California home charging cost for the 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels)

At California's residential electricity rate of 33.17¢/kWh, a 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) (rated 37.5 kWh per 100 miles by the EPA) costs $12.45 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is cheaper than gas here: 22.3% less than gas per mile, here specifically.

2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels): yearly cost in California

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) costs roughly $1,867 a year to charge at home in California, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $536 a year.

Filling up the 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels), in dollars

Covering the 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels)'s EPA-rated 312-mile range takes about 117.1 kWh, which costs about $38.84 at California's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 19,248 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Polestar 3 Long Range Dual Motor (21 Inch Wheels) alone ranks 206 of 400 models for efficiency; California alone ranks 50 of 51 states for electricity price.

Before you install a home charger in California

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.

Get quotes from local electricians for Level 2 charger installation in California before deciding.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.