North Carolina home charging cost for the 2027 Rivian R1S Premium Long Range (22in)
At North Carolina's residential electricity rate of 14.9¢/kWh, a 2027 Rivian R1S Premium Long Range (22in) (rated 39.9 kWh per 100 miles by the EPA) costs $5.95 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 much cheaper than gas here: 62.9% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1S Premium Long Range (22in) costs roughly $893 a year to charge at home in North Carolina, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,510 a year.
Cost of a full charge
Covering the 2027 Rivian R1S Premium Long Range (22in)'s EPA-rated 410-mile range takes about 163.7 kWh, which costs about $24.4 at North Carolina's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 9,131 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium Long Range (22in) alone ranks 264 of 400 models for efficiency; North Carolina alone ranks 18 of 51 states for electricity price.
Before you install a home charger in North Carolina
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 North Carolina electrician quotes for Level 2 install before you commit either way.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. North Carolina's 14.9¢/kWh rate ranks 18 of 51 states; the state rate guide lays out the full spread.