Charging a 2027 Cadillac OPTIQ RWD 19kW Charger at home in Maine

A 2027 Cadillac OPTIQ RWD 19kW Charger draws 32.1 kWh per 100 miles per the EPA; at Maine's 29.67¢/kWh residential rate that's $9.52 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 40.6% cheaper per mile than gasoline in Maine — charging at home is much cheaper than gas here.

What a year of driving costs

Maine owners putting 15,000 annual miles on a 2027 Cadillac OPTIQ RWD 19kW Charger spend about $1,428 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $975 saved annually, at this mileage.

Filling up the 2027 Cadillac OPTIQ RWD 19kW Charger, in dollars

At Maine's rate, fully covering this 2027 Cadillac OPTIQ RWD 19kW Charger's 317-mile EPA range costs about $30.18 (101.7 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Cadillac OPTIQ RWD 19kW Charger in Maine ranks 16,972 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ RWD 19kW Charger ranks 89 of 400 EV models for raw efficiency, and Maine ranks 48 of 51 for cheapest residential electricity.

Before you install a home charger in Maine

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 Maine before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Cadillac OPTIQ RWD 19kW Charger's cost in Maine. Maine 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.