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

A 2026 Rivian R1S Dual Max (20in) draws 42 kWh per 100 miles per the EPA; at Louisiana's 13.51¢/kWh residential rate that's $5.67 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 64.6% 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 2026 Rivian R1S Dual Max (20in) in Louisiana runs about $851 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,552 saved annually, at this mileage.

What one full charge costs

$21.55 — that's what Louisiana's 13.51¢/kWh rate puts on the 159.5 kWh a 2026 Rivian R1S Dual Max (20in) needs for its full 380-mile EPA range.

2026 Rivian R1S Dual Max (20in) in Louisiana, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Max (20in) in Louisiana ranks 7,819 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Max (20in) ranks 298 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.

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

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.51¢/kWh, Louisiana sits in the middle of the national range — the guide to why charging cost varies by state shows where.