2026 Rivian R1S Performance Dual Max (20in): home charging cost in Connecticut

A 2026 Rivian R1S Performance Dual Max (20in) draws 42 kWh per 100 miles per the EPA; at Connecticut's 28.82¢/kWh residential rate that's $12.1 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is cheaper than gas here: 24.5% 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 Max (20in) charged at home in Connecticut costs about $1,814/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $588 a year.

Filling up the 2026 Rivian R1S Performance Dual Max (20in), in dollars

A 2026 Rivian R1S Performance Dual Max (20in) needs roughly 159.5 kWh to reach its EPA-rated 380-mile range, which runs about $45.97 at 28.82¢/kWh in Connecticut.

Where this ranks

This combination ranks 19,075 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Max (20in) alone ranks 299 of 400 models for efficiency; Connecticut alone ranks 45 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Performance Dual 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.

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

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 28.82¢/kWh, Connecticut sits in the middle of the national range — the guide to why charging cost varies by state shows where.