Big Horn County, MT interconnection queue
3 interconnection applications are pending in Big Horn County, MT, requesting 608 MW of new generating capacity, as of 15 August 2026. 2 projects have been built here and 22 have been withdrawn since 2001.
Source: interconnection queues published by NWMT, PacifiCorp, SPP. Parsed and normalised by Watt Street. Data as of 15 August 2026. A queued project is a request, not a commitment.
What is waiting in Big Horn County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 2 | 600 MW |
| Hydro | 1 | 8 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 2 | 112 MW | 7.4% |
| Still pending | 3 | 608 MW | 11.1% |
| Withdrawn | 22 | 1.6 GW | 81.5% |
| Suspended | 0 | — | 0.0% |
Withdrawal is the ordinary outcome of an interconnection application nationally, not a sign of a problem in this county. Most withdrawals are a developer testing a site and moving on.
The largest projects on file
| Project | Fuel | Capacity | Status | Filed | Queue |
|---|---|---|---|---|---|
| ASGI-2024-012 | Solar | 300 MW | active | — | SPP |
| 419 | Solar | 300 MW | active | 2022-02 | NWMT |
| 937 | Wind | 250 MW | withdrawn | 2017-08 | PacifiCorp |
| 430 | Solar | 200 MW | withdrawn | 2022-07 | NWMT |
| 459 | Solar | 200 MW | withdrawn | 2024-05 | NWMT |
| 5 | Coal | 109 MW | completed | 2001-04 | NWMT |
| GI-0306 | Coal | 109 MW | withdrawn | 2003-04 | WAPA-IS |
| 100-A | Wind | 99 MW | withdrawn | 2006-11 | PacifiCorp |
| 100-B | Wind | 99 MW | withdrawn | 2006-11 | PacifiCorp |
| 428 | Solar | 80 MW | withdrawn | 2022-05 | NWMT |
| 1089 | Solar | 80 MW | withdrawn | 2018-11 | PacifiCorp |
| 1090 | Solar | 80 MW | withdrawn | 2018-11 | PacifiCorp |
| 1091 | Solar | 80 MW | withdrawn | 2018-11 | PacifiCorp |
| 168 | Wind | 78 MW | withdrawn | 2007-10 | PacifiCorp |
| 208 | Wind | 78 MW | withdrawn | 2008-03 | PacifiCorp |
How this county ranks
Big Horn County ranks #550 of 1,607 US counties by capacity currently queued, and #5 of 29 in Montana.
Other Montana counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Wheatland County | 8 | 3.2 GW |
| Rosebud County | 5 | 2.9 GW |
| Meagher County | 4 | 1.5 GW |
| Yellowstone County | 6 | 1.2 GW |
| Stillwater County | 4 | 595 MW |
| Broadwater County | 2 | 160 MW |
| Cascade County | 1 | 70 MW |
| Lewis and Clark County | 3 | 19 MW |
Go deeper on Big Horn County
The interactive map plots every one of these applications, and a generated county report puts them in a sourced PDF with the date each figure was true on every page.
Open Big Horn County on the map County reports All of Montana