(1) A provider shall notify the commission of any shutoff of service that results in death or serious injury. A provider shall supply to the commission any relevant information regarding the death or serious injury, including, but not limited to, the procedures followed during the shutoff.

  (2) Upon notification or the commission’s own motion, the commission may investigate any shutoff of service by a provider that results in death or serious injury. After completing its investigation, the commission may refer the matter to the attorney general for commencement of a civil action under section 9p.

  (3) As used in this section, “provider” means a municipally owned electric or natural gas utility.