Marion County, IL interconnection queue
3 interconnection applications are pending in Marion County, IL, requesting 450 MW of new generating capacity, as of 15 August 2026. 1 projects have been built here and 3 have been withdrawn since 2019.
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 Marion County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 2 | 300 MW |
| Hybrid | 1 | 150 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 1 | 99 MW | 14.3% |
| Still pending | 3 | 450 MW | 42.9% |
| Withdrawn | 3 | 600 MW | 42.9% |
| 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 |
|---|---|---|---|---|---|
| Kinmundy 138kV | Solar | 200 MW | withdrawn | 2022-09 | MISO |
| Kinmundy 138kV | Solar | 200 MW | withdrawn | 2022-09 | MISO |
| 7Xenia- 7MT Vrnon 345 KV | Solar | 200 MW | withdrawn | 2022-09 | MISO |
| South Belleville | Solar | 200 MW | active | 2025-12 | MISO |
| 4KINMUNDY-4TANNER 138kv | Hybrid | 150 MW | active | 2022-09 | MISO |
| Kinmundy to Salem 138 kV | Solar | 100 MW | active | 2022-09 | MISO |
| Kinmundy - Salem 138kV Line | Solar | 99 MW | completed | 2019-04 | MISO |
How this county ranks
Marion County ranks #656 of 1,607 US counties by capacity currently queued, and #48 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 Marion 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 Marion County on the map County reports All of Illinois