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666.7 MW Hydro operating in Lauderdale, AL — Tennessee Valley Authority
666.7 MW
Nameplate Capacity
21
Generators
units
Conventional Hydroelectric
Technology
1925
Operating Since
Coordinates
34.7978, -87.6254
County
Lauderdale, AL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Owner(s) | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Status | Operating | operating | — |
Wilson Dam is a dam on the Tennessee River in Lauderdale and Colbert counties of Alabama, United States. Completed in 1924 by the United States Army Corps of Engineers, it impounds Wilson Lake, and is one of nine Tennessee Valley Authority (TVA) dams on the Tennessee River. It was declared a National Historic Landmark on November 13, 1966, for its role as the first dam to come under the TVA's administration. The dam is named for President Woodrow Wilson.
Read more on WikipediaWilson Dam is a hydroelectric power plant located in Lauderdale County, Alabama. The plant, owned and operated by the Tennessee Valley Authority (TVA), has a total capacity of 666.7 MW derived from 21 generators. It began operating in 1925, utilizing conventional hydroelectric technology and water as its primary fuel source. Wilson Dam is the largest hydroelectric plant in Alabama out of 13 such plants, and ranks 36th nationally out of 194 hydroelectric facilities.
In the most recent year with available data, Wilson Dam generated 2,396,274 MWh of electricity, achieving a capacity factor of 41.3%. The plant operates within the Tennessee Valley Authority balancing authority area and is located within the SERC NERC region.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Tennessee Valley Authority (TVA)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility
124.8K MWh
Latest Month
2.4M MWh
Annual Generation
41.3%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $1.5B
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-03-26
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