Interconnection queue in Montana
Data: Lawrence Berkeley National Laboratory and GridTracker, Queued Up, as of Dec 31, 2025.
This is an annual snapshot. A request's status may have changed since. Current status at Interconnection.fyi.
LBNL licenses the file CC BY 4.0, so project rows are shown and the file can be downloaded from our data library.
Statewide
- Active capacity
- 11,284 MW
- Active requests
- 45
- Median years in queue (active)
- 4.9
- Withdrawn, of requests entered by 2020
- 78%
| Type | Active capacity (MW) | Projects |
|---|---|---|
| Solar | 302 | 2 |
| Wind | 7,173 | 17 |
| Storage | 100 | 2 |
| Gas | 487 | 4 |
| Hybrid | 2,484 | 14 |
| Other | 738 | 6 |
By county
| County | Active capacity (MW) | Projects | Solar | Wind | Storage | Gas | Hybrid | Other | Median years in queue (active) | Withdrawn, of requests entered by 2020 |
|---|---|---|---|---|---|---|---|---|---|---|
| Wheatland | 3,176 | 8 | 3,026 | 150 | 4.5 | 64% of 36 | ||||
| Rosebud | 2,900 | 5 | 2,100 | 800 | 4.9 | 81% of 26 | ||||
| Meagher | 1,527 | 4 | 1,527 | 6.8 | 50% of 24 | |||||
| Yellowstone | 1,175 | 6 | 100 | 175 | 900 | 6.7 | 60% of 25 | |||
| Lincoln | 646 | 1 | 646 | 8.6 | ||||||
| Stillwater | 595 | 4 | 150 | 445 | 3.3 | |||||
| Wibaux | 335 | 3 | 225 | 110 | 7.2 | |||||
| Big Horn | 300 | 1 | 300 | 3.9 | 90% of 20 | |||||
| Custer | 225 | 1 | 225 | 0.8 | ||||||
| Broadwater | 160 | 2 | 150 | 10 | 1.6 | |||||
| Richland | 75 | 1 | 75 | 5.7 | ||||||
| Cascade | 70 | 1 | 70 | 3.1 | 86% of 42 | |||||
| Musselshell | 70 | 1 | 70 | 5.0 | ||||||
| Lewis And Clark | 19 | 3 | 12 | 5 | 2 | 2.9 | ||||
| Bighorn | 8 | 1 | 8 | 0.3 | ||||||
| Gallatin | 2 | 1 | 2 | 2.1 | ||||||
| Flathead | 2 | 2 | 0 | 2 | 2.3 | |||||
| Sanders | 0 | 0 | ||||||||
| Deer Lodge | 0 | 0 | ||||||||
| Silver Bow | 0 | 0 | 92% of 24 | |||||||
| Powell | 0 | 0 | ||||||||
| Lake | 0 | 0 | ||||||||
| Beaverhead | 0 | 0 | ||||||||
| County not given | 0 | 0 | ||||||||
| Liberty | 0 | 0 | ||||||||
| Dawson | 0 | 0 | ||||||||
| Fallon | 0 | 0 | ||||||||
| Teton | 0 | 0 | ||||||||
| Sweet Grass | 0 | 0 | ||||||||
| Golden Valley | 0 | 0 | ||||||||
| Judith Basin | 0 | 0 | 86% of 22 | |||||||
| Carbon | 0 | 0 | ||||||||
| Glacier | 0 | 0 | ||||||||
| Madison | 0 | 0 | ||||||||
| Valley | 0 | 0 | ||||||||
| Missoula | 0 | 0 | ||||||||
| Jefferson | 0 | 0 | ||||||||
| Chouteau | 0 | 0 | ||||||||
| Pondera | 0 | 0 | ||||||||
| Phillips | 0 | 0 | ||||||||
| Hill | 0 | 0 | ||||||||
| Park | 0 | 0 | ||||||||
| Fergus | 0 | 0 | ||||||||
| Granite | 0 | 0 | ||||||||
| Roosevelt | 0 | 0 | ||||||||
| Mccone | 0 | 0 | ||||||||
| Blaine | 0 | 0 |
Capacity is each request's first-listed capacity, so a hybrid's battery is not added on top. Most requests in a queue never get built.
Active requests
Status is as of Dec 31, 2025. Current status at Interconnection.fyi.
