What it costs to charge a 2026 Volvo EX40 Twin in Washington

At Washington's residential electricity rate of 14.35¢/kWh, a 2026 Volvo EX40 Twin (rated 36 kWh per 100 miles by the EPA) costs $5.16 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. That works out to 67.8% cheaper per mile than gasoline in Washington — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Volvo EX40 Twin in Washington runs about $774 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,629 saved annually, at this mileage.

What one full charge costs

$13.42 — that's what Washington's 14.35¢/kWh rate puts on the 93.5 kWh a 2026 Volvo EX40 Twin needs for its full 260-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Volvo EX40 Twin in Washington ranks 5,289 for cost savings versus gas — 1 being the best deal nationally. Separately, the Volvo EX40 Twin ranks 166 of 400 EV models for raw efficiency, and Washington ranks 15 of 51 for cheapest residential electricity.

Before you install a home charger in Washington

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Ask a licensed Washington electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Volvo EX40 Twin's cost in Washington. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.