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Greentech Media
Feb 20, 2020, 9:30 am171 ptsTen years ago, Siemens Wind Power, as it was then known, started playing around with a concept for a thermal energy storage system. Last year, the wind turbine manufacturer now known as Siemens Gamesa plugged a 30-megawatt/130-megawatt-hour demonstration system into the grid at Hamburg harbor. By next year,…
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