2026 Rivian R1S All-Terrain Tri Max (20in), ME Charging Cost

What it costs to charge a 2026 Rivian R1S All-Terrain Tri Max (20in) in Maine

In Maine, home electricity runs 29.67¢/kWh, put a 2026 Rivian R1S All-Terrain Tri Max (20in)'s EPA-rated 49.8 kWh/100mi against that and 100 miles costs $14.79, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 7.7% cheaper per mile than gasoline in Maine, charging at home costs a little less than gas here.

What a year of driving costs

Home charging this 2026 Rivian R1S All-Terrain Tri Max (20in) in Maine runs about $2,218 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $185 saved annually, at this mileage.

Cost of a full charge

$48.65, that's what Maine's 29.67¢/kWh rate puts on the 164 kWh a 2026 Rivian R1S All-Terrain Tri Max (20in) needs for its full 329-mile EPA range.

2026 Rivian R1S All-Terrain Tri Max (20in) in Maine, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S All-Terrain Tri Max (20in) in Maine ranks 19,989 for cost savings versus gas, 1 being the best deal nationally. Separately, the Rivian R1S All-Terrain Tri Max (20in) ranks 388 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.