What it costs to charge a 2027 Rivian R1S Quad (22in) in Delaware

In Delaware, home electricity runs 17.74¢/kWh — put a 2027 Rivian R1S Quad (22in)'s EPA-rated 44.4 kWh/100mi against that and 100 miles costs $7.87, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 50.9% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 Rivian R1S Quad (22in) in Delaware runs about $1,181 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,222 saved annually, at this mileage.

What one full charge costs

$29.44 — that's what Delaware's 17.74¢/kWh rate puts on the 166 kWh a 2027 Rivian R1S Quad (22in) needs for its full 374-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Quad (22in) in Delaware ranks 14,839 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad (22in) ranks 348 of 400 EV models for raw efficiency, and Delaware ranks 33 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 Rivian R1S Quad (22in) 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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Quad (22in)'s cost in Delaware. Curious how Delaware's 17.74¢/kWh compares? The guide to charging cost by state ranks every state side by side.