No charge. According to the latest relevant regulations, Tianjin has begun to promote charging piles in residential areas, and at the same time, the port fees charged by residential areas have also been clearly defined. According to the "Management Measures for the Construction of Charging Facilities for New Energy Vehicles in Tianjin" promulgated by the Tianjin Municipal Government, the owners of residential quarters are not allowed to charge the owners for port usage fees when installing charging piles.