As renewable energy becomes increasingly commonplace, interest in energy storage technologies is growing around the world. The energy storage method most widely used today on power grids involves huge hydropower systems, in which water gets pumped uphill with extra electricity and then released through turbines when the energy is needed. In Germany, where nuclear power is gradually yielding to renewables, the government is devoting €200 million, or $270 million, to energy storage research, according to Eicke Weber, who directs the Fraunhofer Institute for Solar Energy Systems ISE in Germany. Japan, which is also eager to use more renewable energy in the aftermath of the Fukushima nuclear crisis, made money available last year to support small-scale energy storage systems that can be paired with solar panels, according to Abigail Ward, a market analyst at IHS, a global research group.
Source: http://www.nytimes.com/2013/10/03/business/energy-environment/Filling-the-Gaps-in-the-Flow-of-Renewable-Energy.html?partner=rss&emc=rss
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