Why was there a power outage on September 2022 17 in Berlin, Xichou County?

Line maintenance. Berlin Township, belonging to Xichou County, Wenshan Zhuang and Miao Autonomous Prefecture, Yunnan Province, is located in the south of Xichou County, adjacent to Babu Township, Malipo County in the east, Jinchang Township and Malipo Town in Malipo County in the south, Xingjie Town in the west and Fadou Township in the north. The Township People's Government is 57 kilometers away from the county seat, with an administrative area of 70.9 square kilometers. According to the inquiry data, the power failure in Berlin Township on September 17, 2022 was due to line maintenance.