2026 Mercedes-Benz EQS 450 Plus, RI Charging Cost

Charging a 2026 Mercedes-Benz EQS 450 Plus at home in Rhode Island

At Rhode Island's residential electricity rate of 29.45¢/kWh, a 2026 Mercedes-Benz EQS 450 Plus (rated 34 kWh per 100 miles by the EPA) costs $10.02 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 37.5% cheaper per mile than gasoline in Rhode Island, charging at home is cheaper than gas here.

What a year of driving costs

Rhode Island owners putting 15,000 annual miles on a 2026 Mercedes-Benz EQS 450 Plus spend about $1,503 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $900 saved annually, at this mileage.

Filling up the 2026 Mercedes-Benz EQS 450 Plus, in dollars

At Rhode Island's rate, fully covering this 2026 Mercedes-Benz EQS 450 Plus's 390-mile EPA range costs about $39.07 (132.6 kWh), the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 450 Plus in Rhode Island ranks 17,436 for cost savings versus gas, 1 being the best deal nationally. Separately, the Mercedes-Benz EQS 450 Plus ranks 122 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Mercedes-Benz EQS 450 Plus at home

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.

Get quotes from local electricians for Level 2 charger installation in Rhode Island before deciding.

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.