Charging a 2026 Rivian R1T Performance Dual Max (20in) at home in Missouri

In Missouri, home electricity runs 13.45¢/kWh — put a 2026 Rivian R1T Performance Dual Max (20in)'s EPA-rated 42 kWh/100mi against that and 100 miles costs $5.65, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 64.8% cheaper per mile than gasoline in Missouri — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Missouri owners putting 15,000 annual miles on a 2026 Rivian R1T Performance Dual Max (20in) spend about $847 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,556 saved annually, at this mileage.

What one full charge costs

At Missouri's rate, fully covering this 2026 Rivian R1T Performance Dual Max (20in)'s 380-mile EPA range costs about $21.45 (159.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Performance Dual Max (20in) in Missouri ranks 7,624 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance Dual Max (20in) ranks 301 of 400 EV models for raw efficiency, and Missouri ranks 7 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1T Performance Dual Max (20in) at home

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.

Ask a licensed Missouri electrician to quote the install before this math becomes a real decision.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.45¢/kWh, Missouri sits in the middle of the national range — the guide to why charging cost varies by state shows where.