山东平度：大数据靶向服务返乡用电群众

Group 1 - The core idea of the articles is the proactive approach taken by the State Grid Pingdu Power Supply Company to ensure safe and reliable electricity service for returning residents during the Spring Festival by utilizing big data technology [1][2] Group 2 - The company has established a dynamic ledger for users with three months or more of zero or extremely low electricity usage, allowing for real-time monitoring and quick response to service needs [1][2] - Over 2,000 returning users have been identified through big data, with more than 300 potential electrical hazards addressed and over 50 safety devices installed for vulnerable groups such as the elderly and left-behind children [2] - The company aims to shift from a passive service model to an active one, enhancing customer service through digital means and ensuring safety during the festive season [2]