Energy / Charging cost / Washington / Honda Prologue

Cost to charge a Honda Prologue in Washington

$13.75full charge

The Prologue EX (85 kWh) costs about $13.75 to charge fully at Washington's average home rate of 14.71¢/kWh, including ~10% charging loss (93.5 kWh from the wall). That is $4.47 per 100 miles.

EIA residential average, Washington, 2026-07 (latest in this book). EIA weekly retail regular, Washington, week of Oct 5, 2026.

By trim · per 100 mi
EX308 mi$4.47
Touring 2WD308 mi$4.47
Touring AWD294 mi$4.68
EX AWD294 mi$4.68
Elite283 mi$4.86
Nearby states · per 100 mi
Washington14.71¢$4.47
Idaho13.73¢$4.17Oregon15.97¢$4.85
Questions
Is it cheaper than gas in Washington?

At 1,000 miles a month and 30 mpg, home charging costs $44.66 and the gas car costs $180.80. The EV saves $136.14 a month at $5.424/gal. Both miles and mpg are editable on the calculator.

How long does a full charge take?

The listed DC fast-charge time to 80% is 45 minutes at up to 150 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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