2026 Rivian R1S All-Terrain Tri Max (20in): home charging cost in Louisiana

A 2026 Rivian R1S All-Terrain Tri Max (20in) draws 49.8 kWh per 100 miles per the EPA; at Louisiana's 13.51¢/kWh residential rate that's $6.73 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 58% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S All-Terrain Tri Max (20in) charged at home in Louisiana costs about $1,010/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,393 a year.

What one full charge costs

A 2026 Rivian R1S All-Terrain Tri Max (20in) needs roughly 164 kWh to reach its EPA-rated 329-mile range, which runs about $22.15 at 13.51¢/kWh in Louisiana.

2026 Rivian R1S All-Terrain Tri Max (20in) in Louisiana, ranked

This combination ranks 12,237 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Tri Max (20in) alone ranks 388 of 400 models for efficiency; Louisiana alone ranks 8 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S All-Terrain Tri Max (20in) at home

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S All-Terrain Tri Max (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.