Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/3403
EIA plant 3403
Gallatin · Sumner · TN
Gallatin (TN)
Operated by Tennessee Valley Authority
Published location
Where is Gallatin (TN)?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
36.315600, -86.400600
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
Equipment mix
Operating capacity by technology
Grouped from this plant’s represented generator records. Use the TN plant index for regional peers.
See the evidence
Electricity output across the year
Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.
1463,415
2240,164
3146,891
4135,955
5202,864
6342,280
7457,910
8499,496
9504,938
10494,499
11252,888
12416,920
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.
Read the chart as a table
| Record | MWh net generation |
|---|---|
| 1 | 463,415 |
| 2 | 240,164 |
| 3 | 146,891 |
| 4 | 135,955 |
| 5 | 202,864 |
| 6 | 342,280 |
| 7 | 457,910 |
| 8 | 499,496 |
| 9 | 504,938 |
| 10 | 494,499 |
| 11 | 252,888 |
| 12 | 416,920 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 463,415 MWh |
| 2 | 240,164 MWh |
| 3 | 146,891 MWh |
| 4 | 135,955 MWh |
| 5 | 202,864 MWh |
| 6 | 342,280 MWh |
| 7 | 457,910 MWh |
| 8 | 499,496 MWh |
| 9 | 504,938 MWh |
| 10 | 494,499 MWh |
| 11 | 252,888 MWh |
| 12 | 416,920 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 3 | Conventional Steam Coal | SUB | 327.6 | OP |
| 4 | Conventional Steam Coal | SUB | 327.6 | OP |
| 1 | Conventional Steam Coal | BIT | 300 | OP |
| 2 | Conventional Steam Coal | SUB | 300 | OP |
| GT5 | Natural Gas Fired Combustion Turbine | NG | 84.5 | OP |
| GT6 | Natural Gas Fired Combustion Turbine | NG | 84.5 | OP |
| GT7 | Natural Gas Fired Combustion Turbine | NG | 84.5 | OP |
| GT8 | Natural Gas Fired Combustion Turbine | NG | 84.5 | OP |
| GT1 | Natural Gas Fired Combustion Turbine | NG | 81.3 | OP |
| GT2 | Natural Gas Fired Combustion Turbine | NG | 81.3 | OP |
| GT3 | Natural Gas Fired Combustion Turbine | NG | 81.3 | OP |
| GT4 | Natural Gas Fired Combustion Turbine | NG | 81.3 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
3403
Sector
Electric Utility
Water source
Cumberland River
Data edition
2024-final
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right Gallatin (TN) power plant: capacity and generation | PowerPlantFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Gallatin (TN)
Variation in the published months
Across 12 numeric monthly generation entries, 9 has the highest recorded value (504,938 MWh) and 4 the lowest (135,955 MWh). Their difference is 368,983 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 12 numeric rows displayed in this table, MW ranges from 81.3 (GT1, GT2, GT3) to 327.6 (3, 4). The difference is 246.3 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| 1 | Conventional Steam Coal | 300.0 | 225.0 | 228.0 | 108.0 |
| 2 | Conventional Steam Coal | 300.0 | 225.0 | 228.0 | 108.0 |
| 3 | Conventional Steam Coal | 327.6 | 263.0 | 266.0 | 130.0 |
| 4 | Conventional Steam Coal | 327.6 | 263.0 | 266.0 | 130.0 |
| GT1 | Natural Gas Fired Combustion Turbine | 81.3 | 71.5 | 88.7 | 10.0 |
| GT2 | Natural Gas Fired Combustion Turbine | 81.3 | 71.5 | 88.7 | 10.0 |
| GT3 | Natural Gas Fired Combustion Turbine | 81.3 | 71.5 | 88.7 | 10.0 |
| GT4 | Natural Gas Fired Combustion Turbine | 81.3 | 71.5 | 88.7 | 10.0 |
| GT5 | Natural Gas Fired Combustion Turbine | 84.5 | 73.4 | 93.7 | 57.0 |
| GT6 | Natural Gas Fired Combustion Turbine | 84.5 | 73.4 | 93.7 | 57.0 |
| GT7 | Natural Gas Fired Combustion Turbine | 84.5 | 73.4 | 93.7 | 57.0 |
| GT8 | Natural Gas Fired Combustion Turbine | 84.5 | 73.4 | 93.7 | 57.0 |
EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.
Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.