Charging a 2027 Rivian R1S Performance (20in) at home in Michigan

At Michigan's residential electricity rate of 21.14¢/kWh, a 2027 Rivian R1S Performance (20in) (rated 47 kWh per 100 miles by the EPA) costs $9.93 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 38% cheaper per mile than gasoline in Michigan — charging at home is cheaper than gas here.

What a year of driving costs

Michigan owners putting 15,000 annual miles on a 2027 Rivian R1S Performance (20in) spend about $1,490 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $913 saved annually, at this mileage.

Filling up the 2027 Rivian R1S Performance (20in), in dollars

At Michigan's rate, fully covering this 2027 Rivian R1S Performance (20in)'s 348-mile EPA range costs about $34.57 (163.5 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 Performance (20in) in Michigan ranks 17,344 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance (20in) ranks 369 of 400 EV models for raw efficiency, and Michigan ranks 38 of 51 for cheapest residential electricity.

Before you install a home charger in Michigan

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.

Line up a few Michigan electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Performance (20in)'s cost in Michigan. Michigan's 21.14¢/kWh rate ranks 38 of 51 states; the state rate guide lays out the full spread.