It seems like business insider's analysis lacks crucial nuance to how things actually work.
In a reality which exists beyond napkin calculations, our 2 EV household, our monthly electricity bill just hit its peak of $185 due to this heatwave. During March/October, it goes down as low as $50.
In fact, even if I charge at the supercharger during peak hours, it costs at most the same as buying gas.
https://fred.stlouisfed.org/series/GASREGCOVW
But it really depends on type of vehicle and type of usage.
Lots of start and stop miles, and electric might come out ahead. For example, family with kids that need to drive to various places.
Lots of short drives, but not a lot of total mileage, gas might still make more sense. For example, retiree or spare car.
Lots of long commutes at highway speeds, gas might still make more sense.
But... I just looked at my last bill. Apparently Mid peak is $.58 / kWh at SoCal Edison.
Even the cheapest time, Super off peak is $0.33333 / kWh which is more than Peak Usage in Phoenix, which ends up being $.29 / kWh.
I didn't know it was that bad.
so about $7.75 - $11.25 for that 100-mile fillup.
I try to charge during the day when solar covers the charging need, that comes with its own issues too tho.
Financially speaking, charging at home in California is a losing proposition.
* Please forgive me, I couldn't resist the Dumb and Dumber reference :p