[PR Newswire] – CHARLOTTE, N.C., April 24, 2015 /PRNewswire/ — Duke Energy has been named to Greentech Media’s Grid Edge 20 – recognizing the company as one of the most innovative firms working . . . → Read More: Market Update (NYSE:DUK): Duke Energy named one of the 20 most innovative companies Similar Articles: Company Update (NYSE:DUK): Duke Energy Carolinas’ customers set new all-time peak records for energy use Stock Update: Duke Energy Corp (NYSE:DUK) – Duke Energy proposes innovative solar programs for South Carolina Market Update: Duke Energy Corp (NYSE:DUK) – Duke Energy offers holiday lighting energy calculator and winter tips to help save energy and money