At 12:03 p.m. Friday the power went off across the island. Some offices will close early as a result of the outage.
Patricia Blake Simmonds, spokesperson for the Water and Power Authority, said the outage was islandwide. It was caused by the breakdown of a main south insulator.
Simmonds said power would be returned gradually and should be fully restored by 3 p.m.
In the wake of the outage it was announced that all offices of the Lieutenant Governor would close at 1 p.m.