220 ILCS 30/10

The Commission shall make and adopt such reasonable rules and regulations as are necessary to enforce compliance with and to administer the provisions of this Act. Before the adoption of any such rule or regulation, or of any amendment thereof, the Commission shall set the rule, regulation or amendment for public hearing and shall give at least 30 days prior written notice of such hearing to all electric suppliers, accompanying such notice with a copy of each of the rules, regulations or amendments that the Commission proposes to adopt. The Commission shall prepare and make available to all electric suppliers, and to the public upon request, copies of all such rules and regulations and the amendments thereof.