Hydro One says crews are working hard to get the power back on. Hundreds of customers are without power spanning an area from Lake of Bays up to Sundridge.

Hydro One says most people should have their lights back on by 4:00pm. Crews are not only working to restore power but to also figure out what caused the outages.

The My Muskoka Now Newsroom will have more details as they become available.