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Supergrid or networks of grids for renewable energy in Europe

European Supergrid to Revolutionise Renewable Energy?, Oil Price.com, By James Burgess | , 25 January 2012  Europe is the world leader in renewable energy generation, but as with all renewable energy sources they face the problem of reliability. One way of overcoming this limitation and ensuring that power supply will be constant is to have expensive, traditional, fossil-fuelled power stations to generate electricity whilst conditions are unfavourable for the renewable source; but this almost makes the whole investment in renewable power sources irrelevant. A better way of ensuring consistent power is to link several diverse sources of renewable energy on one electrical grid. So when a wind farm can’t produce much power on a windless day, a solar farm might compensate.

Following this school of thought are the advocates of a European supergrid which they hope will enhance the clean energy industry by connecting power sources like wind farms in Scotland and solar arrays in Spain or North Africa to the power hungry population centres of Europe. According to Doug Parr, chief scientist at the British arm of Greenpeace, a supergrid “is absolutely essential” if Europe is to make general use of the potentially abundant clean energy, and significantly cut its CO2 emissions.

Some countries do already have cross-border power networks, but the benefits are few. Experts say a larger cross-border network will reduce power prices for consumers and make supplies more secure by promoting competition and distributing surplus production more efficiently. Eg. When the wind drops in Britain, it may still be strong in Germany, or the sun may be shining in Tunisia. Households drawing power from a grid thousands of miles wide are less likely to be affected by an individual source’s output.

Currently Britain is working with other Northern European countries such as, France, Germany, Norway and Sweden to negotiate a network of underwater cables, the North Sea Countries Offshore Grid Initiative, with the aim of distributing power generated by offshore wind farms. The project is likely to take decades but could provide a potential building block for the broader European supergrid.

However, as with all mammoth, international projects, the dream faces some serious obstacles in the real world…..

……..Due to the almost impossible task of regulating and organising the design and construction of a European supergrid it is more likely that pairs of countries will implement their own grid link-ups, and that eventually those grids may add more and more countries, or join to other grids, and that one day there will be a network of smaller grids that link together across the continent. But let’s for one moment allow ourselves to believe that European politicians can coerce their respective governments into backing a supergrid. It really could set an example to the rest of the world and help secure the EU’s position as a renewable energy superpower in the future. I’m excited.  http://oilprice.com/Alternative-Energy/Renewable-Energy/European-Supergrid-to-Revolutionise-Renewable-Energy.html

January 26, 2012 - Posted by | energy storage, EUROPE, renewable

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