How many wind farms are in Illinois?

Illinois has 58 operating utility-scale wind farms with 8.7 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest wind farm in Illinois?

Lincoln Land Wind in Sangamon County, Illinois is the largest, at 302 MW. It came online in 2021.

How many wind farms were built in Illinois in 2025?

3 wind farms came online in Illinois in 2025, with 558 MW of capacity.

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.

Wind farms in Illinois

Illinois has 58 operating wind farms with 8.7 GW of capacity. 3 came online in 2025.

Operating58

See planned wind farms in Illinois

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

Illinois had 31 wind farms online in 2016 and 58 in 2026

2016’162017’172018’182019’192020’202021’212022’222023’232024’242025’252026’26

Wind farms online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest wind farms in Illinois

Operating, by capacity

#	Wind farm	County	Year online	Capacity
1	Lincoln Land Wind	Sangamon County	2021	302 MW
2	Streator Cayuga Ridge South	Livingston County	2010	300 MW
3	Prosperity Wind	Piatt County	2025	300 MW
4	Radfords Run Wind Farm	Dewitt County	2017	278 MW
5	Sapphire Sky Wind Energy LLC	DeWitt County	2023	260 MW
6	Blooming Grove Wind Energy Center	Livingston County	2020	250 MW
7	Big Sky Wind LLC	Bureau County	2011	239 MW
8	FPL Energy Illinois Wind LLC Hybrid	DeKalb County	2009	218 MW
9	California Ridge Wind Energy LLC	Vermilion County	2012	217 MW
10	Old Trail Wind Farm	McLean County	2007	214 MW

Wind farms that came online most recently in Illinois

Newest first

#	Wind farm	County	Year online	Capacity
1	Lotus Wind	Macoupin County	2026	200 MW
2	Top Hat Wind	Logan County	2025	204 MW
3	Panther Creek Wind Project	Pike County	2025	54 MW
4	Prosperity Wind	Piatt County	2025	300 MW
5	Moraine Sands Wind Power	Mason County	2023	171 MW
6	Midland Wind	Henry County	2023	106 MW
7	Shady Oaks Wind 2	Lee County	2023	108 MW
8	Alta Farms II Wind Project, LLC	DeWitt County	2023	201 MW
9	Sapphire Sky Wind Energy LLC	DeWitt County	2023	260 MW
10	Ford County Wind Farm LLC	Ford County	2022	121 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 in Illinois?: Illinois has 58 operating utility-scale wind farms with 8.7 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest wind farm in Illinois?: Lincoln Land Wind in Sangamon County, Illinois is the largest, at 302 MW. It came online in 2021.
How many wind farms were built in Illinois in 2025?: 3 wind farms came online in Illinois in 2025, with 558 MW of capacity.
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.