Charging a 2027 Cadillac OPTIQ RWD 11kW Charger at home in California

At California's residential electricity rate of 33.17¢/kWh, a 2027 Cadillac OPTIQ RWD 11kW Charger (rated 32.1 kWh per 100 miles by the EPA) costs $10.64 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 33.6% cheaper per mile than gasoline in California — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

California owners putting 15,000 annual miles on a 2027 Cadillac OPTIQ RWD 11kW Charger spend about $1,596 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $807 saved annually, at this mileage.

Filling up the 2027 Cadillac OPTIQ RWD 11kW Charger, in dollars

At California's rate, fully covering this 2027 Cadillac OPTIQ RWD 11kW Charger's 317-mile EPA range costs about $33.74 (101.7 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Cadillac OPTIQ RWD 11kW Charger in California ranks 18,032 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ RWD 11kW Charger ranks 88 of 400 EV models for raw efficiency, and California ranks 50 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 California before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Cadillac OPTIQ RWD 11kW Charger's cost in California. California has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.