District of Columbia home charging cost for the 2026 Polestar 4 Long Range Single Motor

A 2026 Polestar 4 Long Range Single Motor draws 35 kWh per 100 miles per the EPA; at District of Columbia's 24.54¢/kWh residential rate that's $8.59 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 46.4% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Polestar 4 Long Range Single Motor costs roughly $1,288 a year to charge at home in District of Columbia, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,115 a year.

What one full charge costs

Covering the 2026 Polestar 4 Long Range Single Motor's EPA-rated 310-mile range takes about 108.5 kWh, which costs about $26.63 at District of Columbia's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 Polestar 4 Long Range Single Motor in District of Columbia, ranked

This combination ranks 15,891 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Polestar 4 Long Range Single Motor alone ranks 148 of 400 models for efficiency; District of Columbia alone ranks 42 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 District of Columbia electrician to quote the install before this math becomes a real decision.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how District of Columbia's 24.54¢/kWh compares? The guide to charging cost by state ranks every state side by side.