Ontario Hydro V. Ontario (Labour Relations Board)

Ontario Hydro v. Ontario (Labour Relations Board), 3 S.C.R. 327 is a leading constitutional decision of the Supreme Court of Canada on the federal declaratory power and the peace, order and good government power under the Constitution Act, 1867. The Court held that the regulation of relations between Ontario government and employees of a nuclear power plant was under federal jurisdiction under the federal declaratory power of section 92(10)(c) of the Constitution Act, 1867, and the national concern branch of the peace, order and good government.