The rates are locked in, so any ratings downgrades do not impact Illinois’ rate of return. * PV Magazine | Why are Illinois public schools missing the solar boom? : Just 2% of public schools in Illinois have solar, according to the Illinois Power Agency, which includes Illinois Shines projects that don’t participate in the public schools category but are located on public school-owned land. At the time of publication, Illinois public schools had 14 energized projects and 39 solar projects in the works. Along I-57 near exit 127 in Riverdale, Illinois, state police pulled over Casillas in late August.