Delaware home charging cost for the 2026 Rivian R1S Dual Large (22in)

In Delaware, home electricity runs 17.74¢/kWh — put a 2026 Rivian R1S Dual Large (22in)'s EPA-rated 39.5 kWh/100mi against that and 100 miles costs $7, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 56.3% less than gas per mile, here specifically.

2026 Rivian R1S Dual Large (22in): yearly cost in Delaware

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Dual Large (22in) costs roughly $1,050 a year to charge at home in Delaware, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,353 a year.

Cost of a full charge

Covering the 2026 Rivian R1S Dual Large (22in)'s EPA-rated 329-mile range takes about 129.9 kWh, which costs about $23.04 at Delaware's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 13,055 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Large (22in) alone ranks 250 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.