Sec. 720-6.4. Correctness and reasonableness of fuel adjustment charges

The commission may hold hearings upon its own motion, or upon the motion of any interested party upon good cause shown, as to the correctness and reasonableness of any increased rate or charge for fuel costs subject to a fuel adjustment clause. At any hearing so commenced, the burden of proof as to the propriety of any such rate or charge shall be with the utility. In any case in which it is determined that fuel adjustment charges were excessive because of lack of reasonable care or are otherwise unreasonable or incorrect, the commission may order remedial action, including an adjustment of any previous collection under the fuel adjustment clause.