Wilson Dam
Lauderdale County, Alabama · EIA plant ID 6440 · Operator: Tennessee Valley Authority
Nameplate667MWSummer 667 MW
Generators21in service
Net generation1,631GWh12 mo to Aug 2026
Capacity factor28%hydro units, summer MW
Heat rate—thermal plants only
First online1925
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
Capacity factor by year
Net MWh ÷ (summer MW × hours), hydro units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 2,150.1 | 38.0% | — |
| 2002 | 2,278.2 | 40.1% | — |
| 2003 | 2,934.7 | 51.6% | — |
| 2004 | 2,798.7 | 48.9% | — |
| 2005 | 2,344.2 | 39.9% | — |
| 2006 | 1,862.2 | 31.8% | — |
| 2007 | 1,090.3 | 18.6% | — |
| 2008 | 1,534.4 | 26.2% | — |
| 2009 | 2,969.3 | 50.8% | — |
| 2010 | 2,094.1 | 35.8% | — |
| 2011 | 2,765.8 | 47.3% | — |
| 2012 | 2,157.8 | 36.8% | — |
| 2013 | 3,538.8 | 60.5% | — |
| 2014 | 2,448.3 | 41.9% | — |
| 2015 | 2,683.9 | 45.9% | — |
| 2016 | 1,809.2 | 30.9% | — |
| 2017 | 2,520.6 | 43.1% | — |
| 2018 | 2,923.2 | 50.0% | — |
| 2019 | 3,045.1 | 52.1% | — |
| 2020 | 3,116.8 | 53.2% | — |
| 2021 | 2,801.7 | 47.9% | — |
| 2022 | 2,518.5 | 43.1% | — |
| 2023 | 2,115.8 | 36.2% | — |
| 2024 | 2,352.6 | 40.1% | — |
| 2025 | 2,396.3 | 41.0% | — |
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 ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Hydroelectric | HY | 23 | 22 | Sep 1925 | Operating | — | coming soon |
| 10 | Conventional Hydroelectric | HY | 29.2 | 29.5 | May 1942 | Operating | — | coming soon |
| 11 | Conventional Hydroelectric | HY | 29.2 | 29.2 | Jul 1942 | Operating | — | coming soon |
| 12 | Conventional Hydroelectric | HY | 29.2 | 29.2 | Aug 1942 | Operating | — | coming soon |
| 13 | Conventional Hydroelectric | HY | 29.2 | 29.4 | Apr 1943 | Operating | — | coming soon |
| 14 | Conventional Hydroelectric | HY | 25.2 | 29.4 | Nov 1943 | Operating | — | coming soon |
| 15 | Conventional Hydroelectric | HY | 29.2 | 29.2 | Dec 1949 | Operating | — | coming soon |
| 16 | Conventional Hydroelectric | HY | 29.2 | 29.2 | Jan 1950 | Operating | — | coming soon |
| 17 | Conventional Hydroelectric | HY | 29.2 | 29 | Feb 1950 | Operating | — | coming soon |
| 18 | Conventional Hydroelectric | HY | 25.2 | 29 | Mar 1950 | Operating | — | coming soon |
| 19 | Conventional Hydroelectric | HY | 54 | 55 | Dec 1961 | Operating | — | coming soon |
| 2 | Conventional Hydroelectric | HY | 23 | 22.3 | Sep 1925 | Operating | — | coming soon |
| 20 | Conventional Hydroelectric | HY | 54 | 55 | Jan 1962 | Operating | — | coming soon |
| 21 | Conventional Hydroelectric | HY | 54 | 55 | Apr 1962 | Operating | — | coming soon |
| 3 | Conventional Hydroelectric | HY | 23 | 23 | Sep 1925 | Operating | — | coming soon |
| 4 | Conventional Hydroelectric | HY | 23 | 22 | Sep 1925 | Operating | — | coming soon |
| 5 | Conventional Hydroelectric | HY | 36 | 30.3 | Sep 1925 | Operating | — | coming soon |
| 6 | Conventional Hydroelectric | HY | 30.9 | 30.4 | Sep 1925 | Operating | — | coming soon |
| 7 | Conventional Hydroelectric | HY | 30.9 | 29.1 | Sep 1925 | Operating | — | coming soon |
| 8 | Conventional Hydroelectric | HY | 30.9 | 30.7 | Sep 1925 | Operating | — | coming soon |
| 9 | Conventional Hydroelectric | HY | 29.2 | 29.6 | Mar 1942 | Operating | — | 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 Authority | 100.0% | 667 MW |
Nearby plants
Within 80 km.
| Spring Valley Solar 2 | — | 14.1 km |
| River Bend Solar, LLC | 75 MW | 20.1 km |
| Colbert | 1,170 MW | 21.3 km |
| Wheeler Dam | 404 MW | 22.3 km |
| Muscle Shoals | 227 MW | 25.7 km |
| Lawrence County Solar | — | 38.5 km |