What it costs to charge a 2027 Rivian R1S Premium Long Range (20in) in Michigan
In Michigan, home electricity runs 21.14¢/kWh — put a 2027 Rivian R1S Premium Long Range (20in)'s EPA-rated 42 kWh/100mi against that and 100 miles costs $8.87, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 44.6% 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) in Michigan runs about $1,331 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,072 saved annually, at this mileage.
Cost of a full charge
$33.72 — that's what Michigan's 21.14¢/kWh rate puts on the 159.5 kWh a 2027 Rivian R1S Premium Long Range (20in) needs for its full 380-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) in Michigan ranks 16,229 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium Long Range (20in) ranks 296 of 400 EV models for raw efficiency, and Michigan ranks 38 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 Rivian R1S Premium Long Range (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 Michigan before deciding.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Michigan's 21.14¢/kWh compares? The guide to charging cost by state ranks every state side by side.