Hacker News new | ask | show | jobs
by simonblack 747 days ago
The aging power grid is not capable of charging millions of EVs on instant high current demand.

Until that happens, EVs will never be useful enough to make ICE cars obsolete.

"It's the infrastructure, stupid".

The US and other countries should have spent those trillions on infrastructure instead of wasting lives and treasure on stupid military adventures. Too late now, the countries are going down the gurgler big time.

1 comments

It's not that much power compared to the terawatt or so of peak capacity, and the "instant" nature of a single car doesn't affect the overall grid in the slightest.

For some rough math, people drive 10 billion miles per day in the US, and at 3-4 miles per kWh that's an average of 105-140 gigawatts. Average production is half a terawatt, so replacing half the cars on the road might only need 10% more average power production, and almost all of that charging can be done off-peak without an impact on transmission.

In the optimistic case, electric cars can even reduce peak loads on big distribution lines.