Energy: other; utility filing a rate case earlier than 3 years after the utility’s last rate case: prohibit. Amends sec. 6a of 1939 PA 3 (MCL 460.6a).

HB 5675 prohibits Michigan utilities from filing rate increase requests earlier than three years after their previous rate case. This rule applies to gas, electric, and steam utilities and aims to prevent overlapping rate applications that could complicate regulatory review. The bill requires utilities to coordinate with the Public Service Commission staff before filing and mandates that the commission notify utilities within 30 days whether their application is complete. If the commission does not issue a final order within 180 days, utilities may implement proposed rate increases with refunds required if the final order is lower than the proposed amount.