2026 Rivian R1S All-Terrain Dual Large Plus (20in), MA…

2026 Rivian R1S All-Terrain Dual Large Plus (20in): home charging cost in Massachusetts

In Massachusetts, home electricity runs 30.06¢/kWh, put a 2026 Rivian R1S All-Terrain Dual Large Plus (20in)'s EPA-rated 46.9 kWh/100mi against that and 100 miles costs $14.09, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a little less than gas here: 12% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year, fueleconomy.gov's own default assumption, a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) charged at home in Massachusetts costs about $2,114/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $289 a year.

Cost of a full charge

A 2026 Rivian R1S All-Terrain Dual Large Plus (20in) needs roughly 136.9 kWh to reach its EPA-rated 292-mile range, which runs about $41.16 at 30.06¢/kWh in Massachusetts.

2026 Rivian R1S All-Terrain Dual Large Plus (20in) in Massachusetts, ranked

This combination ranks 19,837 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Dual Large Plus (20in) alone ranks 365 of 400 models for efficiency; Massachusetts alone ranks 49 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) 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

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.