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Allen

Shelby County, Tennessee · EIA plant ID 3393 · Operator: Tennessee Valley Authority
Natural gasNatural Gas Fired Combined CyclePetroleum LiquidsBA: TVA

×502 MW oil retired since 2020 (latest May 2025)

Nameplate1,290MWSummer 1,145 MW
Generators5in service
Net generation5,141GWh12 mo to Aug 2026
Capacity factor51%gas/coal/oil units, summer MW
Heat rate6,531Btu/kWhfossil units, electric fuel, HHV
First online1972Runs 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%2005201020152020202551.3% · 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.
4,0006,0008,00010,000200520102015202020256,531 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20014,712.1——
20024,885.7——
20034,872.946.5%10,280
20044,834.545.8%10,256
20055,16150.4%10,155
20065,301.350.6%10,235
20075,318.350.7%10,103
20085,127.848.5%10,250
20094,962.447.1%10,401
20104,753.345.1%10,287
20114,660.844.2%10,497
20124,097.439.9%10,646
20134,293.542.0%10,721
20144,204.241.1%10,527
20153,132.430.6%10,941
20163,480.733.9%10,734
20173,301.632.3%10,655
20183,038.225.9%7,154
20195,842.745.1%6,338
20203,707.628.5%6,487
20214,119.231.8%6,657
20225,433.241.9%6,628
20235,333.341.2%6,612
20246,401.449.3%6,420
20255,845.153.2%6,412

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
CTG1Natural Gas Fired Combined CycleCT347311.9Apr 2018Operating—coming soon
CTG2Natural Gas Fired Combined CycleCT347311.9Apr 2018Operating—coming soon
G19Petroleum LiquidsGT59.646.4Sep 1972Operating—coming soon
G20Petroleum LiquidsGT59.646.4Sep 1972Operating—coming soon
STG1Natural Gas Fired Combined CycleCA476.9428.3Apr 2018Operating—coming soon
1Conventional Steam CoalST330247May 1959Retired Mar 2018—coming soon
2Conventional Steam CoalST330247May 1959Retired Mar 2018—coming soon
3Conventional Steam CoalST330247Oct 1959Retired Mar 2018—coming soon
G10Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
G11Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
G12Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
G13Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
G14Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
G15Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
G16Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
G17Petroleum LiquidsGT59.646.4Sep 1972Retired May 2025—coming soon
G18Petroleum LiquidsGT59.646.4Sep 1972Retired May 2025—coming soon
GT1Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
GT2Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
GT3Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
GT4Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
GT5Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
GT6Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
GT7Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
GT8Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—coming soon
GT9Petroleum LiquidsGT23.915.1Jun 1971Retired May 2025—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%1,290 MW

Nearby plants

Within 80 km.
Wildflower Solar, LLC (MS)100 MW12.9 km
TVA Southaven Combined Cycle904 MW13.5 km
West Memphis Solar Station180 MW17.4 km
Penton Solar Plant—25.8 km
Chalk Bluff Solar—26 km
SR Innovation - NIKE PV2 MW30.3 km