In the five years since its inception, the Antigonish Community Energy Co-op has fostered a megawatt of rooftop solar capacity across northern Nova Scotia, a feat they achieved primarily through buying in bulk. It began with a pair of community meetings, in the fall of 2014 and again the following spring, at which a hundred or so people from Antigonish took a long, hard look at Nova Scotia’s energy mix. Recognizing the dominance…