[PR Newswire] – CHARLOTTE, N.C., May 26, 2015 /PRNewswire/ — Duke Energy, LG Chem and Greensmith will team up to build a battery-based energy storage system in Ohio, designed to enhance reliability and . . . → Read More: Stock Update: Duke Energy Corp (NYSE:DUK) – Duke Energy, LG Chem, Greensmith to build fast-response energy storage system in Ohio Similar Articles: Company Update: Duke Energy Corp (NYSE:DUK) – Indiana to take leadership role in energy storage technology Market Update (NYSE:DUK): Duke Energy to build 13-megawatt solar facility at Camp Lejeune Market Update: Duke Energy Corp (NYSE:DUK) – Duke Energy offers holiday lighting energy calculator and winter tips to help save energy and money