A Hydro Quebec logo is seen on their head office building, February 26, 2015 in Montreal. Newfoundland and Labrador has achieved a rare win in its longstanding battle with Hydro-Quebec over a 50-year-old agreement on sales of Churchill Falls power. The Quebec Court of Appeal says in a ruling that Churchill Falls Corp. Ltd., a subsidiary of Newfoundland's Crown corporation overseeing hydroelectricity, has the right to sell energy produced above a certain threshold. THE CANADIAN PRESS/Ryan Remiorz