2026 Rivian R1S Dual Large (20in): home charging cost in New Jersey
At New Jersey's residential electricity rate of 23.65¢/kWh, a 2026 Rivian R1S Dual Large (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $10.14 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is cheaper than gas here: 36.7% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Dual Large (20in) charged at home in New Jersey costs about $1,521/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $882 a year.
Filling up the 2026 Rivian R1S Dual Large (20in), in dollars
A 2026 Rivian R1S Dual Large (20in) needs roughly 128.6 kWh to reach its EPA-rated 300-mile range, which runs about $30.42 at 23.65¢/kWh in New Jersey.
How this compares nationally
This combination ranks 17,560 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Large (20in) alone ranks 316 of 400 models for efficiency; New Jersey alone ranks 40 of 51 states for electricity price.
Next step: home charger installation
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.
Line up a few New Jersey electrician quotes for Level 2 install before you commit either way.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. New Jersey's 23.65¢/kWh rate ranks 40 of 51 states; the state rate guide lays out the full spread.