South Carolina home charging cost for the 2026 Rivian R1S Performance Dual Large Plus (22in)

In South Carolina, home electricity runs 16.04¢/kWh — put a 2026 Rivian R1S Performance Dual Large Plus (22in)'s EPA-rated 40.9 kWh/100mi against that and 100 miles costs $6.56, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 59% less than gas per mile, here specifically.

2026 Rivian R1S Performance Dual Large Plus (22in): yearly cost in South Carolina

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Performance Dual Large Plus (22in) costs roughly $984 a year to charge at home in South Carolina, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,419 a year.

What one full charge costs

Covering the 2026 Rivian R1S Performance Dual Large Plus (22in)'s EPA-rated 330-mile range takes about 135 kWh, which costs about $21.65 at South Carolina'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 11,704 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large Plus (22in) alone ranks 279 of 400 models for efficiency; South Carolina alone ranks 27 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.

Line up a few South Carolina 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 16.04¢/kWh, South Carolina sits in the middle of the national range — the guide to why charging cost varies by state shows where.