Wilson Dam
Hydro power plant in Lauderdale County, Alabama. 666.7 MW of nameplate capacity across 21 generators, operated by Tennessee Valley Authority.
Also known as EIA plant 6440
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 666.7 MWNameplate
- Generators
- 21 operatingEIA-860M, August 2026
- Operating since
- September 1925First generator online
- Operator
- Tennessee Valley AuthorityEIA operator ID 18642
- Grid
- TVABalancing authority TVA
- Price nodes
- None linkedNo verified ISO node
- Location
- Lauderdale County, AL34.7978, −87.6254
- EIA plant ID
- 6440EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Wilson Dam produces
Free · EIA-923Net generation, 2025
2.40 TWh
2,396,274 MWh, final
Capacity factor, 2025
41.0%
2024: 40.2%
January to July 2026
952 GWh
Provisional
Range, 2015 to 2025
1.8–3.1
TWh a year. Low 2016, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 1,666,092 | Not reported | 12 of 12 |
| 2001 | 2,150,089 | Not reported | 12 of 12 |
| 2002 | 2,278,203 | Not reported | 12 of 12 |
| 2003 | 2,934,694 | Not reported | 12 of 12 |
| 2004 | 2,798,708 | Not reported | 12 of 12 |
| 2005 | 2,344,161 | Not reported | 12 of 12 |
| 2006 | 1,862,191 | Not reported | 12 of 12 |
| 2007 | 1,090,293 | Not reported | 12 of 12 |
| 2008 | 1,534,356 | Not reported | 12 of 12 |
| 2009 | 2,969,315 | Not reported | 12 of 12 |
| 2010 | 2,094,059 | 35.9% | 12 of 12 |
| 2011 | 2,765,838 | 47.4% | 12 of 12 |
| 2012 | 2,157,779 | 36.8% | 12 of 12 |
| 2013 | 3,538,795 | 60.6% | 12 of 12 |
| 2014 | 2,448,335 | 41.9% | 12 of 12 |
| 2015 | 2,683,901 | 46.0% | 12 of 12 |
| 2016 | 1,809,161 | 30.9% | 12 of 12 |
| 2017 | 2,520,583 | 43.2% | 12 of 12 |
| 2018 | 2,923,233 | 50.1% | 12 of 12 |
| 2019 | 3,045,105 | 52.1% | 12 of 12 |
| 2020 | 3,116,844 | 53.2% | 12 of 12 |
| 2021 | 2,801,659 | 48.0% | 12 of 12 |
| 2022 | 2,518,491 | 43.1% | 12 of 12 |
| 2023 | 2,115,836 | 36.2% | 12 of 12 |
| 2024 | 2,352,638 | 40.2% | 12 of 12 |
| 2025 | 2,396,274 | 41.0% | 12 of 12 |
| 2026 (provisional, partial year) | 951,880 | 28.1% | 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 CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 23.0 | September 1925 |
| 2 | Conventional Hydroelectric | 23.0 | September 1925 |
| 3 | Conventional Hydroelectric | 23.0 | September 1925 |
| 4 | Conventional Hydroelectric | 23.0 | September 1925 |
| 5 | Conventional Hydroelectric | 36.0 | September 1925 |
| 6 | Conventional Hydroelectric | 30.9 | September 1925 |
| 7 | Conventional Hydroelectric | 30.9 | September 1925 |
| 8 | Conventional Hydroelectric | 30.9 | September 1925 |
| 9 | Conventional Hydroelectric | 29.2 | March 1942 |
| 10 | Conventional Hydroelectric | 29.2 | May 1942 |
| 11 | Conventional Hydroelectric | 29.2 | July 1942 |
| 12 | Conventional Hydroelectric | 29.2 | August 1942 |
| 13 | Conventional Hydroelectric | 29.2 | April 1943 |
| 14 | Conventional Hydroelectric | 25.2 | November 1943 |
| 15 | Conventional Hydroelectric | 29.2 | December 1949 |
| 16 | Conventional Hydroelectric | 29.2 | January 1950 |
| 17 | Conventional Hydroelectric | 29.2 | February 1950 |
| 18 | Conventional Hydroelectric | 25.2 | March 1950 |
| 19 | Conventional Hydroelectric | 54.0 | December 1961 |
| 20 | Conventional Hydroelectric | 54.0 | January 1962 |
| 21 | Conventional Hydroelectric | 54.0 | April 1962 |
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.
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Power plants near Wilson Dam
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Questions about Wilson Dam
How much power does Wilson Dam produce?
Wilson Dam reported 2,396,274 MWh (2.40 TWh) of net generation in 2025, a 41.0% capacity factor on 666.7 MW of nameplate capacity. From January to July 2026 it reported 952 GWh, which is provisional.
Where is Wilson Dam?
Wilson Dam is in Lauderdale County, Alabama, at 34.7978, −87.6254. It is in the Tennessee Valley Authority balancing area (TVA).
Who operates Wilson Dam?
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 Wilson Dam start operating?
Its first generator began operating in September 1925, 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page