(a) Whenever any new construction or operation is undertaken or about to be begun without having secured a certificate of public convenience and necessity as required by the provisions of this act, any interested person may file a complaint with the commission.
(b) The commission, with or without notice, may make its order requiring the party complained of to cease and desist from the construction or operation until the commission makes and files its decision on the complaint, or until the further order of the commission.
(c) The commission, after hearing and after reasonable notice, may make the order and prescribe such terms and conditions in harmony with this act as are just and reasonable.