What it costs to charge a 2026 Rivian R1S Performance Dual Large (20in) in Louisiana

In Louisiana, home electricity runs 13.51¢/kWh — put a 2026 Rivian R1S Performance Dual Large (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $5.79, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 63.8% 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 2026 Rivian R1S Performance Dual Large (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.

What one full charge costs

$17.38 — that's what Louisiana's 13.51¢/kWh rate puts on the 128.6 kWh a 2026 Rivian R1S Performance Dual Large (20in) needs for its full 300-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Large (20in) in Louisiana ranks 8,466 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Large (20in) ranks 317 of 400 EV models for raw efficiency, and Louisiana ranks 8 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Performance Dual Large (20in) 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.

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

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 (20in)'s cost in Louisiana. At 13.51¢/kWh, Louisiana sits in the middle of the national range — the guide to why charging cost varies by state shows where.