$18.07full charge
The Cayenne Electric Base (113 kWh) costs about $18.07 to charge fully at Mississippi's average home rate of 14.54¢/kWh, including ~10% charging loss (124.3 kWh from the wall). That is $5.70 per 100 miles.
EIA residential average, Mississippi, 2026-07 (latest in this book). No Mississippi gasoline series, so this uses PADD 3 regular, week of Oct 5, 2026.
At 1,000 miles a month and 30 mpg, home charging costs $57.01 and the gas car costs $130.37. The EV saves $73.35 a month at $3.911/gal. Both miles and mpg are editable on the calculator.
The listed DC fast-charge time to 80% is 16 minutes at up to 400 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.