Charging a 2026 Rivian R1S Dual Large Plus (20in) at home in Louisiana

A 2026 Rivian R1S Dual Large Plus (20in) draws 43.1 kWh per 100 miles per the EPA; at Louisiana's 13.51¢/kWh residential rate that's $5.83 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 63.6% cheaper per mile than gasoline in Louisiana — charging at home is much cheaper than gas here.

2026 Rivian R1S Dual Large Plus (20in): yearly cost in Louisiana

Louisiana owners putting 15,000 annual miles on a 2026 Rivian R1S Dual Large Plus (20in) spend about $874 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,529 saved annually, at this mileage.

Cost of a full charge

At Louisiana's rate, fully covering this 2026 Rivian R1S Dual Large Plus (20in)'s 317-mile EPA range costs about $18.47 (136.7 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 Dual Large Plus (20in) in Louisiana ranks 8,600 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Large Plus (20in) ranks 327 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.

Get quotes from local electricians for Level 2 charger installation in Louisiana before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Louisiana's 13.51¢/kWh compares? The guide to charging cost by state ranks every state side by side.