$31.59full charge
The Silverado EV RST - Max Range 4WD (200 kWh) costs about $31.59 to charge fully at Wyoming's average home rate of 14.36¢/kWh, including ~10% charging loss (220 kWh from the wall). That is $6.61 per 100 miles.
EIA residential average, Wyoming, 2026-07 (latest in this book). No Wyoming gasoline series, so this uses PADD 4 regular, week of Oct 5, 2026.
At 1,000 miles a month and 30 mpg, home charging costs $66.09 and the gas car costs $147.23. The EV saves $81.14 a month at $4.417/gal. Both miles and mpg are editable on the calculator.
The listed DC fast-charge time to 80% is 80 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.