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.