West Virginia home charging cost for the 2026 Rivian R1S Tri Max (22in)
At West Virginia's residential electricity rate of 15.42¢/kWh, a 2026 Rivian R1S Tri Max (22in) (rated 44.6 kWh per 100 miles by the EPA) costs $6.87 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: 57.1% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Tri Max (22in) costs roughly $1,031 a year to charge at home in West Virginia, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,372 a year.
Filling up the 2026 Rivian R1S Tri Max (22in), in dollars
Covering the 2026 Rivian R1S Tri Max (22in)'s EPA-rated 371-mile range takes about 165.4 kWh, which costs about $25.5 at West Virginia'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 12,744 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Tri Max (22in) alone ranks 356 of 400 models for efficiency; West Virginia alone ranks 24 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 West Virginia before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 15.42¢/kWh, West Virginia sits in the middle of the national range — the guide to why charging cost varies by state shows where.