2026 Polestar 3 Long Range Single Motor (21 Inch Wheels): home charging cost in Washington

In Washington, home electricity runs 14.35¢/kWh — put a 2026 Polestar 3 Long Range Single Motor (21 Inch Wheels)'s EPA-rated 34.7 kWh/100mi against that and 100 miles costs $4.98, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 68.9% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Polestar 3 Long Range Single Motor (21 Inch Wheels) charged at home in Washington costs about $748/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,655 a year.

Cost of a full charge

A 2026 Polestar 3 Long Range Single Motor (21 Inch Wheels) needs roughly 101.1 kWh to reach its EPA-rated 291-mile range, which runs about $14.5 at 14.35¢/kWh in Washington.

2026 Polestar 3 Long Range Single Motor (21 Inch Wheels) in Washington, ranked

This combination ranks 4,483 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Polestar 3 Long Range Single Motor (21 Inch Wheels) alone ranks 143 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.

Ask a licensed Washington 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 Polestar 3 Long Range Single Motor (21 Inch Wheels)'s cost in Washington. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.