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

In Delaware, home electricity runs 17.74¢/kWh — put a 2026 Rivian R1S Performance Dual Max (22in)'s EPA-rated 39.9 kWh/100mi against that and 100 miles costs $7.09, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 55.8% less than gas per mile, here specifically.

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

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Performance Dual Max (22in) costs roughly $1,063 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 $1,340 a year.

Filling up the 2026 Rivian R1S Performance Dual Max (22in), in dollars

Covering the 2026 Rivian R1S Performance Dual Max (22in)'s EPA-rated 410-mile range takes about 163.7 kWh, which costs about $29.05 at Delaware's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 Rivian R1S Performance Dual Max (22in) in Delaware, ranked

This combination ranks 13,196 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Max (22in) alone ranks 266 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.

Next step: home charger installation

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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Performance Dual Max (22in)'s cost in Delaware. At 17.74¢/kWh, Delaware sits in the middle of the national range — the guide to why charging cost varies by state shows where.