2026 Rivian R1S Tri Max (22in): home charging cost in Louisiana

A 2026 Rivian R1S Tri Max (22in) draws 44.6 kWh per 100 miles per the EPA; at Louisiana's 13.51¢/kWh residential rate that's $6.02 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: 62.4% less than gas per mile, here specifically.

2026 Rivian R1S Tri Max (22in): yearly cost in Louisiana

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Tri Max (22in) charged at home in Louisiana costs about $903/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,500 a year.

Cost of a full charge

A 2026 Rivian R1S Tri Max (22in) needs roughly 165.4 kWh to reach its EPA-rated 371-mile range, which runs about $22.34 at 13.51¢/kWh in Louisiana.

Where this ranks

This combination ranks 9,535 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Tri Max (22in) alone ranks 356 of 400 models for efficiency; Louisiana alone ranks 8 of 51 states for electricity price.

Before you install a home charger in Louisiana

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.

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

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Louisiana's 13.51¢/kWh rate ranks 8 of 51 states; the state rate guide lays out the full spread.