I've been wondering how we could ever handle everyone plugging in a 1-10kwh charger at home every night for potentially hours. Think about charging a fleet of Rivian delivery vans...
Not to mention the insane chargers required for semi-trucks.
The UK National Grid has published several papers on the subject and their conclusion is that already planned expansion of both grids and generating capacity is more than sufficient.
Here in Norway more than 20% of private cars, large numbers of buses, ferries, and heavy good vehicles are already electric and there has been no significant impact on the ability of the grid to supply the power.
The big grocery distributor, Asko, in Oslo has three quarters of it's local vehicles electrified already and generates all the electricity they need with the 8 800 panels on the roof of the warehouse. They now have eighty Scania 45R electric heavy good vehicles with 450 kW (610 HP) continuous power, 624 kWh batteries, 44 tonne total weight.
As William Gibson said: The future's here already. It's just unevenly distributed.
See these web pages. They are in Norwegian but Google Translate does a good job.
https://elbil.no/asko-drifter-transporten-via-oslos-storste-...
https://elbil.no/verdenspremiere-hos-asko-for-elektrisk-giga...
There is zero guarantee that any targets will be met as things stand.
Because many vehicles do _not_ drive far on most days, even charging on ubiquitous 120v wall sockets replenishes electricity spent on those normal days easily.
Since 240v is common in the US, with no special requirements on pre-existing grid (everyone has stoves and dryers at 240v, for example) it's still easy to recharge after longer than normal driving days, overnight.
Where I live most commutes are 25 miles a day, or almost an entire overnight to charge. That is 7 hours of charging, per day if you drive a Model Y.
Regardless of your charging schedule, the power has to come from a local transformer and will be ADDITIONAL to the current load on the grid, you can wait 5 days but that just means more load for longer.
Transformers are typically 450kwh to 900kwh, and the power company matches capacity to demand.
This means adding another ~100kwh to your neighborhood in overnight charging not only adds to the power plant, but also all the infrastructure along the way, and most notably your transformer(s).
That is why I am curious about a deep dive, if we really want to go all electric, what all has to be upgraded? What is a reasonable schedule for a local utility and how much are we going to pay.
And then you add in the road trips and superchargers...
This is not the whole story but it contributes to why the grid doom and gloom predictions are taking longer to come true.
The answer is we don't, because not everyone refuels at once, but bearjaws asked "how we could ever handle everyone plugging in a 1-10kwh charger at home every night for potentially hours", which is equally invalid.
If you want an answer to your question: look at what happens during fuel scarcity scares (like in the UK in 2020/2021ish). The answer is “we don’t.”