2026 Cadillac OPTIQ AWD (11 kW Charger): home charging cost in District of Columbia

At District of Columbia's residential electricity rate of 24.54¢/kWh, a 2026 Cadillac OPTIQ AWD (11 kW Charger) (rated 34 kWh per 100 miles by the EPA) costs $8.35 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. Charging at home is much cheaper than gas here: 47.9% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Cadillac OPTIQ AWD (11 kW Charger) charged at home in District of Columbia costs about $1,252/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,151 a year.

What one full charge costs

A 2026 Cadillac OPTIQ AWD (11 kW Charger) needs roughly 103.1 kWh to reach its EPA-rated 303-mile range, which runs about $25.3 at 24.54¢/kWh in District of Columbia.

How this compares nationally

This combination ranks 15,579 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ AWD (11 kW Charger) alone ranks 125 of 400 models for efficiency; District of Columbia alone ranks 42 of 51 states for electricity price.

Before you install a home charger in District of Columbia

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Get quotes from local electricians for Level 2 charger installation in District of Columbia before deciding.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Cadillac OPTIQ AWD (11 kW Charger)'s cost in District of Columbia. Curious how District of Columbia's 24.54¢/kWh compares? The guide to charging cost by state ranks every state side by side.