Manx Electricity Authority and Department of Infrastructure staff will keep working through the night.
Homes have been experiencing power outages, particularly in the north and west of the island.
Director of Network Services at the MEA Adrian Dobbins gave Manx Radio this update on Friday evening: (play audio)
The MEA says its network has been significantly damaged.
It aims to get the majority of customers back on supply over the weekend.
If you have concerns about vulnerable people you know call the MEA on 687687.
Meanwhile DoI staff will be out overnight, attempting to keep the main routes around the Island open.
Many smaller roads have been shut, and are set to be reviewed 9am Saturday.
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