Charging a 2027 Rivian R1S Premium (22in) at home in Louisiana

In Louisiana, home electricity runs 13.51¢/kWh — put a 2027 Rivian R1S Premium (22in)'s EPA-rated 39.5 kWh/100mi against that and 100 miles costs $5.33, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 66.7% cheaper per mile than gasoline in Louisiana — charging at home costs a fraction of what gas would here.

2027 Rivian R1S Premium (22in): yearly cost in Louisiana

Louisiana owners putting 15,000 annual miles on a 2027 Rivian R1S Premium (22in) spend about $800 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,603 saved annually, at this mileage.

Filling up the 2027 Rivian R1S Premium (22in), in dollars

At Louisiana's rate, fully covering this 2027 Rivian R1S Premium (22in)'s 329-mile EPA range costs about $17.54 (129.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

2027 Rivian R1S Premium (22in) in Louisiana, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium (22in) in Louisiana ranks 6,130 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium (22in) ranks 249 of 400 EV models for raw efficiency, and Louisiana ranks 8 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

Ask a licensed Louisiana electrician to quote the install before this math becomes a real decision.

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.