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

A 2026 Polestar 3 Long Range Single Motor (21 Inch Wheels) draws 34.7 kWh per 100 miles per the EPA; at California's 33.17¢/kWh residential rate that's $11.52 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is cheaper than gas here: 28.1% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

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 California costs about $1,728/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $675 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 $33.53 at 33.17¢/kWh in California.

Where this ranks

This combination ranks 18,683 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; California alone ranks 50 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 California 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 California. California has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.