S.C. Code Ann. § 58-31-55
(A) A director shall discharge his duties as a director, including his duties as a member of a committee:
(3) in a manner he reasonably believes to be in the best interests of the Public Service Authority. As used in this chapter, "best interests" means a balancing of the following:
(B) In discharging his duties, a director is entitled to rely on information, opinions, reports, or statements, including financial statements and other financial data, if prepared or presented by: