Montana Interconnection Projects
interXdata tracks 779 interconnection projects in Montana representing 89,227 MW of requested capacity. The dominant technology by capacity is Wind. The most active counties are Cascade, Yellowstone, Wheatland.
779Total projects
94Active
244Operational
416Withdrawn
89,227 MWRequested capacity
34,068 MWActive capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Wind | 277 | 44,247 MW |
| Solar | 180 | 10,275 MW |
| Solar+Battery | 42 | 9,930 MW |
| Gas | 75 | 7,009 MW |
| Other | 113 | 6,255 MW |
| Battery | 35 | 6,227 MW |
| Coal | 11 | 2,394 MW |
| Other Storage | 5 | 1,052 MW |
| Wind+Battery | 4 | 1,035 MW |
| Hydro | 33 | 526 MW |
| Gas+Battery | 1 | 200 MW |
| Wind+Gas | 1 | 62 MW |
| Other+Coal | 1 | 12 MW |
| Diesel | 1 | 2 MW |
Counties
| County | Projects | Requested capacity |
|---|---|---|
| Cascade | 66 | 2,827 MW |
| Yellowstone | 55 | 4,772 MW |
| Wheatland | 47 | 6,642 MW |
| Rosebud | 43 | 11,335 MW |
| Lewis And Clark | 36 | 479 MW |
| Silver Bow | 33 | 2,563 MW |
| Meagher | 30 | 5,762 MW |
| Big Horn | 30 | 2,447 MW |
| Yellowstone County | 27 | 11,735 MW |
| Stillwater | 25 | 3,147 MW |
| Judith Basin | 24 | 834 MW |
| Madison | 23 | 536 MW |
| Teton | 21 | 283 MW |
| Flathead | 20 | 853 MW |
| Sanders | 18 | 1,210 MW |
| Sweet Grass | 17 | 1,182 MW |
| Deer Lodge | 16 | 1,947 MW |
| Golden Valley | 14 | 772 MW |
| Roosevelt | 14 | 657 MW |
| Gallatin | 14 | 158 MW |
| Broadwater | 11 | 602 MW |
| Dawson | 10 | 1,382 MW |
| Chouteau | 10 | 60 MW |
| Missoula | 9 | 246 MW |
| Valley | 9 | 403 MW |
| Carbon | 9 | 671 MW |
| Liberty | 9 | 152 MW |
| Lincoln | 9 | 1,352 MW |
| Beaverhead | 8 | 1,089 MW |
| Glacier | 8 | 545 MW |
| Pondera | 7 | 863 MW |
| Lake | 6 | 468 MW |
| Fallon | 6 | 572 MW |
| Wibaux | 6 | 504 MW |
| Jefferson | 5 | 315 MW |
| McCone | 5 | 180 MW |
| Custer | 5 | 1,706 MW |
| Powell | 5 | 940 MW |
| Hill | 4 | 12 MW |
| Fergus | 4 | 106 MW |
Largest projects
Top developers in Montana
| Developer (canonical) | Projects | Capacity |
|---|---|---|
| Flathead Electric Cooperative, Inc. | 9 | 471 MW |
| Gaelectric | 3 | 276 MW |
| Tonbridge Power Inc | 2 | 0 MW |
| Continental Energy Services, Inc. | 1 | 400 MW |
| MT DEQ (Landusky) | 1 | 0 MW |
| Sand Creek Wind | 1 | 75 MW |
| Orion Wind Resources | 1 | 91 MW |
| F.H. Stoltze Land and Lumber Co. | 1 | 3 MW |
| BPA Power Services | 1 | 120 MW |
| City of Whitefish, Montana | 1 | 1 MW |
| PacifiCorp | 1 | 240 MW |
| Evergreen Wind, LLC | 1 | 78 MW |
| BEPC | 1 | 120 MW |
Recent material changes
| Observed | Project | Field | Old | New |
|---|---|---|---|---|
| 2026-09-02 | Beaver Creek Wind Facility | capacity_mw | 62.0 | 248 |
Explore related data
Source last checked2026-07-31
Data last materially changed2026-10-11
Page data generated2026-10-11
Provenance: bpa-oasis; U.S. EIA — Form EIA-860M generator inventory (operating + planned); Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; MISO — generator interconnection queue; northwestern-oasis; pacificorp-oasis; pse-oasis; Southwest Power Pool — generator interconnection queue; wapa-rm-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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