Washington home charging cost for the 2026 Rivian R1T All-Terrain Performance Dual Large Plus (20in)
A 2026 Rivian R1T All-Terrain Performance Dual Large Plus (20in) draws 46.9 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $6.73 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: 58% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1T All-Terrain Performance Dual Large Plus (20in) costs roughly $1,009 a year to charge at home in Washington, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,394 a year.
Filling up the 2026 Rivian R1T All-Terrain Performance Dual Large Plus (20in), in dollars
Covering the 2026 Rivian R1T All-Terrain Performance Dual Large Plus (20in)'s EPA-rated 292-mile range takes about 136.9 kWh, which costs about $19.65 at Washington's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
How this compares nationally
This combination ranks 12,262 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T All-Terrain Performance Dual Large Plus (20in) alone ranks 368 of 400 models for efficiency; Washington alone ranks 15 of 51 states for electricity price.
Getting set up to charge a 2026 Rivian R1T All-Terrain Performance Dual Large Plus (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
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T All-Terrain Performance Dual Large Plus (20in)'s cost in Washington. Curious how Washington's 14.35¢/kWh compares? The guide to charging cost by state ranks every state side by side.