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688 MW Natural Gas standby in Marshall, KY — Tennessee Valley Authority
688 MW
Nameplate Capacity
8
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2002
Operating Since
Coordinates
37.0286, -88.3958
County
Marshall, KY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Owner(s) | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Status | Standby | — | — |
The Marshall Energy Facility is a 688 MW natural gas-fired power plant located in Marshall County, Kentucky. The plant began operating in 2002 and consists of 8 natural gas-fired combustion turbine generators. It is owned and operated by the Tennessee Valley Authority (TVA). The plant is located within the TVA balancing authority area and the SERC NERC region.
In the most recent year with available data, the Marshall Energy Facility generated 130,423 MWh of electricity, resulting in a capacity factor of 2.2%. The plant ranks as the 7th largest in Kentucky out of 12 plants, and 329th nationally out of 945 plants.
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
5.7K MWh
Latest Month
130.4K MWh
Annual Generation
2.2%
Capacity Factor
CO₂ Intensity
1489 lb/MWh
NOx
0.327 lb/MWh
SO₂
0.010 lb/MWh
CH₄
0.027 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
2.3%
Annual Net Gen
137 GWh
CO₂eq
1491 lb/MWh
Subregion
SERC Tennessee Valley
2013
$965/kW
Est. Construction Cost
Total estimated cost: $664.0M
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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