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Tesla Charging Cost Calculator

Calculate EV charging costs and savings

Tesla Charging Cost Calculator

Battery: 55 kWh • Efficiency: 250 Wh/mi

Source: EIA Electric Power Monthly (April 2025)

US average: 37 miles/day

National average: $3.25/gal (2025)

US fleet average: 25 MPG

🏠 Home Charging

  • Level 1: Standard 120V outlet (3-5 miles/hour, 75% efficient)
  • Level 2: 240V home charger (25-40 miles/hour, 90% efficient)
  • Cost: Your home electricity rate (varies by state: ¢-¢/kWh)
  • Best for: Overnight charging, daily commuting

⚡ Supercharging

  • Speed: 200+ miles in 15 minutes (peak 250kW)
  • Cost: $0.19-$0.58 per kWh (location-dependent)
  • Efficiency: 92% (minimal losses)
  • Best for: Road trips, quick top-ups
  • Idle fees: $0.50-$1.00/min when session complete

💰 Money-Saving Tips

  • Time-of-use: Charge during off-peak hours (can save 50%+)
  • EV plans: Many utilities offer special EV rates
  • Solar: Install solar panels for ~$0.06/kWh charging
  • Memberships: EVgo/EA memberships save $0.06-0.12/kWh
  • Efficiency: Precondition while plugged in

📊 Data Sources & Methodology

  • Electricity Rates: EIA Electric Power Monthly (April 2025)
  • Tesla Specs: EPA efficiency ratings (2024-2025 models)
  • Charging Efficiency: Real-world measurements & studies
  • Network Pricing: Current published rates (2025)
  • Level 1 Efficiency: 75% (high conversion losses)
  • Level 2 Efficiency: 90% (optimal home charging)
  • DC Fast Efficiency: 92% (minimal conversion losses)
  • CO₂ Factor: 19.6 lbs per gallon gasoline