What it costs to charge a 2026 Honda Prologue AWD in Rhode Island

A 2026 Honda Prologue AWD draws 34.1 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $10.03 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 37.4% cheaper per mile than gasoline in Rhode Island — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Honda Prologue AWD in Rhode Island runs about $1,505 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $898 saved annually, at this mileage.

What one full charge costs

$29.5 — that's what Rhode Island's 29.45¢/kWh rate puts on the 100.2 kWh a 2026 Honda Prologue AWD needs for its full 294-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Honda Prologue AWD in Rhode Island ranks 17,448 for cost savings versus gas — 1 being the best deal nationally. Separately, the Honda Prologue AWD ranks 127 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

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

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Rhode Island has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.