Charging a 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) at home in Illinois

A 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) draws 37.5 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $7.21 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 55% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

What a year of driving costs

Illinois owners putting 15,000 annual miles on a 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) spend about $1,082 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,321 saved annually, at this mileage.

What one full charge costs

At Illinois's rate, fully covering this 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels)'s 312-mile EPA range costs about $22.5 (117.1 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) in Illinois ranks 13,585 for cost savings versus gas — 1 being the best deal nationally. Separately, the Polestar 3 Long Range Dual Motor (21 Inch Wheels) ranks 206 of 400 EV models for raw efficiency, and Illinois ranks 36 of 51 for cheapest residential electricity.

Before you install a home charger in Illinois

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Line up a few Illinois electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.