An Illinois bill requires applicants to the Illinois Solar for All program that apply after the effective date of this Act to pay the prevailing wage on projects that receive renewable energy credits.
See here for more information: https://www.illinoissenatedemocrats.com/caucus-news/23-senator-cristina-castro-news/4826-castro-passes-measure-to-ensure-a-living-wage-for-employees-working-on-solar-projects-2