Charging a 2027 Rivian R1S Quad (22in UHP) at home in Louisiana
In Louisiana, home electricity runs 13.51¢/kWh — put a 2027 Rivian R1S Quad (22in UHP)'s EPA-rated 47.3 kWh/100mi against that and 100 miles costs $6.4, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 60.1% cheaper per mile than gasoline in Louisiana — charging at home is much cheaper than gas here.
What a year of driving costs
Louisiana owners putting 15,000 annual miles on a 2027 Rivian R1S Quad (22in UHP) spend about $959 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,443 saved annually, at this mileage.
What one full charge costs
At Louisiana's rate, fully covering this 2027 Rivian R1S Quad (22in UHP)'s 338-mile EPA range costs about $21.62 (160 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Quad (22in UHP) in Louisiana ranks 11,039 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad (22in UHP) ranks 371 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 Quad (22in UHP) 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.
Get quotes from local electricians for Level 2 charger installation in Louisiana before deciding.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Louisiana's 13.51¢/kWh rate ranks 8 of 51 states; the state rate guide lays out the full spread.