(1) By a time determined by the commission, each provider shall submit to the commission an annual report that provides information relating to the actions taken by the provider to comply with the energy waste reduction standards. By that same time, a municipally owned electric utility shall submit a copy of the report to the governing body of the municipally owned electric utility, and a cooperative electric utility shall submit a copy of the report to its board of directors.

  (2) An annual report under subsection (1) shall include all of the following information:

  (a) The amount of energy waste reduction achieved during the reporting period.

  (b) Expenditures made in the past year and anticipated future expenditures to comply with this subpart.

  (c) Any other information that the commission determines necessary.

  (3) Concurrent with the submission of each report under subsection (1), a municipally owned electric utility shall submit a summary of the report to its customers in their bills with a bill insert and to its governing body. Concurrent with the submission of each report under subsection (1), a cooperative electric utility shall submit a summary of the report to its members in a periodical issued by an association of rural electric cooperatives and to its board of directors. A municipally owned electric utility or cooperative electric provider shall make a copy of the report available at its office and shall post a copy of the report on its website. A summary under this section shall indicate that a copy of the report is available at the office or website.

  (4) The commission shall submit to the standing committees of the senate and house of representatives with primary responsibility for energy issues an annual report that evaluates and determines whether this subpart has been cost-effective and makes recommendations to the legislature. The report may be combined with the annual report under section 5a of 1939 PA 3, MCL 460.5a.

  (5) Subject to subsection (6), if the commission determines that a provider’s energy waste reduction program under this subpart has not been cost-effective, the provider’s program is suspended beginning 180 days after the date of the determination. If a provider’s energy waste reduction program is suspended under this subsection, both of the following apply:

  (a) The provider shall maintain cumulative incremental energy savings in megawatt hours or decatherms or equivalent MCFs in subsequent years at the level actually achieved during the year preceding the year in which the commission’s determination is made.

  (b) The provider shall not impose energy waste reduction charges in subsequent years except to the extent necessary to recover unrecovered energy waste reduction expenses incurred under this subpart before suspension of the provider’s program.

  (6) Subsection (5) does not apply to an electric provider on or after January 1, 2022.