Hard to say...
But, solar panels and a large Liquid Metal battery would give a site a real UPS advantage. Like in Reno....
I am all for any kind of piecemeal solutionā¦EVs, as currently constituted, are no rational solution for transportation energy usage. Coal fired vehicles.
IMO, Treating these as any more than focused solutions to specific problems is wasteful at best, and foolish and destructive at worst.