Core Insights - The charging volume in Tianjin's expressways reached 382,300 kWh with nearly 19,000 charging sessions from May 1 to May 4, marking a year-on-year increase of 23.57% in total charging volume and 12.32% in charging sessions [1] Group 1 - The State Grid Electric Vehicle Service (Tianjin) Company monitored 147 charging hotspots in the city during the "May Day" holiday using a smart vehicle networking platform [1] - The company upgraded the smart monitoring system at key charging stations, integrating local video surveillance with the smart vehicle networking platform, enhancing safety and operational efficiency [1] - To address the peak travel demand during the holiday, the company completed special inspections and real vehicle tests at 315 key charging stations, modified and increased capacity at 111 charging stations, and deployed 20 emergency charging facilities on high-traffic expressways [1] Group 2 - The charging power at the Tangbo Hot Spring Hotel charging station increased by 160 kW, nearly tripling the efficiency of the original equipment after the installation of 8 high-power DC charging piles [1] - The company released a "Charging Guide for Electric Vehicle Travel during the May Day Holiday" to assist drivers in planning their trips and checking real-time station queue conditions using the "e-Charging" app [2]