Charging a 2026 Cadillac OPTIQ AWD V SERIES 11 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 11 kW Charger's EPA-rated 36.7 kWh/100mi against that and 100 miles costs $9, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 43.8% cheaper per mile than gasoline in District of Columbia — charging at home is much cheaper than gas here.

What a year of driving costs

District of Columbia owners putting 15,000 annual miles on a 2026 Cadillac OPTIQ AWD V SERIES 11 kW Charger spend about $1,350 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,053 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 11 kW Charger's 278-mile EPA range costs about $25.01 (101.9 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 11 kW Charger in District of Columbia ranks 16,383 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ AWD V SERIES 11 kW Charger ranks 182 of 400 EV models for raw efficiency, and District of Columbia ranks 42 of 51 for cheapest residential electricity.

Before you install a home charger in District of Columbia

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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. District of Columbia's 24.54¢/kWh rate ranks 42 of 51 states; the state rate guide lays out the full spread.