What it costs to charge a 2026 Cadillac OPTIQ RWD (19 kW Charger) in Delaware

At Delaware's residential electricity rate of 17.74¢/kWh, a 2026 Cadillac OPTIQ RWD (19 kW Charger) (rated 32.1 kWh per 100 miles by the EPA) costs $5.69 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. That works out to 64.5% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Cadillac OPTIQ RWD (19 kW Charger) in Delaware runs about $854 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,549 saved annually, at this mileage.

Cost of a full charge

$18.04 — that's what Delaware's 17.74¢/kWh rate puts on the 101.7 kWh a 2026 Cadillac OPTIQ RWD (19 kW Charger) needs for its full 317-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Cadillac OPTIQ RWD (19 kW Charger) in Delaware ranks 7,892 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ RWD (19 kW Charger) ranks 91 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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Cadillac OPTIQ RWD (19 kW Charger)'s cost in Delaware. Curious how Delaware's 17.74¢/kWh compares? The guide to charging cost by state ranks every state side by side.