Electricity supply was resumed to Co To Island in the northern province of Quang Ninh at 4am on June 29.
A corner of Co To Island
The popular island had experienced power cuts since June 18 when the local power system was struck by lightning.
Director of Quang Ninh Provincial Department of Electricity, Nguyen Thanh Tinh, said it took long time to fix the cable as it located deep in the sea.
It is the peak summer holiday season and Co To Island is a popular destination in the north, which its authorities reported receiving between 7,000 - 10,000 visitors a day.
Meanwhile, Long said that the island should only receive some 5,000 visitors a day to ensure good services.
Following the power outages on the island, local authorities advised tourists to visit other neighbouring islands in Quang Ninh including Quan Lan, Minh Chau, Ngoc Vung and Ban Sen instead.
