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Colbert

Colbert County, Alabama · EIA plant ID 47 · Operator: Tennessee Valley Authority
Natural gasNatural Gas Fired Combustion TurbineBA: TVA
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Nameplate1,170MWSummer 1,026 MW
Generators11in service
Net generation732GWh12 mo to Dec 2025
Capacity factor8%gas/coal/oil units, summer MW
Heat rate13,328Btu/kWhfossil units, electric fuel, HHV
First online1972Runs as peaking

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%200520102015202020258.1% · 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.
010,00020,00030,0002005201020152020202513,328 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20016,690.2——
20026,305——
20037,211.852.8%10,632
20046,881.550.2%10,809
20057,777.457.7%10,762
20067,676.956.2%10,716
20077,549.255.0%10,793
20087,659.955.4%10,298
20092,940.221.3%11,090
20106,038.943.8%10,537
20114,779.134.6%10,669
20123,369.524.8%10,967
20133,218.823.8%10,908
20143,594.826.5%10,724
20152,690.619.9%10,576
2016744.312.9%11,599
2017140.4%19,202
2018682.1%13,141
20191.70.1%25,732
202030.1%18,737
202120.1%—
202215.30.5%—
202378.71.3%—
2024320.63.6%28,442
2025731.98.1%13,328

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.
StatusListed in EIA-860, no liquid burn in 36 months
Liquid fuel burned · 36 mo0 MMBtu
Last month with liquid burn—
Switch while operatingYes
Net summer MW on gas363
Net summer MW on oil380
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
GT1Natural Gas Fired Combustion TurbineGT59.545.4Sep 1972Operating—coming soon
GT10Natural Gas Fired Combustion TurbineGT231.2221Jul 2023Operating—coming soon
GT11Natural Gas Fired Combustion TurbineGT231.2221Jul 2023Operating—coming soon
GT2Natural Gas Fired Combustion TurbineGT59.545.4Sep 1972Operating—coming soon
GT3Natural Gas Fired Combustion TurbineGT59.545.4Sep 1972Operating—coming soon
GT4Natural Gas Fired Combustion TurbineGT59.545.4Sep 1972Operating—coming soon
GT5Natural Gas Fired Combustion TurbineGT59.545.4Sep 1972Operating—coming soon
GT6Natural Gas Fired Combustion TurbineGT59.545.4Sep 1972Operating—coming soon
GT7Natural Gas Fired Combustion TurbineGT59.545.4Sep 1972Operating—coming soon
GT8Natural Gas Fired Combustion TurbineGT59.545.4Sep 1972Operating—coming soon
GT9Natural Gas Fired Combustion TurbineGT231.2221Jul 2023Operating—coming soon
1Conventional Steam CoalST200178Jan 1955Retired Apr 2016—coming soon
2Conventional Steam CoalST200178Mar 1955Retired Apr 2016—coming soon
3Conventional Steam CoalST200178Jul 1955Retired Apr 2016—coming soon
4Conventional Steam CoalST200178Nov 1955Retired Apr 2016—coming soon
5Conventional Steam CoalST550472Nov 1965Retired Apr 2016—coming 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%1,170 MW

Nearby plants

Within 80 km.
Muscle Shoals227 MW5.9 km
River Bend Solar, LLC75 MW9.8 km
Spring Valley Solar 2—18.6 km
Wilson Dam667 MW21.3 km
Wheeler Dam404 MW43.2 km
Packaging Corp of America73 MW50.9 km