ChargeCostFinder

Charging a 2026 Rivian R1T Dual Max (22in) at home in Massachusetts

At Massachusetts's residential electricity rate of 30.06¢/kWh, a 2026 Rivian R1T Dual Max (22in) (rated 38.8 kWh per 100 miles by the EPA) costs $11.68 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 27.1% cheaper per mile than gasoline in Massachusetts — charging at home is cheaper than gas here.

What a year of driving costs

Massachusetts owners putting 15,000 annual miles on a 2026 Rivian R1T Dual Max (22in) spend about $1,751 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $652 saved annually, at this mileage.

Filling up the 2026 Rivian R1T Dual Max (22in), in dollars

At Massachusetts's rate, fully covering this 2026 Rivian R1T Dual Max (22in)'s 420-mile EPA range costs about $49.04 (163.1 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1T Dual Max (22in) in Massachusetts, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Max (22in) in Massachusetts ranks 18,812 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Max (22in) ranks 234 of 400 EV models for raw efficiency, and Massachusetts ranks 49 of 51 for cheapest residential electricity.

Before you install a home charger in Massachusetts

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.

Ask a licensed Massachusetts electrician to quote the install before this math becomes a real decision.

More on how this number was built

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.