2026 Volvo EX90 (21 Inch Wheels): home charging cost in Idaho

A 2026 Volvo EX90 (21 Inch Wheels) draws 34.5 kWh per 100 miles per the EPA; at Idaho's 12.8¢/kWh residential rate that's $4.41 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 72.5% less than gas per mile, here specifically.

2026 Volvo EX90 (21 Inch Wheels): yearly cost in Idaho

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Volvo EX90 (21 Inch Wheels) charged at home in Idaho costs about $662/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,741 a year.

Filling up the 2026 Volvo EX90 (21 Inch Wheels), in dollars

A 2026 Volvo EX90 (21 Inch Wheels) needs roughly 100.3 kWh to reach its EPA-rated 291-mile range, which runs about $12.84 at 12.8¢/kWh in Idaho.

Where this ranks

This combination ranks 2,066 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Volvo EX90 (21 Inch Wheels) alone ranks 135 of 400 models for efficiency; Idaho alone ranks 3 of 51 states for electricity price.

Before you install a home charger in Idaho

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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Volvo EX90 (21 Inch Wheels)'s cost in Idaho. 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.