2026 Rivian R1T Dual Large (20in), MA Charging Cost
2026 Rivian R1T Dual Large (20in): home charging cost in Massachusetts
A 2026 Rivian R1T Dual Large (20in) draws 42.9 kWh per 100 miles per the EPA; at Massachusetts's 30.06¢/kWh residential rate that's $12.89 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: 19.6% 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 2026 Rivian R1T Dual Large (20in) charged at home in Massachusetts costs about $1,933/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $470 a year.
Cost of a full charge
A 2026 Rivian R1T Dual Large (20in) needs roughly 128.6 kWh to reach its EPA-rated 300-mile range, which runs about $38.66 at 30.06¢/kWh in Massachusetts.
2026 Rivian R1T Dual Large (20in) in Massachusetts, ranked
This combination ranks 19,491 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Dual Large (20in) alone ranks 318 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.