MIT engineers have come up with a conceptual design for a system to store renewable energy, such as solar and wind power, and deliver that energy back into an electric grid on demand. The system may be designed to power a small city not just when the sun is up or the wind is high, but around the clock.
It still looks a bit like science fiction but good steps are being taken to find a cheaper storage solution than lithium batteries. It is good to be following the evolution of this technology.
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