In order to install renewable energy on a building other than your own, Illinois requires certification. The steps to certification are detailed below.
1) Visit the Illinois Commerce Commission's page for Distributed Generation Installer Certification.
2) Read the Illinois Distributed Generation Law and links found in step 1.
3) Complete one of the following requirements for Distributed Generation Installer Certification.
4) Apply for certification using the form, cover letter, and instructions from step 1's link.