Charging a 2027 Rivian R1S Premium (20in AT) at home in North Carolina

A 2027 Rivian R1S Premium (20in AT) draws 44.4 kWh per 100 miles per the EPA; at North Carolina's 14.9¢/kWh residential rate that's $6.61 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 58.7% cheaper per mile than gasoline in North Carolina — charging at home is much cheaper than gas here.

2027 Rivian R1S Premium (20in AT): yearly cost in North Carolina

North Carolina owners putting 15,000 annual miles on a 2027 Rivian R1S Premium (20in AT) spend about $991 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,411 saved annually, at this mileage.

Cost of a full charge

At North Carolina's rate, fully covering this 2027 Rivian R1S Premium (20in AT)'s 289-mile EPA range costs about $19.1 (128.2 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 2027 Rivian R1S Premium (20in AT) in North Carolina ranks 11,887 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium (20in AT) ranks 342 of 400 EV models for raw efficiency, and North Carolina ranks 18 of 51 for cheapest residential electricity.

Before you install a home charger in North Carolina

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 North Carolina electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how North Carolina's 14.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.