2026 Volvo EC40 Twin: home charging cost in Wyoming
At Wyoming's residential electricity rate of 13.88¢/kWh, a 2026 Volvo EC40 Twin (rated 34.8 kWh per 100 miles by the EPA) costs $4.84 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home costs a fraction of what gas would here: 69.8% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Volvo EC40 Twin charged at home in Wyoming costs about $725/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,678 a year.
Cost of a full charge
A 2026 Volvo EC40 Twin needs roughly 93.4 kWh to reach its EPA-rated 268-mile range, which runs about $12.96 at 13.88¢/kWh in Wyoming.
How this compares nationally
This combination ranks 3,818 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Volvo EC40 Twin alone ranks 144 of 400 models for efficiency; Wyoming alone ranks 12 of 51 states for electricity price.
Before you install a home charger in Wyoming
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Line up a few Wyoming electrician quotes for Level 2 install before you commit either way.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Wyoming's 13.88¢/kWh compares? The guide to charging cost by state ranks every state side by side.