No commission approval is required under this subsection where all affected electric suppliers reach an agreement on approval of the proposed construction or where either line is six hundred volts or less.
S.C. Code § 58-27-1210
2007 Act No. 16, Section 1.(B), provides in part as follows:
". . . Section 10 [amending this section] of this act is intended to specify those situations in which electric suppliers must obtain commission approval for construction of facilities and is intended to supersede Regulation 103-304, South Carolina Code of Regulations, to the extent it would require approval in any other situation."