Allen
Natural gas power plant in Shelby County, Tennessee. 1,290.1 MW of nameplate capacity across 5 generators, operated by Tennessee Valley Authority.
Also known as Thomas H. Allen Power Plant · EIA plant 3393
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,290.1 MWNatural gas 1,170.9 · Oil 119.2
- Generators
- 5 operatingEIA-860M, August 2026
- Operating since
- September 1972First generator online
- Operator
- Tennessee Valley AuthorityEIA operator ID 18642
- Grid
- TVABalancing authority TVA
- Price nodes
- None linkedNo verified ISO node
- Location
- Shelby County, TN35.0741, −90.1487
- EIA plant ID
- 3393EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Allen produces
Free · EIA-923Net generation, 2025
5.85 TWh
5,845,135 MWh, final
Capacity factor, 2025
Not reported
2024: 40.7%
January to July 2026
3.22 TWh
Provisional
Range, 2015 to 2025
3.1–6.4
TWh a year. Low 2015, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 5,322,431 | Not reported | 12 of 12 |
| 2001 | 4,712,127 | Not reported | 12 of 12 |
| 2002 | 4,885,730 | Not reported | 12 of 12 |
| 2003 | 4,047,948 | Not reported | 10 of 12 |
| 2004 | 4,834,503 | Not reported | 12 of 12 |
| 2005 | 5,161,045 | Not reported | 12 of 12 |
| 2006 | 5,301,265 | Not reported | 12 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | 4,962,440 | Not reported | 12 of 12 |
| 2010 | 4,753,331 | 33.7% | 12 of 12 |
| 2011 | 4,660,757 | 33.0% | 12 of 12 |
| 2012 | 4,097,443 | 29.0% | 12 of 12 |
| 2013 | 409,674 | 34.2% | 1 of 12 |
| 2014 | 4,204,161 | 29.8% | 12 of 12 |
| 2015 | 3,132,381 | 22.2% | 12 of 12 |
| 2016 | 3,480,660 | 24.6% | 12 of 12 |
| 2017 | 1,920,398 | 27.3% | 6 of 12 |
| 2018 | 413,505 | Not reported | 2 of 12 |
| 2019 | 1,484,325 | 38.4% | 3 of 12 |
| 2020 | 3,707,584 | 23.6% | 12 of 12 |
| 2021 | 4,119,214 | 26.2% | 12 of 12 |
| 2022 | 5,433,170 | Not reported | 12 of 12 |
| 2023 | 5,333,302 | 34.0% | 12 of 12 |
| 2024 | 6,401,391 | 40.7% | 12 of 12 |
| 2025 | 5,845,135 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | 3,224,860 | 49.1% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2019
2.26M
US short tons. 2018: 1.78M
SO₂, 2019
14
US short tons
NOx, 2019
227
US short tons
6 of 6 EPA units reported CO₂ in 2019 (1, 2, 3, ACC1, ACC2, ACT17, ACT18, ACT19, and others), matched to EIA plant 3393 through the EPA–EIA crosswalk.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
1,026
million gallons
Consumption, 2024
956
million gallons
Source
Potable Water
Ground, Fresh. Forced-draft tower
Watershed stress
Low · 0.246
USGS SUI, HUC12 Horn Lake-Horn Lake Pass
9 of 12 cooling months report withdrawal. Groundwater user; SUI describes surface water and is context only. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 347.0 | April 2018 |
| CTG2 | Natural Gas Fired Combined Cycle | 347.0 | April 2018 |
| G19 | Petroleum Liquids | 59.6 | September 1972 |
| G20 | Petroleum Liquids | 59.6 | September 1972 |
| STG1 | Natural Gas Fired Combined Cycle | 476.9 | April 2018 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Tennessee Valley Authority as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
300 analyst questions a month, plus MCP
Query Allen and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Allen
More plants operated by Tennessee Valley Authority
Questions about Allen
How much power does Allen produce?
Allen reported 5,845,135 MWh (5.85 TWh) of net generation in 2025. From January to July 2026 it reported 3.22 TWh, which is provisional.
Where is Allen?
Allen is in Shelby County, Tennessee, at 35.0741, −90.1487. It is in the Tennessee Valley Authority balancing area (TVA).
Who operates Allen?
EIA-860M for August 2026 lists Tennessee Valley Authority as the operator (EIA operator ID 18642). The operator is not always the owner.
When did Allen start operating?
Its first generator began operating in September 1972, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page