Delaware home charging cost for the 2026 Rivian R1S All-Terrain Performance Dual Max (20in)

At Delaware's residential electricity rate of 17.74¢/kWh, a 2026 Rivian R1S All-Terrain Performance Dual Max (20in) (rated 43.2 kWh per 100 miles by the EPA) costs $7.67 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. Charging at home is much cheaper than gas here: 52.1% less than gas per mile, here specifically.

2026 Rivian R1S All-Terrain Performance Dual Max (20in): yearly cost in Delaware

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Performance Dual Max (20in) costs roughly $1,150 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 $1,253 a year.

Filling up the 2026 Rivian R1S All-Terrain Performance Dual Max (20in), in dollars

Covering the 2026 Rivian R1S All-Terrain Performance Dual Max (20in)'s EPA-rated 370-mile range takes about 159.9 kWh, which costs about $28.37 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 All-Terrain Performance Dual Max (20in) in Delaware, ranked

This combination ranks 14,511 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Performance Dual Max (20in) alone ranks 334 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S All-Terrain Performance Dual Max (20in) at home

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 All-Terrain Performance Dual Max (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.