(1) Pursuant to the administrative procedures act of 1969, 1969 PA 306, MCL 24.201 to 24.328, the commission shall promulgate rules to implement this part within 1 year after the effective date of this section.

  (2) Every 5 years after the promulgation of rules under subsection (1), the commission shall submit a report to the standing committees of the senate and house of representatives with primary responsibility for energy issues on the implementation of this part and any recommendations for legislation to amend this part. The report may be combined with the annual report under section 5a of 1939 PA 3, MCL 460.5a.

  (3) This act does not limit the right of a provider to propose a residential energy improvement program with elements that differ from those required for a residential energy projects program under this part or the authority of the commission to approve such a residential energy improvement program as reasonable and prudent.