Charging a 2026 Rivian R1T Dual Large (20in) at home in Delaware

At Delaware's residential electricity rate of 17.74¢/kWh, a 2026 Rivian R1T Dual Large (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $7.61 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. That works out to 52.5% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Delaware owners putting 15,000 annual miles on a 2026 Rivian R1T Dual Large (20in) spend about $1,141 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,262 saved annually, at this mileage.

Filling up the 2026 Rivian R1T Dual Large (20in), in dollars

At Delaware's rate, fully covering this 2026 Rivian R1T Dual Large (20in)'s 300-mile EPA range costs about $22.82 (128.6 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Large (20in) in Delaware ranks 14,377 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Large (20in) ranks 318 of 400 EV models for raw efficiency, and Delaware ranks 33 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1T Dual Large (20in) at home

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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T Dual Large (20in)'s cost in Delaware. Delaware's 17.74¢/kWh rate ranks 33 of 51 states; the state rate guide lays out the full spread.