Rain and localized flooding in parts of Ontario could slow restoration efforts this weekend to thousands of homes and ...

Ontario implemented a 25 percent tariff on all electricity exports to the U.S. on Monday, impacting three states.

Hundreds of thousands of people in Ontario are still without power on the third day of a spring storm after freezing rain-coated swaths of the province with thick layers of ice.

Premier Doug Ford said Thursday that he plans to visit some areas affected by prolonged power outages since a powerful ice storm hit central and northern Ontario over the weekend. Hydro One said that ...

Hundreds of thousands of Hydro One customers are without power after a massive winter storm swept through Ontario, causing ...