What it costs to charge a 2027 Cadillac OPTIQ AWD V SERIES 11kW Charger in Rhode Island

In Rhode Island, home electricity runs 29.45¢/kWh — put a 2027 Cadillac OPTIQ AWD V SERIES 11kW Charger's EPA-rated 36.7 kWh/100mi against that and 100 miles costs $10.8, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 32.6% 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 Cadillac OPTIQ AWD V SERIES 11kW Charger in Rhode Island runs about $1,620 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $783 saved annually, at this mileage.

Filling up the 2027 Cadillac OPTIQ AWD V SERIES 11kW Charger, in dollars

$30.02 — that's what Rhode Island's 29.45¢/kWh rate puts on the 101.9 kWh a 2027 Cadillac OPTIQ AWD V SERIES 11kW Charger needs for its full 278-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Cadillac OPTIQ AWD V SERIES 11kW Charger in Rhode Island ranks 18,180 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ AWD V SERIES 11kW Charger ranks 181 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.

Next step: home charger installation

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 Rhode Island electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.