Electric vehicles can send excess energy back to the grid through Vehicle-to-Grid (V2G) technology, which allows their batteries to act as decentralized energy storage and supply power when needed. This process involves bi-directional charging systems that enable EVs to both draw power from and feed power into the grid, potentially providing grid stability and earning income for owners.
Electric vehicles (EVs) can contribute to the electricity grid by utilizing Vehicle-to-Grid (V2G) technology, which enables bi-directional energy flow between the vehicle's battery and the grid. According to a report highlighted by ABC News, a small number of EV batteries in Canberra were used to respond to a blackout in Victoria, demonstrating the potential for larger-scale applications in the future [1]. V2G systems support the idea that EVs can act as mobile energy storage units, releasing stored electricity back into the grid during peak demand or emergencies, thus enhancing grid stability and resilience.
Several EV models are already equipped with V2G or Vehicle-to-Load (V2L) capabilities. For example, the Ford F-150 Lightning supports 9.6 kW of V2L or V2H power, and Tesla's Cybertruck offers 11.5 kW for similar functions [2]. These systems allow EV owners to sell excess energy stored in their batteries, potentially generating income, especially during times of high electricity prices or grid shortages.
Research and discussions, such as those on Quora, suggest that EVs could generate and supply energy back to the grid similarly to solar panels, with the added benefit of providing a flexible, mobile energy source [3]. The National Grid in the UK emphasizes that V2G technology could help meet extra demand and support renewable energy integration, turning EVs into distributed energy resources that can be called upon when needed [4].
Overall, while the technology is still developing and faces challenges such as standardization, infrastructure, and regulatory frameworks, the potential for EVs to serve as dynamic energy assets is significant, promising both grid benefits and financial incentives for owners.