2026 Rivian R1T Performance Dual Large (22in): home charging cost in Delaware
At Delaware's residential electricity rate of 17.74¢/kWh, a 2026 Rivian R1T Performance Dual Large (22in) (rated 39.5 kWh per 100 miles by the EPA) costs $7 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: 56.3% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T Performance Dual Large (22in) charged at home in Delaware costs about $1,050/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,353 a year.
Filling up the 2026 Rivian R1T Performance Dual Large (22in), in dollars
A 2026 Rivian R1T Performance Dual Large (22in) needs roughly 129.9 kWh to reach its EPA-rated 329-mile range, which runs about $23.04 at 17.74¢/kWh in Delaware.
2026 Rivian R1T Performance Dual Large (22in) in Delaware, ranked
This combination ranks 13,058 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Performance Dual Large (22in) alone ranks 253 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.
Next step: home charger installation
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.
Get quotes from local electricians for Level 2 charger installation in Delaware before deciding.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T Performance Dual Large (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.