2026 Rivian R1T All-Terrain Dual Large (20in), HI Charging…

What it costs to charge a 2026 Rivian R1T All-Terrain Dual Large (20in) in Hawaii

In Hawaii, home electricity runs 45.95¢/kWh, put a 2026 Rivian R1T All-Terrain Dual Large (20in)'s EPA-rated 44.4 kWh/100mi against that and 100 miles costs $20.38, versus $16.02 for a gas car averaging 25.5 mpg. Here the math runs the other way: 27.2% 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 2026 Rivian R1T All-Terrain Dual Large (20in) in Hawaii runs about $3,058 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. At this mileage, that's roughly $655 a year worse than the gas comparison.

Cost of a full charge

$58.91, that's what Hawaii's 45.95¢/kWh rate puts on the 128.2 kWh a 2026 Rivian R1T All-Terrain Dual Large (20in) needs for its full 289-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T All-Terrain Dual Large (20in) in Hawaii ranks 20,337 for cost savings versus gas, 1 being the best deal nationally. Separately, the Rivian R1T All-Terrain Dual Large (20in) ranks 346 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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T All-Terrain Dual Large (20in)'s cost in Hawaii. 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.