Electric buses are stepping up to play a crucial role in the UK's energy system, according to a groundbreaking trial by First Bus. This initiative, a UK-first, leverages the company's electric bus depots to support the national grid by strategically adjusting charging times. By charging buses during periods of excess renewable energy, particularly wind power in Scotland, and avoiding peak demand times, the trial aims to reduce wasted energy and enhance system stability. This approach not only contributes to a more efficient energy network but also aligns with First Bus's commitment to a fully zero-emission commercial bus fleet by 2035. With over 1400 zero-emission vehicles already in operation and 20 electric depots in development, First Bus is at the forefront of sustainable public transportation. The company's First Charge offering further extends its influence by allowing third-parties to access its depot-based charging infrastructure. This trial is a significant step towards a greener future, demonstrating the potential of electric buses to not only transform public transport but also actively participate in the UK's energy management. As the world grapples with the challenges of climate change and the need for sustainable solutions, initiatives like this one offer a promising glimpse into the future of clean transportation and energy management.