[PR Newswire] – CHARLOTTE, N.C., Feb. 18, 2015 /PRNewswire/ — Duke Energy officials today asked customers in the Carolinas to conserve electricity use through Friday to help reduce high-energy demand on the electric . . . → Read More: Company Update (NYSE:DUK): Duke Energy asks Carolinas customers to reduce electricity use through Friday; continues progress on storm restoration Similar Articles: Market Update (NYSE:DUK): Duke Energy braces for winter storm in the Carolinas; customers advised to prepare for possible extended power outages Market Update: Duke Energy Corp (NYSE:DUK) – Duke Energy offers holiday lighting energy calculator and winter tips to help save energy and money Market Update: Duke Energy Corp (NYSE:DUK) – Duke Energy helps customers take a bite out of ‘energy vampires’ with tips, new ‘Energy Slayer’ calculator