Core Insights - The implementation of Vehicle-to-Grid (V2G) technology in Hangzhou allows electric vehicle owners to sell back electricity to the grid during peak hours, providing additional income and contributing to energy stability [1][2] - Hangzhou has made significant strides in promoting green transportation, achieving 100% electrification of public buses and 89% for taxis, with a total of 1.25 million electric vehicles [1][2] Group 1: V2G Technology Implementation - The first large-scale V2G response was launched by State Grid Hangzhou Power Supply Company, allowing electric vehicle owners to participate in energy management by discharging electricity back to the grid [1] - Participants in the V2G program can earn subsidies, with one driver receiving 240 yuan for discharging 120 kWh of electricity [1] - The total discharge from the recent test reached 3,168 kWh, equivalent to providing power for over 1,000 households for one hour [2] Group 2: Electric Vehicle Infrastructure - Hangzhou has established a robust charging infrastructure with 700 charging stations and 8,010 charging piles across 13 districts, along with 27 charging stations and 410 charging piles in highway service areas [3] - The "e-key to Hangzhou" service has achieved full coverage of charging facilities in 191 towns and streets, creating an integrated charging network that allows for urban charging within five minutes and rural charging within half an hour [3] Group 3: Market Incentives and Future Potential - The city government has introduced a subsidy scheme for V2G charging stations, offering up to 2 yuan per kWh for peak discharge during summer and winter [2] - The potential for energy regulation through V2G is significant, with each electric vehicle capable of participating in over 2,500 charging cycles throughout its lifecycle [2]