Charging a 2026 Volvo EX40 at home in Idaho

In Idaho, home electricity runs 12.8¢/kWh — put a 2026 Volvo EX40's EPA-rated 31.7 kWh/100mi against that and 100 miles costs $4.06, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 74.7% cheaper per mile than gasoline in Idaho — charging at home costs a fraction of what gas would here.

2026 Volvo EX40: yearly cost in Idaho

Idaho owners putting 15,000 annual miles on a 2026 Volvo EX40 spend about $609 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,794 saved annually, at this mileage.

Filling up the 2026 Volvo EX40, in dollars

At Idaho's rate, fully covering this 2026 Volvo EX40's 296-mile EPA range costs about $12.01 (93.8 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Volvo EX40 in Idaho ranks 1,059 for cost savings versus gas — 1 being the best deal nationally. Separately, the Volvo EX40 ranks 83 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Volvo EX40 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.

Line up a few Idaho electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.