What it costs to charge a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) in Connecticut
At Connecticut's residential electricity rate of 28.82¢/kWh, a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) (rated 46.9 kWh per 100 miles by the EPA) costs $13.51 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 15.6% cheaper per mile than gasoline in Connecticut — charging at home is cheaper than gas here.
What a year of driving costs
Home charging this 2026 Rivian R1S All-Terrain Dual Large Plus (20in) in Connecticut runs about $2,027 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $376 saved annually, at this mileage.
Cost of a full charge
$39.46 — that's what Connecticut's 28.82¢/kWh rate puts on the 136.9 kWh a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) needs for its full 292-mile EPA range.
2026 Rivian R1S All-Terrain Dual Large Plus (20in) in Connecticut, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) in Connecticut ranks 19,709 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S All-Terrain Dual Large Plus (20in) ranks 365 of 400 EV models for raw efficiency, and Connecticut ranks 45 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) at home
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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 28.82¢/kWh, Connecticut sits in the middle of the national range — the guide to why charging cost varies by state shows where.