2026 Rivian R1S Performance Dual Large (20in): home charging cost in Utah

A 2026 Rivian R1S Performance Dual Large (20in) draws 42.9 kWh per 100 miles per the EPA; at Utah's 13.17¢/kWh residential rate that's $5.65 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: 64.8% 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 Performance Dual Large (20in) charged at home in Utah costs about $847/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,556 a year.

Cost of a full charge

A 2026 Rivian R1S Performance Dual Large (20in) needs roughly 128.6 kWh to reach its EPA-rated 300-mile range, which runs about $16.94 at 13.17¢/kWh in Utah.

Where this ranks

This combination ranks 7,686 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large (20in) alone ranks 317 of 400 models for efficiency; Utah alone ranks 4 of 51 states for electricity price.

Next step: home charger installation

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 Utah before deciding.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Performance Dual Large (20in)'s cost in Utah. Utah is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.