This document discusses Utrecht's plans to transition to electric vehicles and renewable energy sources through a bidirectional V2G ecosystem. Some key points: - Utrecht aims to have 25,000 electric vehicles by 2025 and 55,000 by 2030, requiring an expansion of public charging infrastructure. - The city plans to install bidirectional vehicle-to-grid chargers that can use electric vehicles' batteries to provide power back to the grid as needed. - Combining electric vehicles, solar power, electric heating in homes, and stationary batteries, Utrecht's vision is for the V2G ecosystem to help power the city while avoiding extensive grid upgrades in urban areas. - The goals