Solar questions: Getting An Electric Vehicle?

Getting an Electric Vehicle? How many more solar panels will you need?


How exciting! You’ve decided to buy an electric vehicle. You are going to love the silent, clean ride! So, how much more solar will you need to charge it? Well, that depends on how big your new ride’s battery is and how many miles a day you drive on average.

The formula we use to figure out how many additional panels you might need goes something like this:

Your awesome new EV has a 60 kwh battery – letting your drive about 300 miles on electrons! Your nightly partial charge will be about 50% of battery capacity = 30 kwh (5 miles per kwh of battery capacity = 150 miles a day of driving) = 30 kwh a day x 30 days = 900 kwh additional demand per month = 10,800 kwh a year. Each 340 watt mono solar panel makes about 400-600 kwh a year (depending on which way they face), so you’ll need  about 21 more panels.

Now, 150 miles a day of city driving is a LOT. Some of our company vehicles log those kinds of miles, but your average person’s daily driving is more like 40-50 miles. Remember, for most of the common EVs currently available, it’s about 4-5 miles of driving distance per kwh of battery capacity. So if you think you’ll drive about 40 miles a day on average, we’d only need 10 or 12 kwh of added juice per day or 300-350 kwh of added demand per month = 4,200 kwh annually or 8-9 more panels.

Ready for an accurate quote on solar to power that shiney new electric vehicle? Give us a call at 702-614-4900 or click here to get started.

Wait.. do you need a charger installed? We can do that, too. Click here for a quote.


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