Charging a 2027 Rivian R1S Premium (20in) at home in West Virginia
A 2027 Rivian R1S Premium (20in) draws 42.9 kWh per 100 miles per the EPA; at West Virginia's 15.42¢/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 West Virginia — charging at home is much cheaper than gas here.
What a year of driving costs
West Virginia owners putting 15,000 annual miles on a 2027 Rivian R1S Premium (20in) spend about $992 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.
What one full charge costs
At West Virginia's rate, fully covering this 2027 Rivian R1S Premium (20in)'s 300-mile EPA range costs about $19.83 (128.6 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) in West Virginia ranks 11,920 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium (20in) ranks 314 of 400 EV models for raw efficiency, and West Virginia ranks 24 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 West Virginia electrician to quote the install before this math becomes a real decision.
More on how this number was built
See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium (20in)'s cost in West Virginia. West Virginia's 15.42¢/kWh rate ranks 24 of 51 states; the state rate guide lays out the full spread.