| The amount of electricity that can be stored thanks to the new pumped-storage and turbine power station in Nant de Drance, canton Valais, could charge more than 400,000 electric car batteries. Its director explains the role of this "water battery" for electricity supply and grid stabilisation in Switzerland and Europe. “The electric storage capacity of the reservoir surpasses that of 400,000 electric car batteries,” explains Alain Sauthier, engineer and director of the Nant de Drance pumped-storage hydroelectric plant, pointing towards the Vieux Emosson reservoir. This artificial lake was built in 1955 in the municipality of Finhaut, high in the Alps of the Swiss canton of Valais. Between 2012 and 2016, the height of the Vieux Emosson dam was raised by some 20 metres to increase the reservoir’s capacity and thus store more energy, the plant’s director details. “In the future, it will be increasingly necessary to store large amounts of electricity, as renewable sources gradually replace nuclear and fossil energy.” However, as he points out, solar and wind power are volatile sources that do not necessarily generate electricity when it is needed. This is why systems such as this one are so important, to be able to store energy and keep the grid stable. (swissinfo.ch) --- swissinfo.ch is the international branch of the Swiss Broadcasting Corporation (SBC). Its role is to report on Switzerland and to provide a Swiss perspective on international events. For more articles, interviews and videos visit swissinfo.ch or subscribe to our YouTube channel: Website: http://www.swissinfo.ch Channel: http://www.youtube.com/swissinfovideos Subscribe: http://www.youtube.com/subscription_center?add_user=swissinfovideos |
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swissinfo.ch is the international branch of the Swiss Broadcasting Corporation (SBC). Its role is to report on Switzerland and to provide a Swiss perspective on international events.
For more articles, interviews and videos visit swissinfo.ch or subscribe to our YouTube channel:
Website: http://www.swissinfo.ch
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