Why Your Illinois Solar Project Needs Clean Air Act Approval (And How to Get It)
Determine whether your solar project requires Clean Air Act permitting by assessing your system size and type first. In Illinois, most residential and commercial solar installations are exempt from federal air quality permits because photovoltaic systems produce no air emissions during operation. However, if your project involves backup generators, combined heat and power systems, or construction equipment that exceeds emission thresholds, permitting becomes necessary.
Understand that Clean Air Act permitting primarily affects two categories: major sources emitting significant pollutants and minor sources in non-attainment areas. …
