What it costs to charge a 2027 Cadillac OPTIQ AWD 19kW Charger in District of Columbia
In District of Columbia, home electricity runs 24.54¢/kWh — put a 2027 Cadillac OPTIQ AWD 19kW Charger's EPA-rated 34 kWh/100mi against that and 100 miles costs $8.35, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 47.9% cheaper per mile than gasoline in District of Columbia — charging at home is much cheaper than gas here.
2027 Cadillac OPTIQ AWD 19kW Charger: yearly cost in District of Columbia
Home charging this 2027 Cadillac OPTIQ AWD 19kW Charger in District of Columbia runs about $1,252 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,151 saved annually, at this mileage.
What one full charge costs
$25.3 — that's what District of Columbia's 24.54¢/kWh rate puts on the 103.1 kWh a 2027 Cadillac OPTIQ AWD 19kW Charger needs for its full 303-mile EPA range.
2027 Cadillac OPTIQ AWD 19kW Charger in District of Columbia, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Cadillac OPTIQ AWD 19kW Charger in District of Columbia ranks 15,578 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 District of Columbia ranks 42 of 51 for cheapest residential electricity.
Next step: home charger installation
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 District of Columbia electrician to quote the install before this math becomes a real decision.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. District of Columbia's 24.54¢/kWh rate ranks 42 of 51 states; the state rate guide lays out the full spread.