$28.80full charge
The R2 Performance (88 kWh) costs about $28.80 to charge fully at California's average home rate of 29.75¢/kWh, including about 10% charging loss (96.8 kWh from the wall). That is $8.73 per 100 miles.
EIA residential average, California, 2026-08 (latest in this book). EIA weekly retail regular, California, week of Oct 19, 2026.
At 1,000 miles a month and 30 mpg, home charging costs $87.27 and the gas car costs $201.03. The EV saves $113.77 a month at $6.031/gal. Both miles and mpg are editable on the calculator.
The listed DC fast-charge time is 10–80% in 29 min (estimate) at up to 230 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.