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Gallatin (TN)Retirement planned

Sumner County, Tennessee · EIA plant ID 3403 · Operator: Tennessee Valley Authority
CoalConventional Steam CoalNatural Gas Fired Combustion Turbine⛽ Dual-fuelBA: TVA
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Nameplate1,918MWSummer 1,556 MW
Generators12in service
Net generation5,013GWh12 mo to Aug 2026
Capacity factor40%gas/coal/oil units, summer MW
Heat rate11,393Btu/kWhfossil units, electric fuel, HHV
First online1956Runs 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
-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%2005201020152020202540.1% · 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.
9,00010,00011,0002005201020152020202511,393 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20017,198.9——
20027,271.8——
20037,638.955.5%9,875
20047,17551.9%9,839
20057,56254.8%9,850
20067,609.855.6%9,973
20077,450.954.5%10,019
20087,92157.3%10,038
20096,48447.0%10,380
20106,841.949.6%10,325
20117,37553.4%10,204
20126,58148.2%10,253
20136,61648.5%10,209
20145,912.343.4%10,303
20153,932.528.9%10,801
20165,667.341.5%10,759
20175,326.139.1%10,776
20185,189.538.1%11,003
20194,157.930.5%11,200
20202,429.317.8%11,639
20214,034.829.6%10,925
20224,450.532.7%11,124
20233,750.327.5%11,328
20244,158.230.4%11,049
20254,324.131.7%10,690

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 mo146,464 MMBtu
Last month with liquid burnMay 2026
Switch while operatingYes
Net summer MW on gas580
Net summer MW on oil584
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 CoalST300225Nov 1956Operating · retirement plannedDec 2031coming soon
2Conventional Steam CoalST300225Jun 1957Operating · retirement plannedDec 2031coming soon
3Conventional Steam CoalST327.6263May 1959Operating · retirement plannedDec 2031coming soon
4Conventional Steam CoalST327.6263Aug 1959Operating · retirement plannedDec 2031coming soon
GT1Natural Gas Fired Combustion TurbineGT81.371.5Jul 1975Operating · retirement plannedDec 2031coming soon
GT2Natural Gas Fired Combustion TurbineGT81.371.5Jul 1975Operating · retirement plannedDec 2031coming soon
GT3Natural Gas Fired Combustion TurbineGT81.371.5Jul 1975Operating · retirement plannedDec 2031coming soon
GT4Natural Gas Fired Combustion TurbineGT81.371.5Jul 1975Operating · retirement plannedDec 2031coming soon
GT5Natural Gas Fired Combustion TurbineGT84.573.4Jul 2000Operating · retirement plannedDec 2031coming soon
GT6Natural Gas Fired Combustion TurbineGT84.573.4Jul 2000Operating · retirement plannedDec 2031coming soon
GT7Natural Gas Fired Combustion TurbineGT84.573.4Jul 2000Operating · retirement plannedDec 2031coming soon
GT8Natural Gas Fired Combustion TurbineGT84.573.4Jul 2000Operating · retirement plannedDec 2031coming soon

Owner / operator

Operator: Tennessee Valley Authority. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Tennessee Valley Authority100.0%1,918 MW

Nearby plants

Within 80 km.
Old Hickory104 MW22.9 km
J P Priest28 MW26.4 km
Opryland USA5 MW28.8 km
Music City Community Solar2 MW31.9 km
SR Horus—40.2 km
Vanderbilt University Power Plant19 MW40.8 km