2026 Rivian R1T Performance Dual Max (20in): home charging cost in Washington
A 2026 Rivian R1T Performance Dual Max (20in) draws 42 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $6.02 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 62.4% less than gas per mile, here specifically.
2026 Rivian R1T Performance Dual Max (20in): yearly cost in Washington
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T Performance Dual Max (20in) charged at home in Washington costs about $903/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,499 a year.
Filling up the 2026 Rivian R1T Performance Dual Max (20in), in dollars
A 2026 Rivian R1T Performance Dual Max (20in) needs roughly 159.5 kWh to reach its EPA-rated 380-mile range, which runs about $22.89 at 14.35¢/kWh in Washington.
How this compares nationally
This combination ranks 9,571 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Performance Dual Max (20in) alone ranks 301 of 400 models for efficiency; Washington alone ranks 15 of 51 states for electricity price.
Getting set up to charge a 2026 Rivian R1T Performance Dual Max (20in) 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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.