2027 Rivian R1T Premium (20in): home charging cost in Delaware
In Delaware, home electricity runs 17.74¢/kWh — put a 2027 Rivian R1T Premium (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $7.61, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 52.5% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1T Premium (20in) charged at home in Delaware costs about $1,141/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,262 a year.
Cost of a full charge
A 2027 Rivian R1T Premium (20in) needs roughly 128.6 kWh to reach its EPA-rated 300-mile range, which runs about $22.82 at 17.74¢/kWh in Delaware.
2027 Rivian R1T Premium (20in) in Delaware, ranked
This combination ranks 14,373 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Premium (20in) alone ranks 315 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.
Getting set up to charge a 2027 Rivian R1T Premium (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.
Line up a few Delaware electrician quotes for Level 2 install before you commit either way.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 17.74¢/kWh, Delaware sits in the middle of the national range — the guide to why charging cost varies by state shows where.