2026 Rivian R1T All-Terrain Performance Dual Large (20in): home charging cost in Delaware

At Delaware's residential electricity rate of 17.74¢/kWh, a 2026 Rivian R1T All-Terrain Performance Dual Large (20in) (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.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T All-Terrain Performance Dual Large (20in) charged at home in Delaware costs about $1,180/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,222 a year.

What one full charge costs

A 2026 Rivian R1T All-Terrain Performance Dual Large (20in) needs roughly 128.2 kWh to reach its EPA-rated 289-mile range, which runs about $22.74 at 17.74¢/kWh in Delaware.

Where this ranks

This combination ranks 14,847 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T All-Terrain Performance Dual Large (20in) alone ranks 347 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.

Before you install a home charger in Delaware

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.

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

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Delaware's 17.74¢/kWh rate ranks 33 of 51 states; the state rate guide lays out the full spread.