Florida home charging cost for the 2027 Rivian R1S Premium Long Range (20in AT)

At Florida's residential electricity rate of 15.36¢/kWh, a 2027 Rivian R1S Premium Long Range (20in AT) (rated 43.2 kWh per 100 miles by the EPA) costs $6.64 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: 58.6% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1S Premium Long Range (20in AT) costs roughly $996 a year to charge at home in Florida, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,407 a year.

Cost of a full charge

Covering the 2027 Rivian R1S Premium Long Range (20in AT)'s EPA-rated 370-mile range takes about 159.9 kWh, which costs about $24.57 at Florida's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 11,944 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium Long Range (20in AT) alone ranks 331 of 400 models for efficiency; Florida alone ranks 23 of 51 states for electricity price.

Next step: home charger installation

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.