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Can I charge an electric car with solar panels?

My EV has a home charging cable that I use, but it’s only a Level 1 connection and it takes a really long time to get to full battery capacity. Can I charge an electric car with solar panels, and would it be quicker?

avatar
Jason Crosby · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Yes, you can, but remember, you aren’t installing
solar panels
on the roof of your car. You’d need to install solar panels on the roof of your home in order to generate the power needed to charge your
electric vehicle
(EV). If you have the money already, it could be worth the savings in the years to come. Here are some things to consider if you’re interested in charging an electric car with solar panels:
  • It won’t be as simple as it sounds. In order to charge your EV with solar panels, you’d also need to install a home charging unit (which is different from the 110-volt outlet that you’re currently using with a Level 1 charger). This will be a Level 2 charger, which does indeed charge faster, but needs more voltage than a Level 1.
  • You’ll also need to install a PV inverter unit that converts the solar energy into DC current for the vehicle. Unless you are an electrician, you’ll need to hire a professional, which may be expensive.
  • You’ll most likely be installing a 1kW solar panel system. These are estimated to generate 850kW of energy output a year. Realistically, this would charge the average EV about 24 times, which translates into some 3,250 miles of driving range. Unless you don’t commute very far or aren’t fond of travel, this might not be very efficient.
For homeowners who already own solar panels, then paying a professional to install a PV inverter unit might make sense. Otherwise, it might be best to stick to your level 1 home connector cable and save some money.
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