(a) On motion of any interested party and after a public hearing, the commission may set reasonable rates for the furnishing of waste collection, treatment, or disposal services to any person by a regional or area-wide system designated under Section 26.083 of this code.
(b) Notice of the hearing shall be given to the owner or operator of the designated regional or area-wide system, the person requesting the hearing, and any other person who in the judgment of the commission may be affected by the action taken by the commission as a result of the hearing.
(c) After the hearing, the commission shall enter an order setting forth its findings and the rates which may be charged for the services by the owner or operator of the designated regional or area-wide system.