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

A 2027 Rivian R1S Premium (20in) draws 42.9 kWh per 100 miles per the EPA; at Louisiana's 13.51¢/kWh residential rate that's $5.79 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 63.8% cheaper per mile than gasoline in Louisiana — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Rivian R1S Premium (20in) in Louisiana runs about $869 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,534 saved annually, at this mileage.

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

$17.38 — that's what Louisiana's 13.51¢/kWh rate puts on the 128.6 kWh a 2027 Rivian R1S Premium (20in) needs for its full 300-mile EPA range.

2027 Rivian R1S Premium (20in) in Louisiana, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium (20in) in Louisiana ranks 8,461 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium (20in) ranks 314 of 400 EV models for raw efficiency, and Louisiana ranks 8 of 51 for cheapest residential electricity.

Before you install a home charger in Louisiana

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

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium (20in)'s cost in Louisiana. Louisiana's 13.51¢/kWh rate ranks 8 of 51 states; the state rate guide lays out the full spread.