South Dakota home charging cost for the 2026 Rolls-Royce Spectre (23 inch Wheels)

In South Dakota, home electricity runs 14.33¢/kWh — put a 2026 Rolls-Royce Spectre (23 inch Wheels)'s EPA-rated 47.8 kWh/100mi against that and 100 miles costs $6.86, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 57.2% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rolls-Royce Spectre (23 inch Wheels) costs roughly $1,028 a year to charge at home in South Dakota, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,375 a year.

Cost of a full charge

Covering the 2026 Rolls-Royce Spectre (23 inch Wheels)'s EPA-rated 253-mile range takes about 121 kWh, which costs about $17.34 at South Dakota's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 12,697 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rolls-Royce Spectre (23 inch Wheels) alone ranks 377 of 400 models for efficiency; South Dakota alone ranks 14 of 51 states for electricity price.

Getting set up to charge a 2026 Rolls-Royce Spectre (23 inch Wheels) at home

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Line up a few South Dakota electrician quotes for Level 2 install before you commit either way.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.