Sign in

Illinois interconnection queue

285 interconnection applications are pending in Illinois, requesting 68.3 GW of new generating capacity across 64 counties, as of 15 August 2026. That places Illinois #5 of 47 states by capacity queued.

Pending applications
285
of 1,198 ever filed
Capacity queued
68.3 GW
requested, not committed
Already built
52.6 GW
163 connected
Built vs decided
18.0%
745 withdrawn
Counties in the queue
64
with five or more filings
Large load requested
none recorded
0 requests

Source: the interconnection queues of every transmission provider operating in Illinois. Parsed and normalised by Watt Street. Data as of 15 August 2026.

Which queues serve Illinois

Queue or utilityApplicationsCapacity pending
MISO49239.4 GW
PJM70629.0 GW

What is waiting in Illinois, by fuel

FuelProjectsCapacity requested
Solar17234.7 GW
Wind5312.2 GW
Hybrid316.8 GW
Nuclear46.5 GW
Battery175.6 GW
Gas32.0 GW
Unknown5655 MW

Counties with the most capacity queued

CountyPendingCapacity queuedAlready built
Lee County126.4 GW3.1 GW
Will County54.3 GW7.6 GW
McLean County112.9 GW1.0 GW
Ogle County52.9 GW2.5 GW
LaSalle County72.8 GW2.7 GW
Christian County82.3 GW100 MW
Peoria County72.1 GW0 MW
Tazewell County101.9 GW250 MW
Iroquois County81.8 GW0 MW
Kankakee County81.7 GW350 MW
Fulton County41.6 GW367 MW
Perry County71.4 GW600 MW
Woodford County41.4 GW200 MW
Rock Island County71.3 GW1.9 GW
Champaign County71.1 GW150 MW
Sangamon County71.1 GW1.1 GW
McHenry County41.1 GW40 MW
Mason County51.0 GW391 MW
Scott County41.0 GW0 MW
Shelby County6975 MW0 MW
Edgar County5916 MW0 MW
Adams County7910 MW0 MW
Coles County4887 MW299 MW
Macon County5880 MW1.0 GW
Washington County3835 MW400 MW

Illinois on the map

Every application above is plotted, searchable and clickable.

Open the map All states