What it costs to charge a 2027 Rivian R1T Premium (20in AT) in Washington
At Washington's residential electricity rate of 14.35¢/kWh, a 2027 Rivian R1T Premium (20in AT) (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 Premium (20in AT): yearly cost in Washington
Home charging this 2027 Rivian R1T Premium (20in AT) 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.
Filling up the 2027 Rivian R1T Premium (20in AT), in dollars
$18.4 — that's what Washington's 14.35¢/kWh rate puts on the 128.2 kWh a 2027 Rivian R1T Premium (20in AT) needs for its full 289-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Premium (20in AT) in Washington ranks 10,930 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Premium (20in AT) ranks 343 of 400 EV models for raw efficiency, and Washington ranks 15 of 51 for cheapest residential electricity.
Before you install a home charger in Washington
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
See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1T Premium (20in AT)'s cost in Washington. At 14.35¢/kWh, Washington sits in the middle of the national range — the guide to why charging cost varies by state shows where.