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Power cut threat from just six electric cars

Words: Huw Morris
Electric car

Just six electric cars could cause local power cuts if they are plugged in to charge on the same street, a think tank has warned.

Ministers must intervene to prevent a “disaster” of “rising bills, blackout risk and angry consumers” because the UK’s energy networks are not ready for the growing number of electric cars and solar panels, according to the Green Alliance.

It warned that uncontrolled charging of electric vehicles could cause “brownout” - where voltage drops and some household appliances stop working - at evening peaks in half of the UK by 2023.

The think tank warned that “even now’ as few as six closely located electric cars charging together at peak time could lead to local brownouts.

Around 100,000 electric cars are on the UK’s roads and this forecast to rise to 4.6 million by 2025.

There are more than 11,000 public charging points but many drivers install their own points at home.


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