Major changes in store for electricity industry
28 Apr 2015

Storage reservoir for a pumped-water hydroelectricity plant on Zar mountain, southern Poland.
By PAUL BROWN.- Inventors are in a race to find the best way of storing electricity to make the most of renewables and cut the use of fossil fuels.
Currently, when more power than needed by consumers is produced by sources such as wind turbines or solar panels, some of the electricity is wasted. But that is changing.
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