2026 Rivian R1S All-Terrain Performance Dual Max (20in),…

Hawaii home charging cost for the 2026 Rivian R1S All-Terrain Performance Dual Max (20in)

A 2026 Rivian R1S All-Terrain Performance Dual Max (20in) draws 43.2 kWh per 100 miles per the EPA; at Hawaii's 45.95¢/kWh residential rate that's $19.86 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. This model costs more to charge at home than gas would here: 24% more than gas per mile here, not less, the arithmetic isn't clamped to always favor charging.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Performance Dual Max (20in) costs roughly $2,979 a year to charge at home in Hawaii, against roughly $2,403 a year for an equivalent gas car. That's about $576 MORE a year than the gas comparison, not less.

Cost of a full charge

Covering the 2026 Rivian R1S All-Terrain Performance Dual Max (20in)'s EPA-rated 370-mile range takes about 159.9 kWh, which costs about $73.49 at Hawaii's residential rate, figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 20,324 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Performance Dual Max (20in) alone ranks 334 of 400 models for efficiency; Hawaii alone ranks 51 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S All-Terrain Performance Dual Max (20in) at home

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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S All-Terrain Performance Dual Max (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.