Energy question of the week: Can solar power be stored?

14. June 2010, 10.09
Solar power stations generate electricity only when it is sunny. So they do not exactly have a great reputation as reliable power providers. But this disadvantage can be overcome with efficient forms of low-cost heat storage. Many ideas are currently being tested, and some of these are even in use. How do storage facilities go about of storing solar power?
Jan Oliver Löfken
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Jan Oliver Löfken