What it costs to charge a 2026 Rivian R1T Tri Max (22in) in South Carolina

A 2026 Rivian R1T Tri Max (22in) draws 44.6 kWh per 100 miles per the EPA; at South Carolina's 16.04¢/kWh residential rate that's $7.15 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 55.4% cheaper per mile than gasoline in South Carolina — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Rivian R1T Tri Max (22in) in South Carolina runs about $1,072 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,331 saved annually, at this mileage.

What one full charge costs

$26.52 — that's what South Carolina's 16.04¢/kWh rate puts on the 165.4 kWh a 2026 Rivian R1T Tri Max (22in) needs for its full 371-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Tri Max (22in) in South Carolina ranks 13,406 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Tri Max (22in) ranks 357 of 400 EV models for raw efficiency, and South Carolina ranks 27 of 51 for cheapest residential electricity.

Before you install a home charger in South Carolina

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Line up a few South Carolina electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 16.04¢/kWh, South Carolina sits in the middle of the national range — the guide to why charging cost varies by state shows where.