Charging a 2026 Rivian R1S Dual Standard (22in) at home in Maine

A 2026 Rivian R1S Dual Standard (22in) draws 39.9 kWh per 100 miles per the EPA; at Maine's 29.67¢/kWh residential rate that's $11.83 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 26.1% 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 2026 Rivian R1S Dual Standard (22in) spend about $1,775 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $628 saved annually, at this mileage.

Filling up the 2026 Rivian R1S Dual Standard (22in), in dollars

At Maine's rate, fully covering this 2026 Rivian R1S Dual Standard (22in)'s 270-mile EPA range costs about $31.95 (107.7 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 2026 Rivian R1S Dual Standard (22in) in Maine ranks 18,923 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Standard (22in) ranks 262 of 400 EV models for raw efficiency, and Maine ranks 48 of 51 for cheapest residential electricity.

Before you install a home charger in Maine

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.

Line up a few Maine electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.