Charging a 2026 Rivian R1S All-Terrain Dual Large (20in) at home in New Hampshire
A 2026 Rivian R1S All-Terrain Dual Large (20in) draws 44.4 kWh per 100 miles per the EPA; at New Hampshire's 26.83¢/kWh residential rate that's $11.9 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 25.7% cheaper per mile than gasoline in New Hampshire — charging at home is cheaper than gas here.
Annual cost, at 15 thousands miles a year
New Hampshire owners putting 15,000 annual miles on a 2026 Rivian R1S All-Terrain Dual Large (20in) spend about $1,785 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $618 saved annually, at this mileage.
What one full charge costs
At New Hampshire's rate, fully covering this 2026 Rivian R1S All-Terrain Dual Large (20in)'s 289-mile EPA range costs about $34.4 (128.2 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 All-Terrain Dual Large (20in) in New Hampshire ranks 18,960 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S All-Terrain Dual Large (20in) ranks 344 of 400 EV models for raw efficiency, and New Hampshire ranks 43 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.
Ask a licensed New Hampshire electrician to quote the install before this math becomes a real decision.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. New Hampshire's 26.83¢/kWh rate ranks 43 of 51 states; the state rate guide lays out the full spread.