What it costs to charge a 2027 Rivian R1S Premium Long Range (20in AT) in Michigan

A 2027 Rivian R1S Premium Long Range (20in AT) draws 43.2 kWh per 100 miles per the EPA; at Michigan's 21.14¢/kWh residential rate that's $9.14 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 43% cheaper per mile than gasoline in Michigan — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Rivian R1S Premium Long Range (20in AT) in Michigan runs about $1,371 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,032 saved annually, at this mileage.

Cost of a full charge

$33.81 — that's what Michigan's 21.14¢/kWh rate puts on the 159.9 kWh a 2027 Rivian R1S Premium Long Range (20in AT) needs for its full 370-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium Long Range (20in AT) in Michigan ranks 16,553 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium Long Range (20in AT) ranks 331 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 Premium Long Range (20in AT)'s cost in Michigan. Curious how Michigan's 21.14¢/kWh compares? The guide to charging cost by state ranks every state side by side.