Rhode Island home charging cost for the 2027 Cadillac OPTIQ AWD 11kW Charger

At Rhode Island's residential electricity rate of 29.45¢/kWh, a 2027 Cadillac OPTIQ AWD 11kW Charger (rated 34 kWh per 100 miles by the EPA) costs $10.02 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is cheaper than gas here: 37.5% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Cadillac OPTIQ AWD 11kW Charger costs roughly $1,503 a year to charge at home in Rhode Island, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $900 a year.

Cost of a full charge

Covering the 2027 Cadillac OPTIQ AWD 11kW Charger's EPA-rated 303-mile range takes about 103.1 kWh, which costs about $30.36 at Rhode Island's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 17,432 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ AWD 11kW Charger alone ranks 123 of 400 models for efficiency; Rhode Island alone ranks 47 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 Rhode Island electrician to quote the install before this math becomes a real decision.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Cadillac OPTIQ AWD 11kW Charger'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.