Maine home charging cost for the 2027 Rivian R1T Premium Long Range (20in)
At Maine's residential electricity rate of 29.67¢/kWh, a 2027 Rivian R1T Premium Long Range (20in) (rated 42 kWh per 100 miles by the EPA) costs $12.45 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: 22.3% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1T Premium Long Range (20in) costs roughly $1,868 a year to charge at home in Maine, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $535 a year.
Cost of a full charge
Covering the 2027 Rivian R1T Premium Long Range (20in)'s EPA-rated 380-mile range takes about 159.5 kWh, which costs about $47.32 at Maine's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
2027 Rivian R1T Premium Long Range (20in) in Maine, ranked
This combination ranks 19,250 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Premium Long Range (20in) alone ranks 297 of 400 models for efficiency; Maine alone ranks 48 of 51 states for electricity price.
Next step: home charger installation
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 Maine before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Maine 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.