Yes, the grid can handle EVs. It will *not* be overloaded. According to Engineering Explained, it will take 30% more electricity.
But they completely forgot to talk about the reduction in electric power from the reduction and end of the extraction, transportation,refining, production, delivery and dispensing of petroleum products. This will be substantial.
https ://cleantechnica.com/2022/04/06/engineering-explained-yes-the-grid-can-handle-evs/