Charging a 2027 Rivian R1S Quad (20in AT) at home in Wisconsin

In Wisconsin, home electricity runs 18.99¢/kWh — put a 2027 Rivian R1S Quad (20in AT)'s EPA-rated 50.1 kWh/100mi against that and 100 miles costs $9.51, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 40.6% cheaper per mile than gasoline in Wisconsin — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Wisconsin owners putting 15,000 annual miles on a 2027 Rivian R1S Quad (20in AT) spend about $1,427 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $976 saved annually, at this mileage.

Cost of a full charge

At Wisconsin's rate, fully covering this 2027 Rivian R1S Quad (20in AT)'s 325-mile EPA range costs about $30.92 (162.8 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 Quad (20in AT) in Wisconsin ranks 16,987 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad (20in AT) ranks 390 of 400 EV models for raw efficiency, and Wisconsin ranks 35 of 51 for cheapest residential electricity.

Before you install a home charger in Wisconsin

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 Wisconsin electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Wisconsin's 18.99¢/kWh rate ranks 35 of 51 states; the state rate guide lays out the full spread.