Power plants planned and retiring in Tennessee
Tennessee plans 3,340 MW, 16% of its 21,163 MW in service (24th of 51). 1,036 MW is being built or tested; natural gas leads at 2,728 MW.
Tennessee: planned against running
Tennessee planned, by fuel
- Solar 542 MW (16%)
- Storage 70 MW (2%)
- Natural gas 2,728 MW (82%)
Tennessee operating, by fuel
- Solar 1,251 MW (6%)
- Storage 1,616 MW (8%)
- Natural gas 6,238 MW (29%)
- Coal 4,704 MW (22%)
- Nuclear 4,523 MW (21%)
- Hydro 2,609 MW (12%)
- Oil 136 MW (1%)
- Other 87 MW (0%)
When Tennessee capacity arrives and leaves
MW due online and retiring in Tennessee, 2026 to 2034: 6 rows
| Year | Tennessee planned MW | Tennessee retiring MW |
|---|---|---|
| 2026 | 62 | No data |
| 2027 | 1880 | 703 |
| 2028 | 9 | 1710 |
| 2029 | 720 | No data |
| 2031 | No data | 1556 |
| 2034 | 670 | 1675 |
6 rows from EIA-860M.
CSVTennessee projects dated after 2035 or without a year: 0 MW.
Where the Tennessee projects are
Tennessee: 12 counties shaded, darker for more planned MW.
Filter Tennessee planned projects
Filter the 14 planned project lines in Tennessee.
3,340 MW across 14 project lines, 16% of the 21,163 MW operating in Tennessee.
- Kingston, Roane: 1,390 MW natural gas, online 2027
- Cumberland (TN), Stewart: 670 MW natural gas, online 2029
- Cumberland (TN), Stewart: 670 MW natural gas, online 2034
- SR Tullahoma, Moore: 200 MW solar, online 2027
- SR Copeland, Cumberland: 110 MW solar, online 2027
What the Tennessee numbers say
Tennessee runs 21,163 MW today. The planned list would add 3,340 MW (16%) while 5,644 MW (27%) of operating units carry a retirement date. Through 2035, Tennessee has 3,340 MW due online and 5,644 MW due to retire there.
Tennessee planned mix: 18% solar, storage and wind, 82% natural gas. Tennessee stages: 1,036 MW under construction or in testing, 195 MW permits received, not started, 2,109 MW early planning, no approvals started. Tennessee retired 1,577 MW from 2021 to 2026 and has 887 MW on the canceled or postponed list.
Tennessee capacity by fuel and status
| Tennessee fuel | Operating MW | Planned MW | Retiring MW | Retired MW | Canceled in Tennessee, MW |
|---|---|---|---|---|---|
| Solar | 1,251 | 542 | – | – | 6 |
| Storage | 1,616 | 70 | – | – | – |
| Wind | – | – | – | 29 | – |
| Natural gas | 6,238 | 2,728 | 1,051 | 286 | 881 |
| Coal | 4,704 | – | 4,593 | 865 | – |
| Nuclear | 4,523 | – | – | – | – |
| Hydro | 2,609 | – | – | – | – |
| Oil | 136 | – | – | 334 | – |
| Other | 87 | – | – | 63 | – |
| All fuels | 21,163 | 3,340 | 5,644 | 1,577 | 887 |
Tennessee counties with the most planned capacity
| Tennessee county | Planned, MW | Generators | Largest fuel |
|---|---|---|---|
| Roane County | 1,390 | 18 | Natural gas |
| Stewart County | 1,339 | 4 | Natural gas |
| Moore County | 200 | 1 | Solar |
| Cumberland County | 110 | 1 | Solar |
| Haywood County | 66 | 1 | Solar |
| Hardeman County | 55 | 1 | Solar |
| Henry County | 50 | 1 | Solar |
| Lake County | 50 | 1 | Storage |
| Madison County | 42 | 1 | Solar |
| Monroe County | 20 | 1 | Storage |
Largest planned projects in Tennessee
| Tennessee plant | County | Fuel | Stage | Due | MW |
|---|---|---|---|---|---|
| Kingston | Roane | Natural gas | Early planning, no approvals started | 2027 | 1,390 |
| Cumberland (TN) | Stewart | Natural gas | Early planning, no approvals started | 2029 | 670 |
| Cumberland (TN) | Stewart | Natural gas | Under construction or in testing | 2034 | 670 |
| SR Tullahoma | Moore | Solar | Under construction or in testing | 2027 | 200 |
| SR Copeland | Cumberland | Solar | Permits received, not started | 2027 | 110 |
| SR Durhamville | Haywood | Solar | Permits received, not started | 2027 | 66 |
| SR Middleton | Hardeman | Solar | Under construction or in testing | 2027 | 55 |
| Ridgely Energy Farm | Lake | Storage | Early planning, no approvals started | 2029 | 50 |
| SR Puryear | Henry | Solar | Under construction or in testing | 2027 | 50 |
| SR Denmark | Madison | Solar | Under construction or in testing | 2026 | 42 |
Tennessee against its neighbors
Tennessee: planned MW equal 16% of operating. Bordering states: Alabama plans 6% of what it runs (10 points below Tennessee); Arkansas plans 35% of what it runs (19 points above Tennessee); Georgia plans 16% of what it runs (0 points above Tennessee); Kentucky plans 16% of what it runs (1 points above Tennessee); Missouri plans 16% of what it runs (1 points above Tennessee); Mississippi plans 26% of what it runs (10 points above Tennessee); North Carolina plans 6% of what it runs (10 points below Tennessee); Virginia plans 24% of what it runs (9 points above Tennessee).
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Sources
EIA-860M inventory for Tennessee: 291 operating generators, 14 planned lines, edition August 2026, retrieved 5 Oct 2026. Sources for {e(sn)}.
More on Tennessee
Questions
Tennessee: how much new power plant capacity is planned?
3,340 MW, 16% of the 21,163 MW Tennessee runs. 1,036 MW is being built or tested in Tennessee.
Tennessee: what kind of power plants are planned?
Natural gas leads Tennessee with 2,728 of 3,340 planned MW.
Tennessee: which power plants are retiring?
5,644 MW of Tennessee units have a retirement date, of which 4,593 MW is coal and 1,051 MW natural gas.
Will Tennessee get all the planned plants?
Not necessarily. Tennessee has 887 MW canceled or postponed, and 1,577 MW (coal the largest group) retired from 2021 to 2026.