The man is reducing his energy bill to nearly £0 thanks to his car – with the price cap set to reach £3,000

An EV driver has managed to shave hundreds of pounds off his energy bill by using his car like a giant battery and selling electricity back to the National Grid

Paul Kershaw
Paul managed to sell electricity back to the National Grid – for a profit

A savvy electric car owner has reduced his electric bills to almost zero – by selling electricity back to the National Grid.

With energy bills soaring, expected to reach nearly £3,000 in October, many households are trying to find ways to reduce their energy bills.

One driver, Paul Kershaw, 51, did this in the most unusual way – by charging his electric car with cheap off-peak energy and then selling it back to the National Grid for a profit during peak periods.

In this way, Paul was able to earn enough money to cover the cost of rising energy bills.

Paul, who lives near Cambridge, said: “It has reduced my energy bills to almost zero.

“It takes away a lot of the concern that bills could go up by 300%. Last year I paid £7.50 a month for electricity.”

Paul achieved the savings by participating in a “Vehicle to Grid” trial between energy company Ovo and software company Kaluza.

Ovo put a special charging station on the outside of Paul’s house


Paul Kershaw)

The scheme works because electric cars are basically “a giant battery on wheels,” as Paul puts it – and can store electricity.

Paul doesn’t use his car much, which means his vehicle’s battery stores electricity he doesn’t need.

“I only drive a few miles a day and the rest of the time it just sits in the driveway and depreciates,” Paul explained.

When Paul plugs his Nissan Leaf in for off-peak charging, the Kaluza app calculates exactly how much energy he needs for his car and how much he could sell back to the grid at peak times.

That power is then sold back to the National Grid when it is most needed – and when the power is most expensive.

Paul now charges his car when electricity is cheap and then sells back some of the electricity when it is expensive


Paul Kershaw)

Paul averaged around £93 a month to charge his car – but made £164 by selling electricity back to the grid.

But not every electric car driver will be able to do the same as Paul – at least not immediately.

In order to sell the electricity from electric cars back to the grid, a special charging box has to be installed at your home or where you park your car.

Ovo did this for Paul for free and let him keep the box.

Otherwise, however, these boxes cost between £750 and several thousand pounds – although costs are expected to come down as the technology becomes more popular.

Another requirement is that your electric car must have some type of charger called CHAdeMO – currently only common in Japanese electric cars.

Around 330 drivers took part in the two-year trial.

Paul has also installed solar panels on his property – and has sometimes made more than £200 a month by selling electricity from these too.

Last week, The Mirror reported that grants for new electric cars worth up to £1,500 have been scrapped.

Drivers could previously charge up to £1,500 for the cost of a plug-in car costing less than £32,000.

The automotive industry and automotive groups criticized the decision.

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Fry Electronics Team

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