What it costs to charge a 2027 Rivian R1S Premium (20in AT) in Louisiana

In Louisiana, home electricity runs 13.51¢/kWh — put a 2027 Rivian R1S Premium (20in AT)'s EPA-rated 44.4 kWh/100mi against that and 100 miles costs $5.99, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 62.6% cheaper per mile than gasoline in Louisiana — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 Rivian R1S Premium (20in AT) in Louisiana runs about $899 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,504 saved annually, at this mileage.

Filling up the 2027 Rivian R1S Premium (20in AT), in dollars

$17.32 — that's what Louisiana's 13.51¢/kWh rate puts on the 128.2 kWh a 2027 Rivian R1S Premium (20in AT) needs for its full 289-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium (20in AT) in Louisiana ranks 9,393 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium (20in AT) ranks 342 of 400 EV models for raw efficiency, and Louisiana ranks 8 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 Rivian R1S Premium (20in AT) 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.

Line up a few Louisiana electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Louisiana's 13.51¢/kWh rate ranks 8 of 51 states; the state rate guide lays out the full spread.