What it costs to charge a 2026 Ford Mustang Mach-E RWD Extended in Rhode Island
A 2026 Ford Mustang Mach-E RWD Extended draws 30.7 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $9.03 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 43.6% cheaper per mile than gasoline in Rhode Island — charging at home is much cheaper than gas here.
2026 Ford Mustang Mach-E RWD Extended: yearly cost in Rhode Island
Home charging this 2026 Ford Mustang Mach-E RWD Extended in Rhode Island runs about $1,355 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,048 saved annually, at this mileage.
What one full charge costs
$28.9 — that's what Rhode Island's 29.45¢/kWh rate puts on the 98.1 kWh a 2026 Ford Mustang Mach-E RWD Extended needs for its full 320-mile EPA range.
2026 Ford Mustang Mach-E RWD Extended in Rhode Island, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Ford Mustang Mach-E RWD Extended in Rhode Island ranks 16,438 for cost savings versus gas — 1 being the best deal nationally. Separately, the Ford Mustang Mach-E RWD Extended ranks 71 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.
Before you install a home charger in Rhode Island
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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.