Texas home charging cost for the 2026 Rivian R1S Tri Max (22in)

In Texas, home electricity runs 16.11¢/kWh — put a 2026 Rivian R1S Tri Max (22in)'s EPA-rated 44.6 kWh/100mi against that and 100 miles costs $7.18, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 55.2% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Tri Max (22in) costs roughly $1,077 a year to charge at home in Texas, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,326 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 $26.64 at Texas'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 13,507 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; Texas alone ranks 28 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Tri Max (22in) 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 Texas 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. Texas's 16.11¢/kWh rate ranks 28 of 51 states; the state rate guide lays out the full spread.