$33.20full charge
The EV9 Light Long Range RWD (99 kWh) costs about $33.20 to charge fully at Massachusetts's average home rate of 30.49¢/kWh, including ~10% charging loss (108.9 kWh from the wall). That is $10.89 per 100 miles.
EIA residential average, Massachusetts, 2026-07 (latest in this book). EIA weekly retail regular, Massachusetts, week of Oct 5, 2026.
At 1,000 miles a month and 30 mpg, home charging costs $108.86 and the gas car costs $143.40. The EV saves $34.54 a month at $4.302/gal. Both miles and mpg are editable on the calculator.
The listed DC fast-charge time to 80% is 24 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.