CONSHOHOCKEN, Pa.--(BUSINESS WIRE)--IKEA, the world’s leading home furnishings retailer, today announced plans to increase the solar array atop its Detroit-area store that opened eight years ago in Canton, MI. In September, IKEA began work on a 44,000-square-foot expansion to the store, atop which new panels will be installed beginning Spring 2015, with a completion by Summer. The 40,000-square-foot solar addition will consist of a 240.9-kW system built with 765 panels, and will produce 287,490