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Buyers curious about making the switch to electric vehicles have made it clear in survey after survey after survey: Charging kind of freaks them out. EV Charging Home
In many ways, drivers report, owning an EV is the same if not better than owning a gas-powered car. But fueling an electric vehicle is different, and can be inconvenient depending on where you live, and is therefore sometimes scary to even those interested in buying electric.
The majority of today’s American EV owners charge at home, but more than 20 percent of US households don’t have access to consistent off-street parking where they can plug in overnight. The public charging network, meanwhile, can be spotty, and drivers have complained that chargers aren’t always well maintained or even functioning.
The good news is that automakers, governments, and other policy players realize the US has a charging problem. They want more people in electric cars. Automakers are scaling up EV production and want people to buy them, and legislators realize that nixing gas-powered cars in favor of zero-emissions electrics will be an important part of staving off the worst effects of climate change.
As a result of the early efforts to make the switch to EVs, the US currently has 188,600 public and private charging ports, and 67,900 charging stations, according to data collected by the US Department of Energy—figures that have more than doubled since 2020. Another 240 stations are currently planned. Compare that to today’s gas infrastructure: The country has about 145,000 gas fueling stations, according to the American Petroleum Institute.
At WIRED, the whole situation got us interested in a thought experiment: If we could magically snap our fingers and turn every auto electric, how many charging stations would the US need to add?
Number-crunchers at Coltura, an alternative fuel research and advocacy group, crunched the numbers:
The upshot? The nation needs to build lots and lots more chargers before it gets to full electrification, a point experts suggest should come in the 2040s. But the task may not be as insurmountable as it looks.
The number of public chargers will have to grow by a factor of six, as estimated by Matthew Metz, Coltura’s executive director, and Ron Barzilay, its data and policy associate. “We’re not necessarily off-track,” says Metz.
(To be clear, the whole thought experiment is just that—a thought experiment. Plenty of experts believe that even if the world races toward full electrification, there will still be places where gas-powered cars stick around for a while yet.)
Part of the reason for the estimates’ sanguine approach to public charging: Most experts don’t believe that most drivers will neatly replace their gas station habit with a public charging one. Instead, Metz and Barzilay project that 90 percent of housing units will have an EV charger, and that 70 percent of drivers’ charging demand will be met through home-charging. Another 10 percent might be fulfilled at work, as people plug in while in the workplace. The last 20 percent of charging, Coltura assumes, will happen at those public charging stations, approximately 70 percent of which will be the DC fast chargers, currently the fastest available.
Emphasis on currently, says Barzilay. Predicting the future is hard stuff, and he says “we’re unsure about what type of tech will be available” whenever full electrification hits. It may be that by the time the whole nation is driving EVs, today’s top-of-the-line fast chargers—which can get a vehicle from no charge to 80 percent in around 20 minutes—will have been topped by an even faster, more efficient standard. In that case, the country would be in an even better place than we’d thought.
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