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How smart charging will help the network

Vehicle to grid charging, soon to be trialled as part of the Electric Nation project, will provide further help

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The main issue around grid capacity relates to clusters of EVs charging on local electricity network
The main issue around grid capacity relates to clusters of EVs charging on local electricity network

The UK’s Electric Nation project will reveal its initial findings on the first day of the Cenex Low Carbon Vehicle event (LCV2017), which begins today at Millbrook. It will show that smart charging can provide a key solution to the challenge of the demand from increasing numbers of electric vehicles (EVs) on electricity networks.


Recent reports in response to the government’s announcement about the ban of petrol and diesel cars by 2040 have raised concerns about the ability of the UK’s electricity networks to provide sufficient power for increasing numbers of EVs.


National Grid’s Future Energy Scenarios (FES) included a number of scenarios which estimated the additional system-wide peak electricity demand from electric vehicles would range from 6 to 18GW in 2050.


A lower increase (6 GW) is predicted when the use of smart charging and time of use tariffs is widespread. Further reductions in peak electricity demand are also likely to be possible by vehicle-to-grid charging (V2G); Electric Nation will be incorporating V2G trials into the project.


Electric Nation is investigating the benefits which smart charging could provide for local electricity networks, where additional demand from local clusters of EVs could require reinforcement of these networks.


Its initial findings to be presented at LCV2017 are based on almost 70,000 hours of charging data, and show that 48 per cent of plug-in events begin between 5pm and midnight. On average, these vehicles are plugged in for 12 hours, but are only charging for just over two hours. This suggests that there is likely to be sufficient flexibility to manage charging away from peak electricity demand periods.


This will be explored in detail through the smart charging trial taking place during the rest of 2017 and 2018.


Over 40 different makes and models of EVs are taking part in the trial, and the geographical hot spots of EV owners who are taking part will be revealed in Electric Nation’s presentation at LCV.


Electric Nation, one of Western Power Distribution’s (WPD) innovation projects, with collaboration partners EA Technology, DriveElectric, Lucy Electric GridKey and Transport Research Laboratory (TRL), is believed to be the world’s largest trial of its kind, and is offering a free smart charger to 500-700 electric vehicle drivers.


The project is ahead of schedule with recruitment, having received over 2,500 enquiries, which have translated to over 700 signed expressions of interest, of which over 400 have been approved, and over 350 smart chargers have now been installed.


“The UK Government is looking to mandate smart charging, and the Electric Nation project is providing evidence about whether it will work,” said Mark Dale, innovation manager, Western Power Distribution.


“Research shows that at least 30 per cent of Britain’s low voltage networks are likely to require investment by 2050 to charge EVs, costing at least £2.2bn. Our early findings suggest that smart charging could reduce, delay or avoid the need to upgrade or replace these networks.”


The Electric Nation trial is taking place in the WPD network areas in the Midlands, South West and South Wales.


Electric Nation can be found at stand number C3 100-101, and Electric Nation’s presentation is taking place on day one of the LCV event, Wednesday 6 September, in the Presentation Zone, Hall 2, starting at 2pm.



If you like this, you might be interested in reading the following:


Electric Nation vehicle trial underway

Research project wants to ensure local electricity networks can cope with the increasing numbers of electric vehicles

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Electric Nation recruits EV drivers for world’s largest trial

New trial aims to help electricity operators deal with additional EV charging on their networks

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Vehicle-to-grid feasibility project for London

Costain and Cenex will collaborate to develop a commercial business case for the installation of the V2G infrastructure

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