Charging a 2026 Rivian R1T Performance Dual Large (22in) at home in Massachusetts
A 2026 Rivian R1T Performance Dual Large (22in) draws 39.5 kWh per 100 miles per the EPA; at Massachusetts's 30.06¢/kWh residential rate that's $11.87 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 25.9% 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 Performance Dual Large (22in) spend about $1,780 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $623 saved annually, at this mileage.
Filling up the 2026 Rivian R1T Performance Dual Large (22in), in dollars
At Massachusetts's rate, fully covering this 2026 Rivian R1T Performance Dual Large (22in)'s 329-mile EPA range costs about $39.04 (129.9 kWh) — the energy the EPA test actually used, not the battery's rated size.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Performance Dual Large (22in) in Massachusetts ranks 18,941 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance Dual Large (22in) ranks 253 of 400 EV models for raw efficiency, and Massachusetts ranks 49 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 Rivian R1T Performance Dual Large (22in) at home
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.
Get quotes from local electricians for Level 2 charger installation in Massachusetts before deciding.
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.