What it costs to charge a 2026 Rivian R1S Performance Dual Large Plus (20in) in Maine

A 2026 Rivian R1S Performance Dual Large Plus (20in) draws 43.1 kWh per 100 miles per the EPA; at Maine's 29.67¢/kWh residential rate that's $12.79 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 20.1% cheaper per mile than gasoline in Maine — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2026 Rivian R1S Performance Dual Large Plus (20in) in Maine runs about $1,919 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $484 saved annually, at this mileage.

What one full charge costs

$40.56 — that's what Maine's 29.67¢/kWh rate puts on the 136.7 kWh a 2026 Rivian R1S Performance Dual Large Plus (20in) needs for its full 317-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Large Plus (20in) in Maine ranks 19,453 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Large Plus (20in) ranks 328 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

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.