The Manx Electricity Authority has restored power to homes in areas of upper Douglas and Onchan.
This afternoon (Sunday) it reported at about 2pm that it had received calls from customers in the two areas.
Shortly after, supply was restored to homes in Groudle, Howe Road, Majestic View and Church Road.
On Twitter, it has now said that power to all homes affected has been restored.
Anyone with concerns should call 687687.
The MEA thanked customers for their patience.