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

In Ohio, home electricity runs 18.53¢/kWh — put a 2027 Rivian R1S Premium (20in AT)'s EPA-rated 44.4 kWh/100mi against that and 100 miles costs $8.22, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 48.7% cheaper per mile than gasoline in Ohio — charging at home is much cheaper than gas here.

What a year of driving costs

Ohio owners putting 15,000 annual miles on a 2027 Rivian R1S Premium (20in AT) spend about $1,233 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,170 saved annually, at this mileage.

Cost of a full charge

At Ohio's rate, fully covering this 2027 Rivian R1S Premium (20in AT)'s 289-mile EPA range costs about $23.76 (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 Ohio ranks 15,373 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 Ohio ranks 34 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 Rivian R1S Premium (20in AT) at home

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 Ohio 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. Curious how Ohio's 18.53¢/kWh compares? The guide to charging cost by state ranks every state side by side.