2027 Rivian R1T Premium Long Range (20in AT): home charging cost in Massachusetts
At Massachusetts's residential electricity rate of 30.06¢/kWh, a 2027 Rivian R1T Premium Long Range (20in AT) (rated 43.2 kWh per 100 miles by the EPA) costs $12.99 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 cheaper than gas here: 18.9% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1T Premium Long Range (20in AT) charged at home in Massachusetts costs about $1,949/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $454 a year.
Filling up the 2027 Rivian R1T Premium Long Range (20in AT), in dollars
A 2027 Rivian R1T Premium Long Range (20in AT) needs roughly 159.9 kWh to reach its EPA-rated 370-mile range, which runs about $48.08 at 30.06¢/kWh in Massachusetts.
2027 Rivian R1T Premium Long Range (20in AT) in Massachusetts, ranked
This combination ranks 19,540 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Premium Long Range (20in AT) alone ranks 332 of 400 models for efficiency; Massachusetts alone ranks 49 of 51 states for electricity price.
Before you install a home charger in Massachusetts
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 Massachusetts before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.