Connecticut home charging cost for the 2026 Rivian R1S Quad Max (20in AT)

In Connecticut, home electricity runs 28.82¢/kWh — put a 2026 Rivian R1S Quad Max (20in AT)'s EPA-rated 50.1 kWh/100mi against that and 100 miles costs $14.44, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a little less than gas here: 9.9% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Quad Max (20in AT) costs roughly $2,166 a year to charge at home in Connecticut, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $237 a year.

What one full charge costs

Covering the 2026 Rivian R1S Quad Max (20in AT)'s EPA-rated 325-mile range takes about 162.8 kWh, which costs about $46.93 at Connecticut's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 19,909 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Quad Max (20in AT) alone ranks 392 of 400 models for efficiency; Connecticut alone ranks 45 of 51 states for electricity price.

Before you install a home charger in Connecticut

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.

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

Where these figures come from

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.