What it costs to charge a 2027 Rivian R1T Performance (22in) in Delaware
A 2027 Rivian R1T Performance (22in) draws 44.6 kWh per 100 miles per the EPA; at Delaware's 17.74¢/kWh residential rate that's $7.91 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 50.6% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.
2027 Rivian R1T Performance (22in): yearly cost in Delaware
Home charging this 2027 Rivian R1T Performance (22in) in Delaware runs about $1,186 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,217 saved annually, at this mileage.
Cost of a full charge
$29.34 — that's what Delaware's 17.74¢/kWh rate puts on the 165.4 kWh a 2027 Rivian R1T Performance (22in) needs for its full 371-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Performance (22in) in Delaware ranks 14,909 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance (22in) ranks 355 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 R1T Performance (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.
Ask a licensed Delaware 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. Delaware's 17.74¢/kWh rate ranks 33 of 51 states; the state rate guide lays out the full spread.