Group 1 - The National Grid Corporation has developed power supply assurance plans for the annual college entrance examination, ensuring reliable electricity supply during the exam period [1][2] - Emergency drills have been conducted to test the reliability of the power supply system, with a focus on key exam periods such as listening tests [2] - The company has completed three rounds of electricity inspections at all exam sites and accommodation points, eliminating 26 potential hazards [2] Group 2 - The emergency response teams quickly activated backup power systems to ensure continuous power supply for critical exam equipment [2] - The company has implemented a "dual insurance mechanism" involving UPS and generator vehicles to enhance power supply reliability [2] - A total of 98 professional power supply personnel and 23 emergency vehicles will be deployed during the exam period to monitor power supply facilities around the clock [2][4] Group 3 - The company has conducted 11 rounds of inspections and hazard elimination for power supply facilities related to 27 exam sites [4] - Coordination with government, education departments, and schools has been established to understand the exam arrangements and ensure smooth power supply [4] - Safety measures include halting high-risk construction activities during critical exam periods and enhancing safety awareness on-site [4]