Lucy Yu, CEO of the Centre for Net Zero, provides data-driven insights into demand flexibility, while Jon Norman, President of Hydrostor, specializes in advanced energy storage technology. They discuss the pivotal role flexibility plays in transitioning to a clean power grid and the challenges of decarbonizing energy systems. The duo highlights the importance of long-duration energy storage and consumer participation in achieving sustainability goals by 2035, as well as the risks of inadequate flexibility for maintaining a reliable power supply.