Lake County, IL interconnection queue
1 interconnection applications are pending in Lake County, IL, requesting 635 MW of new generating capacity, as of 15 August 2026. 2 projects have been built here and 12 have been withdrawn since 2006.
Source: interconnection queues published by PJM. 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 Lake County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Battery | 1 | 635 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 2 | 1.2 GW | 13.3% |
| Still pending | 1 | 635 MW | 6.7% |
| Withdrawn | 12 | 2.8 GW | 80.0% |
| 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 |
|---|---|---|---|---|---|
| Zion Energy Center | Gas | 945 MW | withdrawn | 2012-11 | PJM |
| Zion Energy Center 345 kV | Solar | 658 MW | withdrawn | 2021-07 | PJM |
| Zion Energy Center 345 kV | Battery | 635 MW | active | 2019-11 | PJM |
| Zion 345kV | Gas | 585 MW | completed | 2007-06 | PJM |
| Zion Energy Center | Gas | 585 MW | completed | 2012-12 | PJM |
| Waukegan Unit 8 CIR Transfer | Battery | 354 MW | withdrawn | 2023-05 | PJM |
| Waukegan Unit 7 CIR Transfer | Battery | 328 MW | withdrawn | 2023-05 | PJM |
| Silver Lake 345kV | Gas | 225 MW | withdrawn | 2011-05 | PJM |
| Zion-Zion Energy Center | Unknown | 133 MW | withdrawn | 2014-07 | PJM |
| Waukegan 138 kV | Battery | 80 MW | withdrawn | 2021-09 | PJM |
| Antioch | Wind | 20 MW | withdrawn | 2009-10 | PJM |
| Libertyville 12kV | Gas | 8 MW | withdrawn | 2011-01 | PJM |
| Zion 12kV | Gas | 6 MW | withdrawn | 2015-09 | PJM |
| Zion 12kV | Gas | 6 MW | withdrawn | 2006-04 | PJM |
| Waukegan 13 kV | Battery | 4 MW | withdrawn | 2018-09 | PJM |
How this county ranks
Lake County ranks #539 of 1,607 US counties by capacity currently queued, and #37 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 Lake 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.