Charging a 2027 Rivian R1S Premium Long Range (22in) at home in Maine

At Maine's residential electricity rate of 29.67¢/kWh, a 2027 Rivian R1S Premium Long Range (22in) (rated 39.9 kWh per 100 miles by the EPA) costs $11.85 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 26% cheaper per mile than gasoline in Maine — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

Maine owners putting 15,000 annual miles on a 2027 Rivian R1S Premium Long Range (22in) spend about $1,777 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $625 saved annually, at this mileage.

Cost of a full charge

At Maine's rate, fully covering this 2027 Rivian R1S Premium Long Range (22in)'s 410-mile EPA range costs about $48.58 (163.7 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 2027 Rivian R1S Premium Long Range (22in) in Maine ranks 18,927 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium Long Range (22in) ranks 264 of 400 EV models for raw efficiency, and Maine ranks 48 of 51 for cheapest residential electricity.

Next step: home charger installation

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 Maine before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium Long Range (22in)'s cost in Maine. 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.