2026 Rivian R1S Tri Max (22in), ND Charging Cost

Charging a 2026 Rivian R1S Tri Max (22in) at home in North Dakota

A 2026 Rivian R1S Tri Max (22in) draws 44.6 kWh per 100 miles per the EPA; at North Dakota's 12.19¢/kWh residential rate that's $5.43 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 66.1% cheaper per mile than gasoline in North Dakota, charging at home costs a fraction of what gas would here.

What a year of driving costs

North Dakota owners putting 15,000 annual miles on a 2026 Rivian R1S Tri Max (22in) spend about $815 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,588 saved annually, at this mileage.

What one full charge costs

At North Dakota's rate, fully covering this 2026 Rivian R1S Tri Max (22in)'s 371-mile EPA range costs about $20.16 (165.4 kWh), the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Tri Max (22in) in North Dakota ranks 6,640 for cost savings versus gas, 1 being the best deal nationally. Separately, the Rivian R1S Tri Max (22in) ranks 356 of 400 EV models for raw efficiency, and North Dakota ranks 1 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Tri Max (22in) at home

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 North Dakota electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. North Dakota is one of the cheapest states for home electricity, the guide to why the cost varies so much by state covers what drives that.