Views: 10 Author: Site Editor Publish Time: 2024-11-21 Origin: Site
For a Tesla Model 3 Standard Range (54 kWh battery), charging from 20% to 80%, with a home electricity rate of $0.15/kWh and 90% charging efficiency:
Calculate Energy Required:
Energy Needed = Battery Capacity × (Target SOC - Current SOC)
= 54 × (80% - 20%)
= 54 × 0.6
= 32.4 kWh
Account for Efficiency Loss:
Actual Energy Required = 32.4 ÷ 0.9 (90% efficiency)
= 36 kWh
Calculate Charging Cost:
Cost = 36 × $0.15
= $5.40
2. Public Charging Cost Calculation: Model Y
For a Tesla Model Y Long Range (75 kWh battery), charging from 10% to 90%, at a Tesla Supercharger with an electricity rate of $0.30/kWh and 85% charging efficiency:
Calculate Energy Required:
Energy Needed = Battery Capacity × (Target SOC - Current SOC)
= 75 × (90% - 10%)
= 75 × 0.8
= 60 kWh
Account for Efficiency Loss:
Actual Energy Required = 60 ÷ 0.85 (85% efficiency)
= 70.6 kWh
Calculate Charging Cost:
Cost = 70.6 × $0.30
= $21.18
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