What it costs to charge a 2027 Rivian R1T Performance (22in) in Hawaii

A 2027 Rivian R1T Performance (22in) draws 44.6 kWh per 100 miles per the EPA; at Hawaii's 45.95¢/kWh residential rate that's $20.48 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Here the math runs the other way: 27.8% more per mile than gasoline, because Hawaii's rate and this model's efficiency combine unfavorably.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Rivian R1T Performance (22in) in Hawaii runs about $3,072 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. At this mileage, that's roughly $669 a year worse than the gas comparison.

Cost of a full charge

$75.98 — that's what Hawaii's 45.95¢/kWh rate puts on the 165.4 kWh a 2027 Rivian R1T Performance (22in) needs for its full 371-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Performance (22in) in Hawaii ranks 20,348 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance (22in) ranks 355 of 400 EV models for raw efficiency, and Hawaii ranks 51 of 51 for cheapest residential electricity.

Before you install a home charger in Hawaii

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Line up a few Hawaii electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. This is one of the combinations where charging costs more than gas — the guide to when that happens explains why the arithmetic can go either way.