Charging a 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger at home in District of Columbia
In District of Columbia, home electricity runs 24.54¢/kWh — put a 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger's EPA-rated 41 kWh/100mi against that and 100 miles costs $10.06, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 37.2% cheaper per mile than gasoline in District of Columbia — charging at home is cheaper than gas here.
Annual cost, at 15 thousands miles a year
District of Columbia owners putting 15,000 annual miles on a 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger spend about $1,509 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $894 saved annually, at this mileage.
What one full charge costs
At District of Columbia's rate, fully covering this 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger's 250-mile EPA range costs about $25.15 (102.5 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 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger in District of Columbia ranks 17,473 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ AWD V SERIES 19 kW charger ranks 283 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.
Get quotes from local electricians for Level 2 charger installation in District of Columbia before deciding.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how District of Columbia's 24.54¢/kWh compares? The guide to charging cost by state ranks every state side by side.