What it costs to charge a 2026 Cadillac OPTIQ RWD (11 kW Charger) in Connecticut
At Connecticut's residential electricity rate of 28.82¢/kWh, a 2026 Cadillac OPTIQ RWD (11 kW Charger) (rated 32.1 kWh per 100 miles by the EPA) costs $9.25 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 42.3% cheaper per mile than gasoline in Connecticut — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Home charging this 2026 Cadillac OPTIQ RWD (11 kW Charger) in Connecticut runs about $1,387 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,016 saved annually, at this mileage.
Cost of a full charge
$29.31 — that's what Connecticut's 28.82¢/kWh rate puts on the 101.7 kWh a 2026 Cadillac OPTIQ RWD (11 kW Charger) needs for its full 317-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Cadillac OPTIQ RWD (11 kW Charger) in Connecticut ranks 16,669 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ RWD (11 kW Charger) ranks 90 of 400 EV models for raw efficiency, and Connecticut ranks 45 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 Cadillac OPTIQ RWD (11 kW Charger) at home
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 Connecticut 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. Connecticut's 28.82¢/kWh rate ranks 45 of 51 states; the state rate guide lays out the full spread.