One of renewable energy’s most vexing issues is the sheer variability of wind and solar power. It’s a headache for managers of the power system, whose customers need a steady, predictable stream of electricity. Germany is feeling the pain as a leader in alternative power, with 7 percent of its electricity from wind energy -- one of the highest rates in the world.
In short, Germany’s electric grid operators need a place to store all that wind power. And in Cuxhaven, they think they’ve found an answer -- in frozen fish.
For more: Frozen Fish Help Reel in Germany's Wind Power
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