Charging a 2026 Rivian R1T Dual Standard (22in) at home in Delaware

A 2026 Rivian R1T Dual Standard (22in) draws 39.9 kWh per 100 miles per the EPA; at Delaware's 17.74¢/kWh residential rate that's $7.08 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 55.8% 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 Standard (22in) spend about $1,061 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,342 saved annually, at this mileage.

Cost of a full charge

At Delaware's rate, fully covering this 2026 Rivian R1T Dual Standard (22in)'s 270-mile EPA range costs about $19.1 (107.7 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 Standard (22in) in Delaware ranks 13,197 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Standard (22in) ranks 263 of 400 EV models for raw efficiency, and Delaware ranks 33 of 51 for cheapest residential electricity.

Next step: home charger installation

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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 17.74¢/kWh, Delaware sits in the middle of the national range — the guide to why charging cost varies by state shows where.