Home energy bills will decrease 12.7% Decrease more than offsets base rate increase that took effect in AugustGREENVILLE, S.C., Oct. 31, 2024 /PRNewswire/ -- Duke Energy Carolinas customers in South Carolina will see their electric rates fall starting Nov. 1 as part of an annual adjustment for the cost of fuel used to generate electricity at its power plants. As approved by the Public Service Commission of South Carolina (PSCSC), today's average monthly residential bill will decrease by 12.7%.The total mon ...