Localisation  

Country	USA
County/Zone	Illinois
City	DeWitt
Wind farm type	Onshore wind farm

Key dates  

	171 MW commissioned
	25.3 MW commissioned
	4.2 MW commissioned

Players  

Developer
Operator
Owner
Manufacturer	Siemens-Gamesa

Turbines   

Operational	Siemens-Gamesa SG 4.5-145 (x 39)
Operational	Siemens-Gamesa (x 11)

Sources  

Details  

Part #1

City	DeWitt
Commissioning
Turbines	38x Siemens-Gamesa SG 4.5-145 (power 4,500 kW, diameter 145 m)
Hub height
Total nominal power	171,000 kW
Status	Operational
Developer
Operator
Owner
Coordinates	Latitude 40° 11' 25.2" - Longitude -89° 3' 28.4"
Precise localization	Yes

Part #2

City	DeWitt
Commissioning
Turbines	11x Siemens-Gamesa
Hub height
Total nominal power	25,300 kW
Status	Operational
Developer
Operator
Owner
Coordinates	Latitude 40° 11' 25.2" - Longitude -89° 3' 28.4"
Precise localization	Yes

Part #3

City	DeWitt
Commissioning
Turbine	1x Siemens-Gamesa SG 4.5-145 (power 4,500 kW, diameter 145 m)
Hub height
Total nominal power	4,200 kW (downrated turbine)
Status	Operational
Developer
Operator
Owner
Coordinates	Latitude 40° 11' 25.2" - Longitude -89° 3' 28.4"
Precise localization	Yes

	Databases       USA (252.1 GW) Americas (614.9 GW) World (2,450.5 GW) All databases

	PDF Summary

	Nearby wind farms Radford’s Run (19 km) Rail Splitter (32 km) HillTopper (33 km) Whitney Hill (34 km) Green Mountain Power (Illinois) (35 km) Richland Community College (36 km) Heartland College (39 km) Twin Groves II (39 km) Twin Groves I (39 km) Prosperity Wind (40 km)

	Insights Production capacity USA : 158,826.0 MW (end of 2025) Illinois : 9,029.7 MW (*)

	Légende #ND : no data (*) : according to The Wind Power database

	Update for this sheet 17 December 2025