Power plants planned and retiring in Montana
Montana plans 1,167 MW, 16% of its 7,256 MW in service (23rd of 51). 80 MW is being built or tested; wind leads at 710 MW.
Montana: planned against running
Montana planned, by fuel
- Solar 200 MW (17%)
- Storage 250 MW (21%)
- Wind 710 MW (61%)
- Hydro 7 MW (1%)
Montana operating, by fuel
- Solar 181 MW (2%)
- Wind 1,957 MW (27%)
- Natural gas 561 MW (8%)
- Coal 1,626 MW (22%)
- Hydro 2,832 MW (39%)
- Oil 52 MW (1%)
- Other 46 MW (1%)
When Montana capacity arrives and leaves
MW due online and retiring in Montana, 2027 to 2031: 4 rows
| Year | Montana planned MW | Montana retiring MW |
|---|---|---|
| 2027 | 450 | No data |
| 2028 | 4 | 3 |
| 2029 | 84 | No data |
| 2031 | 630 | No data |
4 rows from EIA-860M.
CSVMontana projects dated after 2035 or without a year: 0 MW.
Where the Montana projects are
Montana: 4 counties shaded, darker for more planned MW.
Filter Montana planned projects
Filter the 7 planned project lines in Montana.
1,167 MW across 7 project lines, 16% of the 7,256 MW operating in Montana.
- Haymaker Hybrid, Wheatland: 630 MW wind, online 2031
- Anthelope Hills Solar Generation BESS, Beaverhead: 200 MW solar, online 2027
- Anthelope Hills Solar Generation BESS, Beaverhead: 200 MW storage, online 2027
- Jawbone Wind Project, Wheatland: 80 MW wind, online 2029
- Beartooth Energy Storage LLC, Yellowstone: 50 MW storage, online 2027
What the Montana numbers say
Montana runs 7,256 MW today. The planned list would add 1,167 MW (16%) while 3 MW (0%) of operating units carry a retirement date. Through 2035, Montana has 1,167 MW due online and 3 MW due to retire there.
Montana planned mix: 99% solar, storage and wind, 0% natural gas. Montana stages: 80 MW under construction or in testing, 450 MW permits pending, 637 MW early planning, no approvals started. Montana retired 66 MW from 2021 to 2026 and has 1,334 MW on the canceled or postponed list.
Montana capacity by fuel and status
| Montana fuel | Operating MW | Planned MW | Retiring MW | Retired MW | Canceled in Montana, MW |
|---|---|---|---|---|---|
| Solar | 181 | 200 | – | – | 350 |
| Storage | – | 250 | – | – | 400 |
| Wind | 1,957 | 710 | – | – | 578 |
| Natural gas | 561 | – | – | – | – |
| Coal | 1,626 | – | – | 57 | – |
| Hydro | 2,832 | 7 | 3 | 9 | 6 |
| Oil | 52 | – | – | – | – |
| Other | 46 | – | – | – | – |
| All fuels | 7,256 | 1,167 | 3 | 66 | 1,334 |
Montana counties with the most planned capacity
| Montana county | Planned, MW | Generators | Largest fuel |
|---|---|---|---|
| Wheatland County | 710 | 2 | Wind |
| Beaverhead County | 400 | 2 | Solar |
| Yellowstone County | 50 | 1 | Storage |
| Lewis and Clark County | 7 | 2 | Hydro |
Largest planned projects in Montana
| Montana plant | County | Fuel | Stage | Due | MW |
|---|---|---|---|---|---|
| Haymaker Hybrid | Wheatland | Wind | Early planning, no approvals started | 2031 | 630 |
| Anthelope Hills Solar Generation BESS | Beaverhead | Solar | Permits pending | 2027 | 200 |
| Anthelope Hills Solar Generation BESS | Beaverhead | Storage | Permits pending | 2027 | 200 |
| Jawbone Wind Project | Wheatland | Wind | Under construction or in testing | 2029 | 80 |
| Beartooth Energy Storage LLC | Yellowstone | Storage | Permits pending | 2027 | 50 |
| Hauser | Lewis and Clark | Hydro | Early planning, no approvals started | 2028 | 4 |
| Hauser | Lewis and Clark | Hydro | Early planning, no approvals started | 2029 | 4 |
Montana against its neighbors
Montana: planned MW equal 16% of operating. Bordering states: Idaho plans 15% of what it runs (1 points below Montana); North Dakota plans 21% of what it runs (5 points above Montana); South Dakota plans 5% of what it runs (11 points below Montana); Wyoming plans 60% of what it runs (44 points above Montana).
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Sources
EIA-860M inventory for Montana: 167 operating generators, 7 planned lines, edition August 2026, retrieved 5 Oct 2026. Sources for {e(sn)}.
More on Montana
Questions
Montana: how much new power plant capacity is planned?
1,167 MW, 16% of the 7,256 MW Montana runs. 80 MW is being built or tested in Montana.
Montana: what kind of power plants are planned?
Wind leads Montana with 710 of 1,167 planned MW.
Montana: which power plants are retiring?
3 MW of Montana units have a retirement date, of which 0 MW is coal and 0 MW natural gas.
Will Montana get all the planned plants?
Not necessarily. Montana has 1,334 MW canceled or postponed, and 66 MW (coal the largest group) retired from 2021 to 2026.