Washington home charging cost for the 2027 Rivian R1T Performance (20in)

A 2027 Rivian R1T Performance (20in) draws 47 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $6.74 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: 57.9% less than gas per mile, here specifically.

2027 Rivian R1T Performance (20in): yearly cost in Washington

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1T Performance (20in) costs roughly $1,011 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 $1,392 a year.

Cost of a full charge

Covering the 2027 Rivian R1T Performance (20in)'s EPA-rated 348-mile range takes about 163.5 kWh, which costs about $23.46 at Washington's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 12,324 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Performance (20in) alone ranks 370 of 400 models for efficiency; Washington alone ranks 15 of 51 states for electricity price.

Before you install a home charger in Washington

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.

Ask a licensed Washington electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Washington's 14.35¢/kWh compares? The guide to charging cost by state ranks every state side by side.