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Browsing the "Frequency modulation" Tag

Massive Battery System Captures The Wind

December 6th, 2011 | by Silvio Marcacci

One of the biggest challenges facing wind energy is intermittency. Wind often blows strongest when power demand is lowest, and weakest when electricity is needed the most. Because today’s power grid needs electricity to be consumed the moment it’s generated, that means wind turbines send energy to the grid half as often as an average coal plant. What if wind farms could store the power that isn’t needed right away and sell it later when demand is high? energyNOW! correspondent Patty Kim visited an energy storage system built alongside a wind farm in the heart of coal country.



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