2026 Rivian R1T All-Terrain Tri Max (20in): home charging cost in Maryland
A 2026 Rivian R1T All-Terrain Tri Max (20in) draws 49.8 kWh per 100 miles per the EPA; at Maryland's 21.27¢/kWh residential rate that's $10.6 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is cheaper than gas here: 33.8% 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 2026 Rivian R1T All-Terrain Tri Max (20in) charged at home in Maryland costs about $1,590/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $813 a year.
What one full charge costs
A 2026 Rivian R1T All-Terrain Tri Max (20in) needs roughly 164 kWh to reach its EPA-rated 329-mile range, which runs about $34.87 at 21.27¢/kWh in Maryland.
Where this ranks
This combination ranks 18,015 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T All-Terrain Tri Max (20in) alone ranks 389 of 400 models for efficiency; Maryland alone ranks 39 of 51 states for electricity price.
Getting set up to charge a 2026 Rivian R1T All-Terrain Tri 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 Maryland before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 21.27¢/kWh, Maryland sits in the middle of the national range — the guide to why charging cost varies by state shows where.