What it costs to charge a 2027 Rivian R1T Quad (22in) in Washington
At Washington's residential electricity rate of 14.35¢/kWh, a 2027 Rivian R1T Quad (22in) (rated 44.4 kWh per 100 miles by the EPA) costs $6.37 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 60.3% cheaper per mile than gasoline in Washington — charging at home is much cheaper than gas here.
2027 Rivian R1T Quad (22in): yearly cost in Washington
Home charging this 2027 Rivian R1T Quad (22in) in Washington runs about $955 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,448 saved annually, at this mileage.
What one full charge costs
$23.81 — that's what Washington's 14.35¢/kWh rate puts on the 166 kWh a 2027 Rivian R1T Quad (22in) needs for its full 374-mile EPA range.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Quad (22in) in Washington ranks 10,931 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Quad (22in) ranks 349 of 400 EV models for raw efficiency, and Washington ranks 15 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.
Get quotes from local electricians for Level 2 charger installation in Washington before deciding.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.