S.C. Code Ann. § 58-27-850: Investigation and change of rates by commission.

Whenever the commission after a hearing finds that the existing rates in effect and collected by any electrical utility for any service, product, or commodity are unjust, unreasonable, insufficient, unreasonably discriminatory, or in any way in violation of any provision of law, the commission shall determine the just, reasonable, and sufficient rates to be thereafter observed and in force and shall fix the rates by its order.