Launched this week
EV Charge Math
Your real EV charging cost, by ZIP code and utility
2 followers
Your real EV charging cost, by ZIP code and utility
2 followers
Enter your ZIP code and your car to see what charging at home really costs: per month, per mile and per full charge. Rates come from public EIA and NREL/OpenEI data for about 38,500 ZIP codes and 1,300 utilities, with time-of-use plans for 51 of them. It also compares home charging, Superchargers and gas in every state. Free, no sign-up, and the data is downloadable as CSV.
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Hi Product Hunt! I'm Àlex. I built EV Charge Math because most answers to "how much does it cost to charge an EV?" use one national average, while the real price depends on your state and your utility.
Enter your ZIP and car and you get the cost per charge, per mile and per month using your utility's estimated rate, plus overnight/EV plans where the data is clean (51 utilities so far). Everything comes from public EIA, EPA and NREL/OpenEI data, and the state and utility tables are free to download as CSV.
One thing that surprised me: at standard non-member prices, Supercharging costs more per mile than a 30-mpg gas car in 46 of 51 states.
I'm in Spain and don't own an EV in the U.S., so if your bill doesn't match the estimate, please tell me. That's the most useful feedback I can get.