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1918.4 MW Conventional Steam Coal (1255 MW) + Natural Gas Fired Combustion Turbine (663 MW) operating in Sumner, TN — Tennessee Valley Authority
1,918.4 MW
Nameplate Capacity
12
Generators
units
Hybrid (2)
Technology
Conventional Steam Coal + Natural Gas Fired Combustion Turbine
1956
Operating Since
Coordinates
36.3156, -86.4006
County
Sumner, TN
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Owner(s) | Tennessee Valley Authority | Tennessee Valley Authority | — |
| Status | Operating | — | — |
The Gallatin Fossil Plant is a coal and natural gas-fired power plant near Gallatin, Tennessee operated by the Tennessee Valley Authority (TVA). The plant was originally entirely a coal-fired plant, constructed in the 1950s, and natural gas units were added later.
Read more on WikipediaThe Gallatin power plant, located in Sumner County, Tennessee, is owned and operated by the Tennessee Valley Authority (TVA). The plant has a total capacity of 1918.4 MW across 12 generators, making it the third-largest power plant in Tennessee (out of 9) and the 31st-largest in the United States (out of 945). Gallatin began operating in 1956 and is a hybrid plant utilizing both conventional steam coal and natural gas-fired combustion turbine technologies. Its primary fuel source is natural gas (NG).
In the latest year of available data, the plant generated 4,324,100 MWh of electricity, resulting in a capacity factor of 30.6%. The Gallatin plant operates within the Tennessee Valley Authority balancing authority area and the SERC NERC region. Public information indicates the plant has been mentioned in 7 news articles, with 6 focusing on industry-related topics and 1 concerning hazards.
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
510.4K MWh
Latest Month
4.3M MWh
Annual Generation
30.6%
Capacity Factor
CO₂ Intensity
2453 lb/MWh
NOx
0.659 lb/MWh
SO₂
0.763 lb/MWh
CH₄
0.270 lb/MWh
N₂O
0.039 lb/MWh
Capacity Factor
22.3%
Annual Net Gen
3750 GWh
CO₂eq
2471 lb/MWh
Subregion
SERC Tennessee Valley
No financial data available for this plant.
This is a small open-data project — if you have sources or want more coverage here, drop a note.
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-04-09
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