Charging a 2027 Cadillac OPTIQ AWD 19kW Charger at home in Delaware

In Delaware, home electricity runs 17.74¢/kWh — put a 2027 Cadillac OPTIQ AWD 19kW Charger's EPA-rated 34 kWh/100mi against that and 100 miles costs $6.04, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 62.3% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Delaware owners putting 15,000 annual miles on a 2027 Cadillac OPTIQ AWD 19kW Charger spend about $905 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,498 saved annually, at this mileage.

Cost of a full charge

At Delaware's rate, fully covering this 2027 Cadillac OPTIQ AWD 19kW Charger's 303-mile EPA range costs about $18.29 (103.1 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 AWD 19kW Charger in Delaware ranks 9,584 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ AWD 19kW Charger ranks 124 of 400 EV models for raw efficiency, and Delaware ranks 33 of 51 for cheapest residential electricity.

Before you install a home charger in Delaware

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 Delaware electrician to quote the install before this math becomes a real decision.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 17.74¢/kWh, Delaware sits in the middle of the national range — the guide to why charging cost varies by state shows where.