[PR Newswire] – CHARLOTTE, N.C., April 29, 2015 /PRNewswire/ — If you can’t get enough of facts, figures and data, Duke Energy’s 2014 Sustainability Report is just what you need. A comprehensive look . . . → Read More: Stock Update: Duke Energy Corp (NYSE:DUK) – Got Duke Energy questions? Here are your answers Similar Articles: Company Update (NYSE:DUK): Duke Energy Carolinas’ customers set new all-time peak records for energy use Company Update: Duke Energy Corp (NYSE:DUK) – Duke Energy prepared for colder temperatures; offers tips to stay safe and manage energy usage Market Update: Duke Energy Corp (NYSE:DUK) – Duke Energy offers holiday lighting energy calculator and winter tips to help save energy and money