Rivian R1S Charging Cost Calculator
Calculate how much it costs to charge a 2026 Rivian R1S at home and compare annual fuel costs vs gasoline.
🔌 Rivian R1S Charging Calculator
Rivian R1S Charging Guide (2026)
The 2026 Rivian R1S features a 135 kWh battery pack with an EPA-estimated range of 352 miles at 42 kWh per 100 miles.
NEC Article 625 — EV Charger Wiring
NEC 625.40 — Branch Circuit: EV charging is a continuous load (3+ hours). The Rivian R1S at 11.5 kW/240V needs a 60A dedicated circuit (48A × 125% = 60A).
NEC 625.54 — GFCI Protection: All EV charging equipment requires ground-fault protection. Verify conductor sizing with our Wire Size Calculator.
Wire sizing: A 100A circuit with 4 AWG copper. For runs over 75 feet, upsize one gauge. Check with our Voltage Drop Calculator.
Disclaimer: Estimates based on manufacturer specs. Real-world efficiency varies with driving conditions, temperature, and charging habits.