Rock County, WI interconnection queue
5 interconnection applications are pending in Rock County, WI, requesting 510 MW of new generating capacity, as of 15 August 2026. 7 projects have been built here and 2 have been withdrawn since 2016.
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 Rock County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Gas | 2 | 305 MW |
| Solar | 2 | 172 MW |
| Unknown | 1 | 33 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 7 | 719 MW | 50.0% |
| Still pending | 5 | 510 MW | 35.7% |
| Withdrawn | 2 | 140 MW | 14.3% |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 |
|---|---|---|---|---|---|
| RCEC Bradford - W. Darien 138kV Line | Solar | 250 MW | completed | 2017-06 | MISO |
| Rock River 138 kV Substations 1 (6 RICE) and 2 (5 RICE) | Gas | 205 MW | active | 2022-09 | MISO |
| Sunrise 138 kV Substation | Solar | 200 MW | completed | 2019-04 | MISO |
| Townline Road | Gas | 100 MW | active | 2022-09 | MISO |
| Beloit Gateway | Solar | 100 MW | active | 2022-09 | MISO |
| Wempletown - Rockdale 345kV Line Tap | Solar | 99 MW | completed | 2019-04 | MISO |
| J1304 POI 138 kV Substation | Solar | 75 MW | withdrawn | 2020-06 | MISO |
| New J1377 ATC Switching Station | Solar | 72 MW | active | 2025-10 | MISO |
| Paddock - Townline Rd 138 kV Line Tap | Solar | 65 MW | withdrawn | 2018-03 | MISO |
| Paddock - Townline Road 138kV Line | Solar | 65 MW | completed | 2019-04 | MISO |
| Sheepskin 69 kV Substation | Solar | 50 MW | completed | 2018-03 | MISO |
| Townline Rd. - Paddock 138kV | Unknown | 33 MW | active | 2022-08 | MISO |
| New Kitty Hawk 345kV substation | Gas | 30 MW | completed | 2016-11 | MISO |
| Sheepskin 69kV | Unknown | 25 MW | completed | 2022-05 | MISO |
How this county ranks
Rock County ranks #605 of 1,607 US counties by capacity currently queued, and #7 of 18 in Wisconsin.
Other Wisconsin counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Kenosha County | 6 | 1.9 GW |
| Walworth County | 4 | 1.6 GW |
| Portage County | 5 | 1.6 GW |
| Dane County | 3 | 1.3 GW |
| Columbia County | 6 | 1.3 GW |
| Fond du Lac County | 2 | 625 MW |
| Waushara County | 4 | 330 MW |
| Barron County | 3 | 295 MW |
Go deeper on Rock 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.