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Home Charging vs Public Charging: The True Cost Comparison

We break down the real costs of charging your EV at home versus using public chargers, including smart tariff savings and rapid charger premiums.

By Mark Davies·10 March 2024·5 min read·Updated 1 August 2024

The Cost of Home Charging

Home charging is typically the cheapest way to charge your EV. Based on average UK electricity rates:

  • Standard Rate: At 24p/kWh, charging a 60kWh battery costs approximately £14.40
  • EV Tariff (off-peak): Many energy suppliers offer EV tariffs with overnight rates as low as 7p/kWh, reducing the same charge to just £4.20
  • Solar: If you have solar panels and charge during the day, your cost can be effectively £0

Public Charging Costs

Public charging varies significantly:

  • Slow/Fast (7-22kW): 30-45p/kWh on average
  • Rapid (50kW+): 60-79p/kWh typically
  • Ultra-Rapid (150kW+): 70-85p/kWh

Annual Savings Example

For a driver covering 10,000 miles per year in a car averaging 3.5 miles/kWh:

Charging MethodAnnual Cost
Home (standard rate)£686
Home (EV tariff)£200
Public rapid only£2,057

That's a potential saving of over £1,800 per year by charging at home on an EV tariff!

costssavingssmart-tariffspublic-charging

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