Group 1 - A new round of rain, snow, and freezing weather is impacting the entire Anhui province starting January 19, posing challenges to the safety and stability of the power grid and reliable electricity supply [1] - State Grid Anhui Electric Power Company has activated a Level IV emergency response, deploying 745 emergency repair teams, 8,320 personnel, and 2,111 vehicles to ensure uninterrupted electricity supply for production and daily life [1] - The company has mobilized 102 power generation vehicles, 670 generators, 22 ice-melting devices, 15 ice-melting vehicles, and 71 de-icing devices to address the extreme weather conditions [1] Group 2 - The ±800 kV Ling Shao line segment is a critical area for frost prevention due to frequent cold and warm air flow interactions, with monitoring personnel stationed for 24-hour observation [2] - A total of 61 "ice observation elves" and 30 tension ice-sensing devices have been deployed along the ice-prone corridor, integrating multi-source meteorological information for real-time tracking and intelligent early warning of ice formation [2] - During the cold wave, the company has conducted drone inspections on high-altitude lines and traction station supply lines, successfully addressing 95 defect hazards [2]