Thousands of electric vehicles are to be hooked up to Britain’s electricity grid to test its ability to cope with power fluctuations caused by a mass roll-out of the technology.

The trial of 3,000 of the vehicles in London and the South of England has been approved by Ofgem, Britain’s energy regulator, and is being led by Uber and Centrica, the owner of British Gas.

The cars will be on the road by the second half of next year and the trial will continue until 2022.  data will be collected about the distance traveled, the cost of trips, as well as the amount of energy consumed and the times of day at which vehicles were charged.

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