As of the evening of September 7, many localities were still without power, with almost all customers affected in some places, such as Quang Ninh, Hai Phong, and Bac Giang.
According to EVN’s report at the end of September 7, today, due to the impact of storm No. 3, the high-voltage grid was heavily affected, isolated from operation due to incidents or proactively cut off to ensure safety. Of which, 6 500 kV lines, 31 220 kV lines, 96 110 kV lines, have not yet been restored to operation.
Similarly, many distribution lines and transformer stations also had problems or had to proactively cut off power.
As of the evening of September 7, many provinces were still without power. For example, Quang Ninh and Hai Phong had over 95% of customers in the area affected, Bac Giang about 70%, Ha Nam 30%, Nam Dinh 34%, Phu Tho 20%.
In areas with power outages, units must use diesel generators to maintain essential services such as hospitals, clean water, and communications.
Regarding power sources, hydroelectric reservoirs in the Northern region are still operating normally and have not been affected by the storm. Some hydroelectric reservoirs are releasing water as required by the Steering Committee for Natural Disaster Prevention.
“The power industry will focus on handling the damaged power lines and restoring power supply immediately after the storm passes,” EVN said.
A tree fell on a power line at 11:30 a.m. in Quang Yen, Quang Ninh. Photo: EVNNPC
In Hanoi, On the afternoon of September 7, information spread on social networks that the entire city would have a widespread power outage. tonight due to the impact of storm No. 3. However, according to Hanoi Electricity Corporation (EVNHANOI), the city does not have this policy.
According to Mr. Nguyen Xuan Thang, Member of the Board of Members, EVNHANOI currently has only Quang Ninh and Hai Phong most severely affected, with many incidents requiring complete power cuts. In Hanoi, there are “only a few sporadic incidents” caused by fallen trees. The electricity industry has plans to immediately restore power to the people.
Fallen trees affect the power grid in Ba Dinh district, afternoon of September 7. Photo: EVNHN
In fact, due to the impact of the super typhoon, some areas in Hanoi experienced power outages. The affected areas were in districts such as Hoang Mai, Phu Xuyen, Thuong Tin, Thanh Tri, Soc Son, Ba Vi, Son Tay, Me Linh, Quoc Oai, Long Bien… Of which, the suburban districts were the most affected.
Fallen tree causes power supply problem in Ung Hoa district, Hanoi. Photo: EVNHN
EVNHanoi’s end-of-day report said the cause of the local power outage was heavy rain and strong winds that caused grid and substation failures. Most of the failures were caused by fallen trees and objects flying into power lines.
There were 91 incidents in total, including two 110 kV lines that failed but did not cause power outages. The remaining 91 medium-voltage lines were affected, causing power outages to 124,407 customers. However, by 4 p.m., Hanoi Electricity had restored power to most customers.
Hoang Mai Power Company (under EVNHANOI) handles the incident on the afternoon of September 7. Photo: EVNNPC
The city’s electricity authority said it had mobilized all 1,280 staff and workers to work continuously from 10 p.m. on September 6 until the storm-caused incident was resolved. All 2,000 staff were involved in handling the situation when the storm hit Hanoi.
“With the current rainfall and wind level, the Corporation still maintains the power grid to operate regularly, continuously supplying electricity to the city, ready for all situations, minimizing damage caused by storms,” EVNHanoi affirmed.