Reuters: Ontario will invest in rebuilding the province’s electricity distribution system into a “smart” grid to better utilize renewable energy, Premier Dalton McGuinty said on Thursday. Ontario’s current grid was designed to deliver power from a few large generating facilities, and needs to be upgraded if the province is to tap sources such as solar and wind power , McGuinty told the Ottawa Chamber of Commerce. So-called smart grids use technology that allows for the two-way flow of …