Gallatin (TN)
Coal and natural gas power plant in Sumner County, Tennessee. 1,918.4 MW of nameplate capacity across 12 generators, operated by Tennessee Valley Authority.
Also known as Gallatin Power Plant · EIA plant 3403
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,918.4 MWCoal 1,255.2 · Natural gas 663.2
- Generators
- 12 operatingEIA-860M, August 2026
- Operating since
- November 1956First generator online
- Operator
- Tennessee Valley AuthorityEIA operator ID 18642
- Grid
- TVABalancing authority TVA
- Price nodes
- None linkedNo verified ISO node
- Location
- Sumner County, TN36.3156, −86.4006
- EIA plant ID
- 3403EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Gallatin (TN) produces
Free · EIA-923Net generation, 2025
4.32 TWh
4,324,100 MWh, final. 10 of 12 months reported
Capacity factor, 2025
30.6%
2024: 24.7%
January to July 2026
2.95 TWh
Provisional
Range, 2015 to 2024
2.4–5.7
TWh a year. Low 2020, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 7,182,261 | Not reported | 12 of 12 |
| 2001 | 7,198,942 | Not reported | 12 of 12 |
| 2002 | 1,006,894 | Not reported | 2 of 12 |
| 2003 | 6,466,905 | Not reported | 10 of 12 |
| 2004 | 7,174,985 | Not reported | 12 of 12 |
| 2005 | 7,562,045 | Not reported | 12 of 12 |
| 2006 | 7,609,787 | Not reported | 12 of 12 |
| 2007 | 7,450,868 | Not reported | 12 of 12 |
| 2008 | 7,920,989 | Not reported | 12 of 12 |
| 2009 | 1,725,501 | Not reported | 3 of 12 |
| 2010 | 3,157,707 | 44.8% | 5 of 12 |
| 2011 | 5,490,393 | 43.7% | 9 of 12 |
| 2012 | 2,812,465 | 40.2% | 5 of 12 |
| 2013 | 2,704,367 | 38.9% | 5 of 12 |
| 2014 | 5,912,253 | 35.2% | 12 of 12 |
| 2015 | 3,932,506 | 23.4% | 12 of 12 |
| 2016 | 5,667,284 | 33.6% | 12 of 12 |
| 2017 | 5,326,075 | 31.7% | 12 of 12 |
| 2018 | 5,189,461 | 30.9% | 12 of 12 |
| 2019 | 4,157,882 | 24.7% | 12 of 12 |
| 2020 | 2,429,277 | 14.4% | 12 of 12 |
| 2021 | 4,034,797 | Not reported | 12 of 12 |
| 2022 | 4,450,512 | Not reported | 12 of 12 |
| 2023 | 3,750,321 | 22.3% | 12 of 12 |
| 2024 | 4,158,220 | 24.7% | 12 of 12 |
| 2025 | 4,324,100 | 30.6% | 10 of 12 |
| 2026 (provisional, partial year) | 2,952,522 | 30.2% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
5.82M
US short tons. 2024: 4.85M
SO₂, 2025
1,722
US short tons
NOx, 2025
1,616
US short tons
12 of 12 EPA units reported CO₂ in 2025 (1, 2, 3, 4, GCT1, GCT2, GCT3, GCT4, and others), matched to EIA plant 3403 through the EPA–EIA crosswalk.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
320,101
million gallons
Consumption, 2024
Not reported
million gallons
Source
Cumberland River
Surface, Fresh. Once-through
Watershed stress
Very low/none · 0.166
USGS SUI, HUC12 Bulls Creek-Cumberland River
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Steam Coal | 300.0 | November 1956 |
| 2 | Conventional Steam Coal | 300.0 | June 1957 |
| 3 | Conventional Steam Coal | 327.6 | May 1959 |
| 4 | Conventional Steam Coal | 327.6 | August 1959 |
| GT1 | Natural Gas Fired Combustion Turbine | 81.3 | July 1975 |
| GT2 | Natural Gas Fired Combustion Turbine | 81.3 | July 1975 |
| GT3 | Natural Gas Fired Combustion Turbine | 81.3 | July 1975 |
| GT4 | Natural Gas Fired Combustion Turbine | 81.3 | July 1975 |
| GT5 | Natural Gas Fired Combustion Turbine | 84.5 | July 2000 |
| GT6 | Natural Gas Fired Combustion Turbine | 84.5 | July 2000 |
| GT7 | Natural Gas Fired Combustion Turbine | 84.5 | July 2000 |
| GT8 | Natural Gas Fired Combustion Turbine | 84.5 | July 2000 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Tennessee Valley Authority as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Gallatin (TN)
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Questions about Gallatin (TN)
How much power does Gallatin (TN) produce?
Gallatin (TN) reported 4,324,100 MWh (4.32 TWh) of net generation in 2025, a 30.6% capacity factor on 1,918.4 MW of nameplate capacity. From January to July 2026 it reported 2.95 TWh, which is provisional. 10 of 12 months were reported for 2025.
Where is Gallatin (TN)?
Gallatin (TN) is in Sumner County, Tennessee, at 36.3156, −86.4006. It is in the Tennessee Valley Authority balancing area (TVA).
Who operates Gallatin (TN)?
EIA-860M for August 2026 lists Tennessee Valley Authority as the operator (EIA operator ID 18642). The operator is not always the owner.
Is Gallatin (TN) a coal or a natural gas plant?
Both. Coal capacity totals 1,255.2 MW and natural gas capacity totals 663.2 MW.
When did Gallatin (TN) start operating?
Its first generator began operating in November 1956, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page