Inc
Natural gasNatural Gas Fired Combined CycleNatural Gas Fired Combustion Turbine⛽ Dual-fuelBA: SEC
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Nameplate853MWSummer 786 MW
Generators8in service
Net generation3,297GWh12 mo to Aug 2026
Capacity factor30%gas/coal/oil units, summer MW
Heat rate7,009Btu/kWhfossil units, electric fuel, HHV
First online2002Runs as intermediate

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
-1000100200300400GWh2002200420062008201020122014201620182020202220242026

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%2005201020152020202529.5% · 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.
6,0007,0008,0009,00010,000200520102015202020257,009 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20022,425——
20032,269.653.1%7,588
20042,102.449.0%7,379
20051,873.143.8%7,353
20062,109.347.1%7,760
2007717.510.8%10,139
20081,566.323.5%7,916
20092,90143.7%8,091
20102,82042.7%8,166
20112,512.239.6%8,047
20122,795.443.0%8,063
20132,86343.5%7,850
20142,508.738.1%7,675
20152,494.237.9%7,578
20163,275.449.6%7,589
20173,319.649.9%7,723
20183,637.154.7%7,582
20193,749.152.4%7,285
20204,402.761.7%7,129
20214,193.358.9%7,161
20223,757.752.8%7,373
20232,68239.0%7,406
20242,884.541.8%7,121
20253,537.351.4%7,134

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 mo19,603 MMBtu
Last month with liquid burnApr 2026
Switch while operatingYes
Net summer MW on gas780
Net summer MW on oil739
Time gas → oilup to 1 h (EIA 1H)
Time oil → gasup to 6 h (EIA 6H)

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
CT1Natural Gas Fired Combined CycleCT181.1179Jan 2002Operating—coming soon
CT2Natural Gas Fired Combined CycleCT181.1179Jan 2002Operating—coming soon
GT4Natural Gas Fired Combustion TurbineGT6254Dec 2006Operating—coming soon
GT5Natural Gas Fired Combustion TurbineGT6254Dec 2006Operating—coming soon
GT6Natural Gas Fired Combustion TurbineGT6254Dec 2006Operating—coming soon
GT7Natural Gas Fired Combustion TurbineGT6254Dec 2006Operating—coming soon
GT8Natural Gas Fired Combustion TurbineGT6227Dec 2006Operating—coming soon
ST3Natural Gas Fired Combined CycleCA181.1185Jan 2002Operating—coming soon
CT1A—CT199157Jan 2002not_current—coming soon
CT1B—CT199157Jan 2002not_current—coming soon
GT-ANatural Gas Fired Combustion TurbineGT6254planned Nov 2006not_current—coming soon
GT-BNatural Gas Fired Combustion TurbineGT6254planned Nov 2006not_current—coming soon
GT-CNatural Gas Fired Combustion TurbineGT6254planned Nov 2006not_current—coming soon
GT-DNatural Gas Fired Combustion TurbineGT6254planned Nov 2006not_current—coming soon
GT-ENatural Gas Fired Combustion TurbineGT6254planned Nov 2006not_current—coming soon
ST1—CA189174Jan 2002not_current—coming soon

Owner / operator

Operator: Seminole Electric Cooperative Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Seminole Electric Cooperative Inc100.0%853 MW

Nearby plants

Within 80 km.
Hardee Power Station470 MW0.6 km
Fort Green Solar Power Plant75 MW2.1 km
Payne Creek Solar70 MW2.6 km
Alafia Solar60 MW9.6 km
Polk1,458 MW10 km
Lake Hancock Solar50 MW11.1 km