Sec. 15. (a) This section applies after a utility has properly withdrawn from commission jurisdiction under this chapter.
(b) The commission shall revoke or limit the withdrawal from the jurisdiction of the commission of a utility if the lesser of:
(1) one hundred (100); or
(2) more than fifty percent (50%);
of the utility's customers file, individually or collectively, a verified petition with the commission and prove that the public interest requires the commission to revoke or limit the withdrawal from the jurisdiction of the commission.
(c) A petition may be filed with the commission under this section at any time following the withdrawal of the utility.