EVs / Charging cost / Hawaii / Rivian R1S

Cost to charge a Rivian R1S in Hawaii

$72.66full charge

The R1S Premium Long Range (140 kWh) costs about $72.66 to charge fully at Hawaii's average home rate of 47.18¢/kWh, including about 10% charging loss (154 kWh from the wall). That is $17.72 per 100 miles.

EIA residential average, Hawaii, 2026-08 (latest in this book). No Hawaii gasoline series, so this uses PADD 5 regular, week of Oct 19, 2026.

Rivian R1S specs

By trim · per 100 mi
Premium Long Range410 mi$17.72
Quad374 mi$19.43
Performance371 mi$19.58
Premium329 mi$17.04
Nearby states · per 100 mi
Hawaii47.18¢$17.72

No bordering states.

Questions
Is it cheaper than gas in Hawaii?

At 1,000 miles a month and 30 mpg, home charging costs $177.21 and the gas car costs $185.23. The EV saves $8.02 a month at $5.557/gal. Both miles and mpg are editable on the calculator.

How long does a full charge take?

The listed DC fast-charge time is 10–80% in 38 min (estimate) at up to 220 kW. A full home charge is a different session. This page prices the energy from the wall, not how long a Level 2 charger takes.

What about public fast charging?

This page uses the residential rate. Public fast-charging prices are a separate scenario and are not included.

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