Charging a 2026 Rivian R1S All-Terrain Tri Max (20in) at home in North Dakota
In North Dakota, home electricity runs 12.19¢/kWh — put a 2026 Rivian R1S All-Terrain Tri Max (20in)'s EPA-rated 49.8 kWh/100mi against that and 100 miles costs $6.07, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 62.1% cheaper per mile than gasoline in North Dakota — charging at home is much cheaper than gas here.
What a year of driving costs
North Dakota owners putting 15,000 annual miles on a 2026 Rivian R1S All-Terrain Tri Max (20in) spend about $911 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,492 saved annually, at this mileage.
Filling up the 2026 Rivian R1S All-Terrain Tri Max (20in), in dollars
At North Dakota's rate, fully covering this 2026 Rivian R1S All-Terrain Tri Max (20in)'s 329-mile EPA range costs about $19.99 (164 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 All-Terrain Tri Max (20in) in North Dakota ranks 9,757 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 North Dakota ranks 1 of 51 for cheapest residential electricity.
Before you install a home charger in North Dakota
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
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S All-Terrain Tri Max (20in)'s cost in North Dakota. 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.