Almost all Tesla cars come standard with Supercharging hardware. Model S and X cars ordered before January 15, 2017 received free unlimited supercharging. Model S and X cars ordered between January 15, 2017 and August 3, 2019 got 400 kWh (1,400 MJ) of free Supercharging credits per year, which provides a range of roughly 1,000 miles per year (1,600 km/a) .