Wind power in Illinois

Wind power in Illinois provided nearly 10% of the state's generated electrical power in 2020 powering 1,231,900 homes. At the end of 2020, Illinois had 6,300 megawatts (MW) of wind power installed, ranking fifth among states for installed wind turbine capacity. An additional 1,100 MW of wind power was under construction across the state at the end of 2020.

The vast majority of wind-generated electricity in Illinois is distributed via Midcontinent Independent System Operator, which services Illinois outside of northern Illinois—as opposed to PJM Interconnection, which distributes electricity in the Chicago metropolitan area.U.S. Wind Energy Projects - Illinois , American Wind Energy Association (AWEA)

Overview

Wind power has been supported by a renewable portfolio standard, passed in 2007, and strengthened in 2009, which requires 10% renewable energy from electric companies by 2010 and 25% by 2025. For 2013, in-state renewable generation was just 5.1% of Illinois' total generation. Additional renewably generated electricity is imported from other states. Illinois uses a large amount of electricity, and the state's mandate was enacted when only a very small percentage of its electricity was renewably generated.

Illinois has the potential for installing up to an estimated 249,882 MW of wind generation capacity at a hub height of 80 meters operating at 30% gross capacity factor. That amount is lower with higher capacity factors, and is higher with 100 meter hub heights.

The first wind farm in Illinois opened in 2003 and by 2009, it had over 1800 MW installed statewide with thousands of MW more in the planning stages.About Wind Power in Illinois , Illinois Wind Energy Association The largest wind farm in the state is the 300 MW Cayuga Ridge installation, while another seven windfarms each exceeded MW capacity. The Twin Groves Wind Farm was the largest wind farm east of the Mississippi when completed but has since been surpassed.AWEA treats Twin Groves as four installations. Together they exceed the capacity of Cayuga Ridge.Lookout puts wind farm in perspective , Steve Stein, Peoria Journal Star, June 14, 2008 Some smaller installations include a 0.66 MW turbine at the Bureau Valley School District and a 2.5 MW turbine at the Illinois Sustainable Technology Center, formerly part of the Illinois Department of Natural Resources, now part of the University of Illinois. A proposed high voltage DC transmission line would transmit wind generated electrical power to the Chicago area from northwest Iowa.

Power from some wind farms in Illinois is sold to the Tennessee Valley Authority. A 2010 agreement with Iberdrola Renewables provides a potential 300MW future supply from the Streator Cayuga Ridge Wind Farm in Livingston County.

Wind farms

FarmYear Installed capacity (MW) CountyNote Mendota Hills 2003/2019 51.66/76 LeeTurbines replaced in 2019 Crescent Ridge 2005 54.45 BureauPike County20051.65Pike GSG 2007 80 Lee/LaSalle Camp Grove2007 150 Marshall/Stark Twin Groves I-II 2007-2008 396 McLean AgriWind 2008 8.4 Bureau Grand Ridge I-IV 2008-2009 210 LaSalle Providence Heights 2008 72 Bureau EcoGrove 2009 100.5 Stephenson Rail Splitter2009 100.5 Logan/Tazewell Lee-DeKalb 2009 217.5 Lee/DeKalb Cayuga Ridge2009 300 LivingstonGeneseo20093Henry Top Crop I-II 2009-2010 300 LaSalleStreator Cayuga Ridge2010150Livingston Walnut Ridge 2010 212 Bureau White Oak 2011 150 McLean Big Sky Wind 2011 239.4 Bureau/Lee Pioneer Trail2011 150 Iroquois/Ford Settlers Trail 2011 150 IroquoisShady OaksShady Oaks profile 2012109.5LeeBishop Hill2012200HenryMinonk2012200Woodford/LivingstonCalifornia Ridge2012217.1Vermilion/Champaign Bishop Hill I-II2012 81 HenryHeartland Community College20121.65McLean Pilot Hill 2014 175 Iroquois/KankakeeBrown County20141.5Brown Hoopeston 2015 98 Vermilion Kelly CreekKelly Creek Wind Park Commissioned 2016 184 Kankakee/Ford Radford Run 2017 306 Macon Bishop Hill III2018 132 Henry HillTopper2018 185 Logan Whitney Hill201966LoganBright Stalk2019205McLeanGreen River2019194Lee/WhitesideCardinal Point2020150McDonough/WarrenHarvest Ridge2020200DouglasOtter Creek2020158LaSalleBroadlands2020200ChampaignSugar Creek2020202LoganBlooming Grove2020261McLeanLone Tree202088BureauLincoln Land2021302MorganGlacier Sands2021185Mason Glacier Sands Wind ProjectBennington202193MarshallFord Ridge2022120.4FordSapphire Sky2023253.8McLean

Wind generation

Illinois wind generation (GWh, million kWh) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total % of production 2003 2 1 1 1 1 1 2 2 1 1 1 2 16 2004 0 3 8 10 9 5 3 4 5 9 9 13 78 2005 6 7 10 10 9 5 3 2 5 7 12 65 141 2006 19 18 23 29 21 14 13 10 15 28 28 36 254 2007 28 21 28 51 64 40 26 26 66 106 95 112 663 2008 240 189 201 226 208 160 82 69 93 229 298 342 2,337 2009 252 302 264 306 204 148 97 147 101 259 329 411 2,820 2010 357 242 402 503 392 218 205 196 373 524 609 432 4,453 2011 407 598 567 723 538 423 239 224 402 512 908 672 6,213 2012 880 613 869 782 641 565 320 277 443 771 608 958 7,727 2013 1,185 880 999 1,077 766 594 413 323 511 739 1,209 929 9,625 2014 1,313 849 1,069 1,097 873 621 498 351 458 842 1,285 829 10,085 4.98% 2015 1,004 936 1,000 1,073 890 518 400 444 628 1,167 1,372 1,316 10,748 5.54% 2016 1,268 1,144 1,096 1,026 854 591 400 331 693 960 1,095 1,205 10,663 5.69% 2017 1,125 1,264 1,304 1,289 1,086 941 471 408 519 1,166 1,245 1,450 12,268 6.68% 2018 1,531 1,198 1,284 1,096 859 616 566 571 679 1,172 1,065 1,262 11,899 6.33% 2019 1,471 1,308 1,491 1,623 1,134 1,034 673 562 900 1,293 1,242 1,729 14,460 7.24% 2020 1,364 1,535 1,672 1,657 1,336 1,054 621 543 1,070 1,542 2,159 1,673 16,226 8.56% 2021 1,537 1,643 2,113 1,770 1,553 1,146 807 895 1,388 1,514 2,064 2,257 19,133 9.37% 2022 2,262 2,277 2,325 2,503 2,141 1,407 1,149 1,041 1,271 2,052 2,498 2,137 23,063 12.16% 2023 1,939 2,381 2,558 2,266 1,690 1,307 863 1,175 1,173 2,156 2,302 2,243 22,054 12.40% 2024 2,168 2,365 4,533 14.62%

Teal background indicates the largest wind generation month for the year.

Green background indicates the largest wind generation month to date.

Source:

+Illinois wind generation in 2019Net generation for wind, monthly

+Illinois wind generation in 2020Net generation for wind, monthly +Illinois wind generation capacity by year Megawatts of installed generating capacityWINDExchange: U.S. Installed and Potential Wind Power Capacity and Generation

Wind power in Illinois

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