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

At Hawaii's residential electricity rate of 45.95¢/kWh, a 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in) (rated 46.9 kWh per 100 miles by the EPA) costs $21.54 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. This model costs more to charge at home than gas would here: 34.5% more than gas per mile here, not less — the arithmetic isn't clamped to always favor charging.

2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in): yearly cost in Hawaii

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in) costs roughly $3,232 a year to charge at home in Hawaii, against roughly $2,403 a year for an equivalent gas car. That's about $829 MORE a year than the gas comparison, not less.

Filling up the 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in), in dollars

Covering the 2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in)'s EPA-rated 292-mile range takes about 136.9 kWh, which costs about $62.91 at Hawaii's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 Rivian R1S All-Terrain Performance Dual Large Plus (20in) in Hawaii, ranked

This combination ranks 20,359 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Performance Dual Large Plus (20in) alone ranks 366 of 400 models for efficiency; Hawaii alone ranks 51 of 51 states for electricity price.

Before you install a home charger in Hawaii

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.

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

Where these figures come from

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.