Sangamon County, IL interconnection queue
7 interconnection applications are pending in Sangamon County, IL, requesting 1.1 GW of new generating capacity, as of 15 August 2026. 2 projects have been built here and 9 have been withdrawn since 2018.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 Sangamon County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 5 | 870 MW |
| Hybrid | 2 | 215 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 2 | 1.1 GW | 11.1% |
| Still pending | 7 | 1.1 GW | 38.9% |
| Withdrawn | 9 | 1.4 GW | 50.0% |
| 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 |
|---|---|---|---|---|---|
| Austin Substation 345kV Bus | Gas | 1.0 GW | completed | 2018-03 | MISO |
| Meredosia to Ipava 345 kV | Hybrid | 400 MW | withdrawn | 2021-08 | MISO |
| 343505 Interstate | Solar | 380 MW | withdrawn | 2024-04 | MISO |
| 7AUSTIN - 7TURNER 345.0kV | Solar | 220 MW | active | 2024-04 | MISO |
| Latham | Solar | 200 MW | active | 2022-09 | MISO |
| Turner 345kv Substation | Wind | 200 MW | withdrawn | 2022-09 | MISO |
| 343505 Interstate | Solar | 200 MW | active | 2024-04 | MISO |
| Turner | Solar | 150 MW | active | 2025-10 | MISO |
| Fancy Creek 138kV Substation | Solar | 120 MW | withdrawn | 2024-04 | MISO |
| 4Auburn N-4Jacksnvl 138kV | Hybrid | 115 MW | active | 2022-09 | MISO |
| 4AUSTIN - 4VIRDEN 138.0kV | Hybrid | 100 MW | active | 2022-09 | MISO |
| Auburn North to Chatham Main 138kV | Solar | 100 MW | completed | 2020-06 | MISO |
| Westchester 138 kV station - PSSE bus 343513 | Solar | 100 MW | withdrawn | 2022-09 | MISO |
| 343515 Chatham Main - 346555 North Aurburn (Ameren) 138.0kV | Solar | 100 MW | active | 2025-11 | MISO |
| Austin-1 138 kV substation | Hybrid | 99 MW | withdrawn | 2020-06 | MISO |
How this county ranks
Sangamon County ranks #352 of 1,607 US counties by capacity currently queued, and #16 of 64 in Illinois.
Other Illinois counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Lee County | 12 | 6.4 GW |
| Will County | 5 | 4.3 GW |
| McLean County | 11 | 2.9 GW |
| Ogle County | 5 | 2.9 GW |
| LaSalle County | 7 | 2.8 GW |
| Christian County | 8 | 2.3 GW |
| Peoria County | 7 | 2.1 GW |
| Tazewell County | 10 | 1.9 GW |
Go deeper on Sangamon 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 Sangamon County on the map County reports All of Illinois