“There are already many Gigawatt-hours of batteries on wheels”, which could be used to provide balance and flexibility to electrical grids, if the “ultimate potential” of vehicle-to-grid (V2G) technology could be harnessed.

Panellists at the opening day of Solar and Off-Grid Renewables Southeast Asia event in Bangkok warned that investors who come on board quickest are going to gain a huge advantage as solar-plus-storage starts to become viable at scale.