2027 Rivian R1S Performance (20in AT): home charging cost in Hawaii

A 2027 Rivian R1S Performance (20in AT) draws 49.8 kWh per 100 miles per the EPA; at Hawaii's 45.95¢/kWh residential rate that's $22.9 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: 42.9% more than gas per mile here, not less — the arithmetic isn't clamped to always favor charging.

2027 Rivian R1S Performance (20in AT): yearly cost in Hawaii

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1S Performance (20in AT) charged at home in Hawaii costs about $3,435/year in electricity, against about $2,403/year for the gas-car comparison. That's about $1,032 MORE a year than the gas comparison, not less.

Filling up the 2027 Rivian R1S Performance (20in AT), in dollars

A 2027 Rivian R1S Performance (20in AT) needs roughly 164 kWh to reach its EPA-rated 329-mile range, which runs about $75.34 at 45.95¢/kWh in Hawaii.

Where this ranks

This combination ranks 20,385 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance (20in AT) alone ranks 386 of 400 models for efficiency; Hawaii alone ranks 51 of 51 states for electricity price.

Getting set up to charge a 2027 Rivian R1S Performance (20in AT) 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 2027 Rivian R1S Performance (20in AT)'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.