What it costs to charge a 2027 Volvo EX90 in Rhode Island
A 2027 Volvo EX90 draws 36.8 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $10.84 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 32.3% cheaper per mile than gasoline in Rhode Island — charging at home is cheaper than gas here.
What a year of driving costs
Home charging this 2027 Volvo EX90 in Rhode Island runs about $1,626 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $777 saved annually, at this mileage.
Cost of a full charge
$29.92 — that's what Rhode Island's 29.45¢/kWh rate puts on the 101.6 kWh a 2027 Volvo EX90 needs for its full 276-mile EPA range.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Volvo EX90 in Rhode Island ranks 18,211 for cost savings versus gas — 1 being the best deal nationally. Separately, the Volvo EX90 ranks 186 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.
Before you install a home charger in Rhode Island
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.
Ask a licensed Rhode Island electrician to quote the install before this math becomes a real decision.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Rhode Island 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.