23 Aug '11, 7am

Energy storage: why do we need it? The Green Piece.

Energy storage: why do we need it? The Green Piece.

August 22, 2011. The Green Piece Column. With electric cars inching ever closer to a mainstream reality, questions are raised as to how the grid will cope with increased demand . One of the potential answers appears to be energy storage . In 2009, for example, the US Stimulus Plan helped finance research into energy storage with smart electrical grids. Here we take a closer look at the concept and why it is needed. Why store electricity ? As electricity is transferred in a closed circuit it cannot be stored as electrical energy. Therefore even though power plants seemingly generate all of the energy we need, any changes in demand could not be accommodated without either reducing demand elsewhere or by storing the electricity in another medium. With the world’s population growing and electric cars about to emerge, there are increased environmental and economic pressures pla...

Full article: http://www.thegreencarwebsite.co.uk/blog/index.php/2011/0...

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