Synopsis As Introduced Creates the Public Utilities Intervenor Compensation Act. Provides that the Illinois Commerce Commission shall award reasonable advocate's fees, reasonable expert witness fees, and other reasonable costs of preparation for and participation in a hearing or proceeding to a customer that complies with specified procedures and makes a contribution to the adoption of the Commission's order or decision and participation or intervention without an award of fees or costs imposes a significant financial hardship. Creates provisions concerning procedures; calculation of awards; payments and cost recovery; denial of payments; the Illinois Commerce Commission Intervenor Compensation Fund; pre-proceeding grants; and rulemaking. Amends the State Finance Act to create the Illinois Commerce Commission Intervenor Compensation Fund. Makes conforming changes in the Illinois Administrative Procedure Act and the State Finance Act. Amends the Public Utilities Act. Creates provisions concerning restitution for misconduct; the Multi-Year Integrated Grid Plan; residential time-of-use pricing; and performance-based ratemaking. Makes changes in provisions concerning the Illinois Commerce Commission; donations; natural gas surcharges; and public hearings. Makes other changes. Effective immediately.