Massachusetts home charging cost for the 2026 Cadillac OPTIQ RWD (11 kW Charger)
A 2026 Cadillac OPTIQ RWD (11 kW Charger) draws 32.1 kWh per 100 miles per the EPA; at Massachusetts's 30.06¢/kWh residential rate that's $9.64 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is cheaper than gas here: 39.8% 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 2026 Cadillac OPTIQ RWD (11 kW Charger) costs roughly $1,447 a year to charge at home in Massachusetts, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $956 a year.
Filling up the 2026 Cadillac OPTIQ RWD (11 kW Charger), in dollars
Covering the 2026 Cadillac OPTIQ RWD (11 kW Charger)'s EPA-rated 317-mile range takes about 101.7 kWh, which costs about $30.57 at Massachusetts's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
2026 Cadillac OPTIQ RWD (11 kW Charger) in Massachusetts, ranked
This combination ranks 17,099 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ RWD (11 kW Charger) alone ranks 90 of 400 models for efficiency; Massachusetts alone ranks 49 of 51 states for electricity price.
Getting set up to charge a 2026 Cadillac OPTIQ RWD (11 kW Charger) at home
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.
Line up a few Massachusetts electrician quotes for Level 2 install before you commit either way.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Massachusetts 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.