How many wind farms are planned in Illinois?

Developers have proposed 77 wind farms in Illinois with 18 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.

What is the largest planned wind farm in Illinois?

Heritage Prairie Wind in Kankakee County, Illinois is the largest planned, at 850 MW. It is expected to come online in 2028.

Who is developing wind farms in Illinois?

Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

Planned wind farms in Illinois

Developers have proposed 77 wind farms in Illinois with 18 GW of capacity, in the grid operators' interconnection queues.

Planned77

See operating wind farms in Illinois

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

More planned wind farms in Illinois are expected online in 2028 than in any other year

2026’262027’272028’282029’292030’302031’312032’322033’33

Planned wind farms by the year they're expected online. Source: the grid operators' interconnection queues, compiled by Cleanview.

The 10 largest planned wind farms in Illinois

Planned, by capacity

#	Wind farm	County	Expected online	Capacity
1	Heritage Prairie Wind	Kankakee County	2028	850 MW
2	Illinois Generation LLC	Livingston County	2028	617 MW
3	7FARGO - 7SANDBURG 345.0kV	Peoria County	2030	500 MW
4	Panther Grove 2	Livingston County	2027	473 MW
5	Panther Grove Wind, LLC	Woodford County	2026	423 MW
6	Panther Grove 2	Woodford County	2028	400 MW
7	Panther Grove Wind	Woodford County	2027	400 MW
8	Panther Grove Wind	Woodford County	2027	350 MW
9	Bright Stalk Generating Facility	McLean County	2029	350 MW
10	Neoga	Shelby County	2028	350 MW

Planned wind farms expected online soonest in Illinois

In the next 18 months, soonest first

#	Wind farm	County	Expected online	Capacity
1	Panther Grove Wind, LLC	Woodford County	2026	423 MW
2	Osagrove Flats Wind	LaSalle County	2026	150 MW
3	Panther Grove Wind	Woodford County	2027	400 MW
4	Panther Grove Wind	Woodford County	2027	350 MW
5	Coles Wind	Coles County	2027	300 MW
6	San Jose Rail Splitter 138KV (G515)	Tazewell County	2027	100 MW
7	7CASEY - 7KANSAS 345.0kV	Coles County	2027	200 MW
8	7FARGO - 7SANDBURG 345.0kV	Peoria County	2027	150 MW
9	Panther Grove 2	Livingston County	2027	473 MW
10	Shady Oaks Wind Power Project	Lee County	2027	215 MW

The developer behind each project is on paid plans. See plans

How Cleanview tracks wind farms

Operating wind farms come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about wind farms in Illinois

How many wind farms are planned in Illinois?: Developers have proposed 77 wind farms in Illinois with 18 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned wind farm in Illinois?: Heritage Prairie Wind in Kankakee County, Illinois is the largest planned, at 850 MW. It is expected to come online in 2028.
Who is developing wind farms in Illinois?: Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.