| Project | County | Type | MW | Entered the queue | Study phase | Utility or operator | Live status |
|---|---|---|---|---|---|---|---|
| 435 | Rosebud | Solar+Battery | 800 | 2022-11-04 | Facility Study | NorthWestern Energy | Current status |
| 356 | Rosebud | Wind | 750 | 2018-10-09 | Facility Study | NorthWestern Energy | Current status |
| 357 | Rosebud | Wind | 750 | 2018-10-09 | Facility Study | NorthWestern Energy | Current status |
| 418 | Wheatland | Wind | 750 | 2022-01-10 | System Impact Study | NorthWestern Energy | Current status |
| C012 | Wheatland | Wind | 750 | 2020-07-31 | PacifiCorp | Current status | |
| G0566 | Lincoln | Hydro | 646 | 2017-06-05 | Facility Study | BPA | Current status |
| 82 | Meagher | Wind | 600 | 2019-02-20 | IA Executed | Avista Utilities | Current status |
| 361 | Wheatland | Wind | 600 | 2019-03-15 | Facility Study | NorthWestern Energy | Current status |
| C006 | Wheatland | Wind | 600 | 2019-02-21 | PacifiCorp | Current status | |
| 390 | Yellowstone | Solar+Wind+Battery | 500 | 2020-08-13 | Facility Study | NorthWestern Energy | Current status |
| 408 | Wheatland | Wind | 326 | 2021-02-04 | Facility Study | NorthWestern Energy | Current status |
| C013 | Meagher | Wind | 326 | 2021-01-28 | PacifiCorp | Current status | |
| 300 | Stillwater | Wind+Battery | 315 | 2016-07-11 | Facility Study | NorthWestern Energy | Current status |
| 83 | Meagher | Wind | 300 | 2019-03-27 | IA Executed | Avista Utilities | Current status |
| C007 | Meagher | Wind | 300 | 2019-03-27 | PacifiCorp | Current status | |
| 311 | Yellowstone | Solar+Battery | 300 | 2017-02-27 | Facility Study | NorthWestern Energy | Current status |
| 406 | Rosebud | Wind | 300 | 2021-02-02 | Facility Study | NorthWestern Energy | Current status |
| 407 | Rosebud | Wind | 300 | 2021-02-02 | Facility Study | NorthWestern Energy | Current status |
| 419 | Big Horn | Solar | 300 | 2022-02-10 | System Impact Study | NorthWestern Energy | Current status |
| GEN-2024-216 | Custer | Wind | 225 | 2025-03-01 | System Impact Study | WAPA | Current status |
| 378 | Yellowstone | Gas | 175 | 2020-05-08 | Facility Study | NorthWestern Energy | Current status |
| 464 | Broadwater | Gas | 150 | 2024-06-07 | NorthWestern Energy | Current status | |
| 465 | Stillwater | Gas | 150 | 2024-06-07 | NorthWestern Energy | Current status | |
| GEN-2018-069 | Wibaux | Wind | 125 | 2018-10-26 | IA Executed | WAPA | Current status |
| GEN-2019-023 | Wibaux | Wind+Battery | 110 | 2019-05-08 | IA Executed | WAPA | Current status |
| 455 | Yellowstone | Battery | 100 | 2024-01-15 | Feasibility Study | NorthWestern Energy | Current status |
| GI-1506 | Wibaux | Wind | 100 | 2015-04-20 | In Progress (unknown study) | WAPA/BEPC/HCPD Integrated System | Current status |
| 309 | Yellowstone | Solar+Battery | 80 | 2016-12-09 | Facility Study | NorthWestern Energy | Current status |
| GEN-2020-083 | Richland | Solar+Battery | 75 | 2020-04-30 | IA Executed | WAPA | Current status |
| 401 | Musselshell | Wind | 70 | 2021-01-15 | Facility Study | NorthWestern Energy | Current status |
| 437 | Cascade | Hydro | 70 | 2022-12-07 | Feasibility Study | NorthWestern Energy | Current status |
| 433 | Stillwater | Solar+Battery | 65 | 2022-09-06 | Facility Study | NorthWestern Energy | Current status |
| 434 | Stillwater | Solar+Battery | 65 | 2022-09-06 | Facility Study | NorthWestern Energy | Current status |
| 417 | Wheatland | Solar+Battery | 50 | 2021-11-19 | Facility Study | NorthWestern Energy | Current status |
| 431 | Wheatland | Solar+Battery | 50 | 2022-09-06 | Facility Study | NorthWestern Energy | Current status |
| 432 | Wheatland | Solar+Battery | 50 | 2022-09-06 | Facility Study | NorthWestern Energy | Current status |
| 340 | Yellowstone | Solar+Battery | 20 | 2018-03-05 | Facility Study | NorthWestern Energy | Current status |
| 441 | Lewis And Clark | Gas | 12 | 2023-01-25 | System Impact Study | NorthWestern Energy | Current status |
| 458 | Broadwater | Hydro | 10 | 2024-04-18 | NorthWestern Energy | Current status | |
| T2-077 | Bighorn | Hydro | 8 | 2025-09-12 | PacifiCorp | Current status | |
| 440 | Lewis And Clark | Solar+Battery | 5 | 2023-01-25 | System Impact Study | NorthWestern Energy | Current status |
| 457 | Lewis And Clark | Hydro | 2 | 2024-03-13 | System Impact Study | NorthWestern Energy | Current status |
| 454 | Gallatin | Solar | 2 | 2023-12-11 | Feasibility Study | NorthWestern Energy | Current status |
| G0710 | Flathead | Other | 2 | 2021-11-02 | In Progress (unknown study) | BPA | Current status |
| G1085 | Flathead | Battery | 0 | 2025-08-29 | In Progress (unknown study) | BPA | Current status |
Lawrence Berkeley National Laboratory and GridTracker · Queued Up: Interconnection Queue Data File (Lawrence Berkeley National Laboratory) · data for 2025 · as of May 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by May 7, 2027. Last checked for an update: Oct 31, 2026.