That is a lot of power and presumably where EV charging needs to move: Tesla NACS Plug Upgrading to 400-kW Output at Super-Alliance Charging Network (thedrive.com)
Much focus is given to EV range but charging speed seems like the more critical issue. Driving cross country and stopping to charge your Bolt EV can easily take 90+ minutes. Yet in a 350 KW charge capable Tesla, your charge time might be 10-20 minutes per stop.
