<p><span class="inline inline-left"><img src="http://www.energybulletin.net/sites/default/files/images/Waterfall.thumbnail.png" alt="" title="" class="image image-thumbnail" width="100" height="72" /></span>A lot of money and effort is spent in order to find technological solutions for storing the energy produced by renewables, but very little to understand what the real problem is. How much energy storage do we really need? And is it true that if we don't have 100% energy storage then renewables are useless, as some people say?</p>
<div class="image-clear"></div><p><a href="http://www.energybulletin.net/stories/2012-05-29/leverage-points-energy-storage">read more</a></p>