2026 Rivian R1S Performance Dual Large (22in): home charging cost in Maine

A 2026 Rivian R1S Performance Dual Large (22in) draws 39.5 kWh per 100 miles per the EPA; at Maine's 29.67¢/kWh residential rate that's $11.71 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is cheaper than gas here: 26.9% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Performance Dual Large (22in) charged at home in Maine costs about $1,757/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $646 a year.

Cost of a full charge

A 2026 Rivian R1S Performance Dual Large (22in) needs roughly 129.9 kWh to reach its EPA-rated 329-mile range, which runs about $38.53 at 29.67¢/kWh in Maine.

How this compares nationally

This combination ranks 18,841 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large (22in) alone ranks 251 of 400 models for efficiency; Maine alone ranks 48 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Performance Dual Large (22in) 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.

Ask a licensed Maine electrician to quote the install before this math becomes a real decision.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Performance Dual Large (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.