Charging a 2027 Vinfast VF 9 Plus at home in Rhode Island

In Rhode Island, home electricity runs 29.45¢/kWh — put a 2027 Vinfast VF 9 Plus's EPA-rated 49.8 kWh/100mi against that and 100 miles costs $14.66, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 8.5% cheaper per mile than gasoline in Rhode Island — charging at home costs a little less than gas here.

What a year of driving costs

Rhode Island owners putting 15,000 annual miles on a 2027 Vinfast VF 9 Plus spend about $2,199 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $204 saved annually, at this mileage.

Cost of a full charge

At Rhode Island's rate, fully covering this 2027 Vinfast VF 9 Plus's 287-mile EPA range costs about $42.07 (142.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Vinfast VF 9 Plus in Rhode Island ranks 19,945 for cost savings versus gas — 1 being the best deal nationally. Separately, the Vinfast VF 9 Plus ranks 385 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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Vinfast VF 9 Plus's cost in Rhode Island. 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.