2027 Rivian R1S Premium Long Range (20in): home charging cost in Florida
At Florida's residential electricity rate of 15.36¢/kWh, a 2027 Rivian R1S Premium Long Range (20in) (rated 42 kWh per 100 miles by the EPA) costs $6.45 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. Charging at home is much cheaper than gas here: 59.8% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1S Premium Long Range (20in) charged at home in Florida costs about $967/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,436 a year.
What one full charge costs
A 2027 Rivian R1S Premium Long Range (20in) needs roughly 159.5 kWh to reach its EPA-rated 380-mile range, which runs about $24.5 at 15.36¢/kWh in Florida.
Where this ranks
This combination ranks 11,224 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium Long Range (20in) alone ranks 296 of 400 models for efficiency; Florida alone ranks 23 of 51 states for electricity price.
Before you install a home charger in Florida
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Get quotes from local electricians for Level 2 charger installation in Florida before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Florida's 15.36¢/kWh compares? The guide to charging cost by state ranks every state side by side.