Clinton County, IA interconnection queue
3 interconnection applications are pending in Clinton County, IA, requesting 610 MW of new generating capacity, as of 15 August 2026. 3 projects have been built here and 1 have been withdrawn since 2018.
Source: interconnection queues published by MISO. 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 Clinton County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Hybrid | 1 | 250 MW |
| Solar | 1 | 200 MW |
| Gas | 1 | 160 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 3 | 600 MW | 42.9% |
| Still pending | 3 | 610 MW | 42.9% |
| Withdrawn | 1 | 125 MW | 14.3% |
| 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 |
|---|---|---|---|---|---|
| Salem - Rock Creek 345kV Line | Wind | 250 MW | completed | 2019-04 | MISO |
| Calamus East | Hybrid | 250 MW | active | 2021-07 | MISO |
| Calamus East 161 kV Substation | Solar | 200 MW | completed | 2019-01 | MISO |
| Calamus East | Solar | 200 MW | active | 2025-07 | MISO |
| Beaver Channel 161 kV Substation | Gas | 160 MW | active | 2022-09 | MISO |
| Rock Creek 345 kV Substation | Solar | 150 MW | completed | 2018-03 | MISO |
| Rock Creek-DeWitt 161kV line | Solar | 125 MW | withdrawn | 2020-06 | MISO |
How this county ranks
Clinton County ranks #548 of 1,607 US counties by capacity currently queued, and #5 of 21 in Iowa.
Other Iowa counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Linn County | 10 | 2.3 GW |
| Cerro Gordo County | 5 | 1.4 GW |
| Washington County | 3 | 1.1 GW |
| Marshall County | 4 | 717 MW |
| Franklin County | 3 | 560 MW |
| Webster County | 2 | 470 MW |
| Story County | 2 | 400 MW |
| Muscatine County | 3 | 329 MW |
Go deeper on Clinton 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.