The legislation looks to provide more public participation and financial assurance than federal law requires.
The legislation now before the Senate would significantly increase penalties for trespassing at “critical infrastructure.”
A clean energy group estimates the proposed charge would cost a typical residential solar customer $180 a year.
Advocates say previous clean energy legislation offered too little, too late to close the solar industry’s diversity gap.
Multiple coal ash sites in Illinois sit within or adjacent to flood plains, according to environmental watchdogs.