Jefferson County, ID interconnection queue
0 interconnection applications are pending in Jefferson County, ID, requesting 0 MW of new generating capacity, as of 15 August 2026. 1 projects have been built here and 8 have been withdrawn since 2007.
Source: interconnection queues published by the transmission providers serving this county. 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 Jefferson County, by fuel
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 1 | 2 MW | 11.1% |
| Still pending | 0 | 0 MW | 0.0% |
| Withdrawn | 8 | 938 MW | 88.9% |
| 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 |
|---|---|---|---|---|---|
| C3-173 | Battery | 200 MW | withdrawn | 2023-05 | PacifiCorp |
| C2-123 | Solar | 199 MW | withdrawn | 2022-05 | PacifiCorp |
| C2-60 | Solar | 199 MW | withdrawn | 2022-05 | PacifiCorp |
| C3-159 | Solar | 199 MW | withdrawn | 2023-05 | PacifiCorp |
| C3-172 | Battery | 100 MW | withdrawn | 2023-05 | PacifiCorp |
| 667 | Solar | 20 MW | withdrawn | 2015-05 | PacifiCorp |
| 668 | Solar | 20 MW | withdrawn | 2015-05 | PacifiCorp |
| 256 | Other | 2 MW | completed | 2009-01 | PacifiCorp |
| 144 | Other | 2 MW | withdrawn | 2007-06 | PacifiCorp |
How this county ranks
Jefferson County ranks #1312 of 1,607 US counties by capacity currently queued, and #25 of 27 in Idaho.
Other Idaho counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Elmore County | 10 | 2.5 GW |
| Ada County | 11 | 2.0 GW |
| Bingham County | 8 | 1.8 GW |
| Power County | 4 | 1.6 GW |
| Owyhee County | 5 | 993 MW |
| Canyon County | 4 | 594 MW |
| Jerome County | 2 | 320 MW |
| Bannock County | 2 | 301 MW |
Go deeper on Jefferson 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 Jefferson County on the map County reports All of Idaho