Montana interconnection queue
45 interconnection applications are pending in Montana, requesting 10.5 GW of new generating capacity across 29 counties, as of 15 August 2026. That places Montana #32 of 47 states by capacity queued.
Pending applications
45
of 524 ever filed
Capacity queued
10.5 GW
requested, not committed
Already built
3.5 GW
70 connected
Built vs decided
15.2%
392 withdrawn
Counties in the queue
29
with five or more filings
Large load requested
466 MW
9 requests
Source: the interconnection queues of every transmission provider operating in Montana. Parsed and normalised by Watt Street. Data as of 15 August 2026.
Which queues serve Montana
| Queue or utility | Applications | Capacity pending |
|---|---|---|
| NWMT | 429 | 7.1 GW |
| PacifiCorp | 19 | 2.0 GW |
| Avista | 5 | 900 MW |
| SPP | 14 | 374 MW |
| WAPA-IS | 30 | 100 MW |
| BPA | 22 | 9 MW |
| PSE | 1 | 0 MW |
| MISO | 1 | 0 MW |
| IP | 3 | 0 MW |
What is waiting in Montana, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Wind | 16 | 7.1 GW |
| Solar | 14 | 2.6 GW |
| Gas | 4 | 487 MW |
| Battery | 2 | 100 MW |
| Hydro | 5 | 92 MW |
| Hybrid | 1 | 74 MW |
| Biomass | 3 | 8 MW |
Counties with the most capacity queued
| County | Pending | Capacity queued | Already built |
|---|---|---|---|
| Wheatland County | 8 | 3.2 GW | 159 MW |
| Rosebud County | 5 | 2.9 GW | 790 MW |
| Meagher County | 4 | 1.5 GW | 21 MW |
| Yellowstone County | 6 | 1.2 GW | 139 MW |
| Big Horn County | 3 | 608 MW | 112 MW |
| Stillwater County | 4 | 595 MW | 82 MW |
| Broadwater County | 2 | 160 MW | 0 MW |
| Cascade County | 1 | 70 MW | 54 MW |
| Lewis and Clark County | 3 | 19 MW | 30 MW |
| Flathead County | 5 | 9 MW | 0 MW |
| Gallatin County | 1 | 2 MW | 3 MW |
| Beaverhead County | 0 | 0 MW | 160 MW |
| Carbon County | 0 | 0 MW | 240 MW |
| Chouteau County | 0 | 0 MW | 2 MW |
| Dawson County | 0 | 0 MW | 0 MW |
| Deer Lodge County | 0 | 0 MW | 213 MW |
| Glacier County | 0 | 0 MW | 305 MW |
| Golden Valley County | 0 | 0 MW | 31 MW |
| Judith Basin County | 0 | 0 MW | 120 MW |
| Liberty County | 0 | 0 MW | 16 MW |
| Madison County | 0 | 0 MW | 4 MW |
| Missoula County | 0 | 0 MW | 0 MW |
| Pondera County | 0 | 0 MW | 0 MW |
| Roosevelt County | 0 | 0 MW | 128 MW |
| Sanders County | 0 | 0 MW | 54 MW |
Large-load connection requests in Montana
9 requests to connect large new demand, totalling 466 MW.
| Request | Capacity | County | Status | Queue |
|---|---|---|---|---|
| Rainbow Energy | 300 MW | Flathead County | withdrawn | BPA |
| Amnet | 70 MW | Flathead County | withdrawn | BPA |
| Four Mile Drive (Kalispell West) | 35 MW | Lincoln County | active | BPA |
| Whitefish Stage Road_HWY 40 | 35 MW | Flathead County | withdrawn | BPA |
| Montanore Mine | 26 MW | Lincoln County | withdrawn | BPA |
| Merchant Txm Line-Townsend | — | Jefferson County | withdrawn | BPA |
| Merchant Txm Line-Garrison | — | Powell County | withdrawn | BPA |
| Flathead Substation 230kV Bay | — | Flathead County | active | BPA |
| Kalispell Substation | — | Flathead County | withdrawn | BPA |
Montana on the map
Every application above is plotted, searchable and clickable.