Charging a 2027 Rivian R1S Quad (22in UHP) at home in Connecticut

A 2027 Rivian R1S Quad (22in UHP) draws 47.3 kWh per 100 miles per the EPA; at Connecticut's 28.82¢/kWh residential rate that's $13.65 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 14.8% cheaper per mile than gasoline in Connecticut — charging at home costs a little less than gas here.

What a year of driving costs

Connecticut owners putting 15,000 annual miles on a 2027 Rivian R1S Quad (22in UHP) spend about $2,047 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $356 saved annually, at this mileage.

What one full charge costs

At Connecticut's rate, fully covering this 2027 Rivian R1S Quad (22in UHP)'s 338-mile EPA range costs about $46.12 (160 kWh) — the energy the EPA test actually used, not the battery's rated size.

2027 Rivian R1S Quad (22in UHP) in Connecticut, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Quad (22in UHP) in Connecticut ranks 19,733 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad (22in UHP) ranks 371 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. At 28.82¢/kWh, Connecticut sits in the middle of the national range — the guide to why charging cost varies by state shows where.