Washington home charging cost for the 2026 Volvo EX30 Single motor extended range
A 2026 Volvo EX30 Single motor extended range draws 29.2 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $4.19 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: 73.9% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Volvo EX30 Single motor extended range costs roughly $628 a year to charge at home in Washington, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,775 a year.
Filling up the 2026 Volvo EX30 Single motor extended range, in dollars
Covering the 2026 Volvo EX30 Single motor extended range's EPA-rated 261-mile range takes about 76.1 kWh, which costs about $10.92 at Washington's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 1,445 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Volvo EX30 Single motor extended range alone ranks 45 of 400 models for efficiency; Washington alone ranks 15 of 51 states for electricity price.
Next step: home charger installation
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 Washington 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. At 14.35¢/kWh, Washington sits in the middle of the national range — the guide to why charging cost varies by state shows where.