Delaware home charging cost for the 2027 Rivian R1T Quad (22in)
At Delaware's residential electricity rate of 17.74¢/kWh, a 2027 Rivian R1T Quad (22in) (rated 44.4 kWh per 100 miles by the EPA) costs $7.87 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. Charging at home is much cheaper than gas here: 50.9% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1T Quad (22in) costs roughly $1,181 a year to charge at home in Delaware, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,222 a year.
Cost of a full charge
Covering the 2027 Rivian R1T Quad (22in)'s EPA-rated 374-mile range takes about 166 kWh, which costs about $29.44 at Delaware'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 14,841 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Quad (22in) alone ranks 349 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.
Getting set up to charge a 2027 Rivian R1T Quad (22in) 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.
Ask a licensed Delaware electrician to quote the install before this math becomes a real decision.
Where these figures come from
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.