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

In Connecticut, home electricity runs 28.82¢/kWh — put a 2026 Rivian R1S Dual Standard (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $12.35, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 22.9% 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 Dual Standard (20in) charged at home in Connecticut costs about $1,853/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $550 a year.

Cost of a full charge

A 2026 Rivian R1S Dual Standard (20in) needs roughly 110.6 kWh to reach its EPA-rated 258-mile range, which runs about $31.87 at 28.82¢/kWh in Connecticut.

2026 Rivian R1S Dual Standard (20in) in Connecticut, ranked

This combination ranks 19,201 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Standard (20in) alone ranks 312 of 400 models for efficiency; Connecticut alone ranks 45 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Dual Standard (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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Dual Standard (20in)'s cost in Connecticut. At 28.82¢/kWh, Connecticut sits in the middle of the national range — the guide to why charging cost varies by state shows where.