2027 Rivian R1T Performance (20in AT): home charging cost in Washington
In Washington, home electricity runs 14.35¢/kWh — put a 2027 Rivian R1T Performance (20in AT)'s EPA-rated 49.8 kWh/100mi against that and 100 miles costs $7.15, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 55.4% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1T Performance (20in AT) charged at home in Washington costs about $1,073/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,330 a year.
What one full charge costs
A 2027 Rivian R1T Performance (20in AT) needs roughly 164 kWh to reach its EPA-rated 329-mile range, which runs about $23.53 at 14.35¢/kWh in Washington.
2027 Rivian R1T Performance (20in AT) in Washington, ranked
This combination ranks 13,425 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Performance (20in AT) alone ranks 387 of 400 models for efficiency; Washington alone ranks 15 of 51 states for electricity price.
Getting set up to charge a 2027 Rivian R1T Performance (20in AT) at home
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.
Get quotes from local electricians for Level 2 charger installation in Washington before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 14.35¢/kWh, Washington sits in the middle of the national range — the guide to why charging cost varies by state shows where.