According to Pritzker, the new bill makes Illinois the first Midwest state to require 100 percent carbon free energy by 2045.

Source: Governor J.B. Pritzker signs new Illinois energy bill -

That said, we’re surprisingly close to 100% carbon free electricity in Iowa in 2021. (It was 83.6 percent of MidAmerican Energy’s electricity in 2020.) See also: Iowa ranks first in renewable energy use, according to new report.