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130 MW Hydro operating in Lyon, KY — Tennessee Valley Authority
130 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1966
Operating Since
Coordinates
37.0217, -88.2211
County
Lyon, KY
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | USCE-Nashville District | US Army Corps of Engineers - Nashville District | — |
| Owner(s) | USCE-Nashville District | US Army Corps of Engineers - Nashville District | — |
| Status | Operating | operating | — |
GEM identifies the owner as US Army Corps of Engineers - Nashville District
This entity is not yet in the GEM ownership database — chain unavailable.
Barkley Dam is a dam along the Cumberland River in Kentucky. Its construction along with Kentucky Dam formed the Land Between the Lakes National Recreation Area (LBLNRA) by stopping the flow of the Cumberland and Tennessee Rivers, forming Lake Barkley and Kentucky Lake respectively. It is operated by the United States Army Corps of Engineers.
Read more on WikipediaThe Barkley hydroelectric plant, located in Lyon County, Kentucky, has a total capacity of 130 MW across four generators. It began operating in 1966 and is owned and operated by the US Army Corps of Engineers (USCE) Nashville District. The plant utilizes conventional hydroelectric technology and its primary fuel source is water (WAT). Barkley is the third-largest of five hydroelectric plants in Kentucky, and ranks 150th out of 194 nationally.
In the most recent year with available data, Barkley generated 590,644 MWh of electricity, achieving a capacity factor of 51.7%. The plant operates within the Tennessee Valley Authority (TVA) balancing authority and is located in 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
63.8K MWh
Latest Month
590.6K MWh
Annual Generation
51.7%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $298.3M
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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ask pi about BarkleyTennessee Valley Authority (TVA)
Grid Voltage
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility