S.C. Code Ann. § 51-13-220
The Commission shall be composed initially of four members from Berkeley County, two members from Orangeburg County, two members from Clarendon County, one member from Sumter County and one member from Calhoun County, who shall be appointed by the Governor upon the recommendation of the legislative delegations from the respective counties.
The general manager of the South Carolina Public Service Authority shall be an ex officio member of the Commission and may be represented by his nominee at any meetings which the general manager is unable to attend in person.
The terms of office shall be for one year and until their successors are appointed and qualify.
The organizational meeting shall be held within thirty days after all members have been appointed and qualify.