Updating California’s grid for EVs may cost up to $20 billion
Updating California’s grid for EVs may cost up to $20 billion
Charging electric vehicles at home will exceed most power lines' capacity.
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From the article...
The one wild card is direct current fast charging. Eliminating fast chargers entirely would reduce the number of feeders that need upgrades by 12 percent. Converting all public stations to DC fast charging, in contrast, would boost that number by 15 percent. So the details of the upgrades that will be needed will be very sensitive to the impatience of EV drivers.
And considering humanity is impatient, you might as well just assume the higher number.
Impatience wouldn't make a difference if home charging was more widely available. New home construction to have charging requirements.
Homes with a garage should require at least 1 dedicated 50 amp circuit near a parking space. Apartment complexes should be required to install X number of chargers per unit. There are several options on the market to allow them to charge for the electricity on a per unit basis if utilities aren't included in rent, or if they want to charge that separately.
Overnight charging doesn't even need 50A L2. Less than half that is plenty for most users.