Charging a 2026 Rivian R1S Performance Dual Large (22in) at home in Louisiana
In Louisiana, home electricity runs 13.51¢/kWh — put a 2026 Rivian R1S Performance Dual Large (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.
What a year of driving costs
Louisiana owners putting 15,000 annual miles on a 2026 Rivian R1S Performance Dual Large (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 2026 Rivian R1S Performance Dual Large (22in), in dollars
At Louisiana's rate, fully covering this 2026 Rivian R1S Performance Dual Large (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.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Large (22in) in Louisiana ranks 6,132 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Large (22in) ranks 251 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 2026 Rivian R1S Performance Dual Large (22in)'s cost in Louisiana. Louisiana's 13.51¢/kWh rate ranks 8 of 51 states; the state rate guide lays out the full spread.