What it costs to charge a 2026 Rivian R1T Dual Large (22in) in Hawaii

In Hawaii, home electricity runs 45.95¢/kWh — put a 2026 Rivian R1T Dual Large (22in)'s EPA-rated 39.5 kWh/100mi against that and 100 miles costs $18.14, versus $16.02 for a gas car averaging 25.5 mpg. Here the math runs the other way: 13.2% more per mile than gasoline, because Hawaii's rate and this model's efficiency combine unfavorably.

2026 Rivian R1T Dual Large (22in): yearly cost in Hawaii

Home charging this 2026 Rivian R1T Dual Large (22in) in Hawaii runs about $2,721 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. At this mileage, that's roughly $318 a year worse than the gas comparison.

What one full charge costs

$59.67 — that's what Hawaii's 45.95¢/kWh rate puts on the 129.9 kWh a 2026 Rivian R1T Dual Large (22in) needs for its full 329-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Large (22in) in Hawaii ranks 20,236 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Large (22in) ranks 252 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.

Get quotes from local electricians for Level 2 charger installation in Hawaii before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.