Connecticut home charging cost for the 2026 Rivian R1S Dual Standard (22in)

In Connecticut, home electricity runs 28.82¢/kWh — put a 2026 Rivian R1S Dual Standard (22in)'s EPA-rated 39.9 kWh/100mi against that and 100 miles costs $11.49, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 28.2% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Dual Standard (22in) costs roughly $1,724 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 $679 a year.

Cost of a full charge

Covering the 2026 Rivian R1S Dual Standard (22in)'s EPA-rated 270-mile range takes about 107.7 kWh, which costs about $31.04 at Connecticut's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 18,657 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Standard (22in) alone ranks 262 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. Curious how Connecticut's 28.82¢/kWh compares? The guide to charging cost by state ranks every state side by side.