What it costs to charge a 2026 Rivian R1T All-Terrain Tri Max (20in) in Delaware

A 2026 Rivian R1T All-Terrain Tri Max (20in) draws 49.8 kWh per 100 miles per the EPA; at Delaware's 17.74¢/kWh residential rate that's $8.84 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 44.8% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2026 Rivian R1T All-Terrain Tri Max (20in) in Delaware runs about $1,326 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,077 saved annually, at this mileage.

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

$29.09 — that's what Delaware's 17.74¢/kWh rate puts on the 164 kWh a 2026 Rivian R1T All-Terrain Tri Max (20in) needs for its full 329-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T All-Terrain Tri Max (20in) in Delaware ranks 16,188 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T All-Terrain Tri Max (20in) ranks 389 of 400 EV models for raw efficiency, and Delaware ranks 33 of 51 for cheapest residential electricity.

Before you install a home charger in Delaware

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.

Get quotes from local electricians for Level 2 charger installation in Delaware before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T All-Terrain Tri Max (20in)'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.