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

A 2026 Rivian R1T All-Terrain Dual Max (20in) draws 43.2 kWh per 100 miles per the EPA; at Delaware's 17.74¢/kWh residential rate that's $7.67 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 52.1% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T All-Terrain Dual Max (20in) charged at home in Delaware costs about $1,150/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,253 a year.

Filling up the 2026 Rivian R1T All-Terrain Dual Max (20in), in dollars

A 2026 Rivian R1T All-Terrain Dual Max (20in) needs roughly 159.9 kWh to reach its EPA-rated 370-mile range, which runs about $28.37 at 17.74¢/kWh in Delaware.

How this compares nationally

This combination ranks 14,512 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T All-Terrain Dual Max (20in) alone ranks 335 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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Delaware's 17.74¢/kWh compares? The guide to charging cost by state ranks every state side by side.