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

In Connecticut, home electricity runs 28.82¢/kWh — put a 2026 Rivian R1S Performance Dual Large Plus (20in)'s EPA-rated 43.1 kWh/100mi against that and 100 miles costs $12.43, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 22.4% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Performance Dual Large Plus (20in) charged at home in Connecticut costs about $1,864/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $539 a year.

What one full charge costs

A 2026 Rivian R1S Performance Dual Large Plus (20in) needs roughly 136.7 kWh to reach its EPA-rated 317-mile range, which runs about $39.4 at 28.82¢/kWh in Connecticut.

Where this ranks

This combination ranks 19,245 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large Plus (20in) alone ranks 328 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 Large Plus (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. Curious how Connecticut's 28.82¢/kWh compares? The guide to charging cost by state ranks every state side by side.