Reuters: South Carolina regulators have unanimously approved a request by the state’s largest utility, South Carolina Electric & Gas (SCE&G), to join with a state-owned utility to build two nuclear reactors. The South Carolina Public Service Commission vote on Wednesday gave South Carolina Electric & Gas the right to begin raising electricity rates next month to help pay for its portion of the $9.8 billion project. SCE&G, a subsidiary of SCANA Corp, and Santee Cooper, …