Maryland home charging cost for the 2027 Cadillac OPTIQ AWD 19kW Charger

A 2027 Cadillac OPTIQ AWD 19kW Charger draws 34 kWh per 100 miles per the EPA; at Maryland's 21.27¢/kWh residential rate that's $7.24 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 54.8% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Cadillac OPTIQ AWD 19kW Charger costs roughly $1,086 a year to charge at home in Maryland, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,317 a year.

Cost of a full charge

Covering the 2027 Cadillac OPTIQ AWD 19kW Charger's EPA-rated 303-mile range takes about 103.1 kWh, which costs about $21.93 at Maryland's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 13,672 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ AWD 19kW Charger alone ranks 124 of 400 models for efficiency; Maryland alone ranks 39 of 51 states for electricity price.

Before you install a home charger in Maryland

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 Maryland before deciding.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 21.27¢/kWh, Maryland sits in the middle of the national range — the guide to why charging cost varies by state shows where.