What it costs to charge a 2026 Volvo EC40 in Montana

A 2026 Volvo EC40 draws 31.7 kWh per 100 miles per the EPA; at Montana's 13.77¢/kWh residential rate that's $4.36 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 72.8% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.

2026 Volvo EC40: yearly cost in Montana

Home charging this 2026 Volvo EC40 in Montana runs about $654 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,749 saved annually, at this mileage.

Cost of a full charge

$13 — that's what Montana's 13.77¢/kWh rate puts on the 94.4 kWh a 2026 Volvo EC40 needs for its full 298-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Volvo EC40 in Montana ranks 1,931 for cost savings versus gas — 1 being the best deal nationally. Separately, the Volvo EC40 ranks 82 of 400 EV models for raw efficiency, and Montana ranks 10 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Volvo EC40 at home

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.

Get quotes from local electricians for Level 2 charger installation in Montana before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.77¢/kWh, Montana sits in the middle of the national range — the guide to why charging cost varies by state shows where.