Charging a 2026 Rivian R1S Quad Max (20in AT) at home in Kentucky

At Kentucky's residential electricity rate of 14.37¢/kWh, a 2026 Rivian R1S Quad Max (20in AT) (rated 50.1 kWh per 100 miles by the EPA) costs $7.2 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. That works out to 55.1% cheaper per mile than gasoline in Kentucky — charging at home is much cheaper than gas here.

What a year of driving costs

Kentucky owners putting 15,000 annual miles on a 2026 Rivian R1S Quad Max (20in AT) spend about $1,080 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,323 saved annually, at this mileage.

Filling up the 2026 Rivian R1S Quad Max (20in AT), in dollars

At Kentucky's rate, fully covering this 2026 Rivian R1S Quad Max (20in AT)'s 325-mile EPA range costs about $23.4 (162.8 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 R1S Quad Max (20in AT) in Kentucky ranks 13,539 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad Max (20in AT) ranks 392 of 400 EV models for raw efficiency, and Kentucky ranks 16 of 51 for cheapest residential electricity.

Next step: home charger installation

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 Kentucky 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. Curious how Kentucky's 14.37¢/kWh compares? The guide to charging cost by state ranks every state side by side.