Charging a 2027 Rivian R1S Premium (20in) at home in Kansas
At Kansas's residential electricity rate of 15.19¢/kWh, a 2027 Rivian R1S Premium (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $6.51 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. That works out to 59.3% cheaper per mile than gasoline in Kansas — charging at home is much cheaper than gas here.
2027 Rivian R1S Premium (20in): yearly cost in Kansas
Kansas owners putting 15,000 annual miles on a 2027 Rivian R1S Premium (20in) spend about $977 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,426 saved annually, at this mileage.
What one full charge costs
At Kansas's rate, fully covering this 2027 Rivian R1S Premium (20in)'s 300-mile EPA range costs about $19.54 (128.6 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium (20in) in Kansas ranks 11,508 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 Kansas ranks 20 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 Rivian R1S Premium (20in) 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.
Get quotes from local electricians for Level 2 charger installation in Kansas before deciding.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 15.19¢/kWh, Kansas sits in the middle of the national range — the guide to why charging cost varies by state shows where.