Charging a 2026 Rivian R1S Performance Dual Large (22in) at home in Connecticut

A 2026 Rivian R1S Performance Dual Large (22in) draws 39.5 kWh per 100 miles per the EPA; at Connecticut's 28.82¢/kWh residential rate that's $11.38 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 29% cheaper per mile than gasoline in Connecticut — charging at home is cheaper than gas here.

2026 Rivian R1S Performance Dual Large (22in): yearly cost in Connecticut

Connecticut owners putting 15,000 annual miles on a 2026 Rivian R1S Performance Dual Large (22in) spend about $1,706 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $697 saved annually, at this mileage.

Cost of a full charge

At Connecticut's rate, fully covering this 2026 Rivian R1S Performance Dual Large (22in)'s 329-mile EPA range costs about $37.43 (129.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Large (22in) in Connecticut ranks 18,584 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Large (22in) ranks 251 of 400 EV models for raw efficiency, and Connecticut ranks 45 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Line up a few Connecticut electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Connecticut's 28.82¢/kWh compares? The guide to charging cost by state ranks every state side by side.