$26.76full charge
The Gravity Grand Touring (112 kWh) costs about $26.76 to charge fully at Pennsylvania's average home rate of 21.72¢/kWh, including ~10% charging loss (123.2 kWh from the wall). That is $5.95 per 100 miles.
EIA residential average, Pennsylvania, 2026-07 (latest in this book). No Pennsylvania gasoline series, so this uses PADD 1B regular, week of Oct 5, 2026.
At 1,000 miles a month and 30 mpg, home charging costs $59.46 and the gas car costs $145.43. The EV saves $85.97 a month at $4.363/gal. Both miles and mpg are editable on the calculator.
The listed DC fast-charge time to 80% is 20 minutes at up to 350 kW. A full home charge is a different session. This page prices the energy from the wall, not how long a Level 2 charger takes.
This page uses the residential rate. Public fast-charging prices are a separate scenario and are not included.