Charging a 2027 Rivian R1T Performance (20in AT) at home in Delaware

A 2027 Rivian R1T Performance (20in AT) draws 49.8 kWh per 100 miles per the EPA; at Delaware's 17.74¢/kWh residential rate that's $8.84 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 44.8% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.

What a year of driving costs

Delaware owners putting 15,000 annual miles on a 2027 Rivian R1T Performance (20in AT) spend about $1,326 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,077 saved annually, at this mileage.

Filling up the 2027 Rivian R1T Performance (20in AT), in dollars

At Delaware's rate, fully covering this 2027 Rivian R1T Performance (20in AT)'s 329-mile EPA range costs about $29.09 (164 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Performance (20in AT) in Delaware ranks 16,186 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance (20in AT) ranks 387 of 400 EV models for raw efficiency, and Delaware ranks 33 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 Delaware electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1T Performance (20in AT)'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.