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.
