2026 Rivian R1T Tri Max (22in): home charging cost in Rhode Island

In Rhode Island, home electricity runs 29.45¢/kWh — put a 2026 Rivian R1T Tri Max (22in)'s EPA-rated 44.6 kWh/100mi against that and 100 miles costs $13.13, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 18.1% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T Tri Max (22in) charged at home in Rhode Island costs about $1,969/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $434 a year.

What one full charge costs

A 2026 Rivian R1T Tri Max (22in) needs roughly 165.4 kWh to reach its EPA-rated 371-mile range, which runs about $48.7 at 29.45¢/kWh in Rhode Island.

How this compares nationally

This combination ranks 19,588 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Tri Max (22in) alone ranks 357 of 400 models for efficiency; Rhode Island alone ranks 47 of 51 states for electricity price.

Before you install a home charger in Rhode Island

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 Rhode Island 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. Rhode Island has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.