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China just took a massive step forward for renewable energy as it flipped the switch on the world’s largest battery, which will help integrate a solar project and a wind farm into a smart grid. Capable of storing 36 megawatt hours of power and taking up the area of a football field, the giant battery bank was built as a joint venture between solar and electric car company BYD and the State Grid Corporation of China to improve a large wind and solar electric installation’s efficiency by 5-10%. It looks like we have a race to see who will have the largest battery in world as utilities struggle to make solar and wind technologies usable for longer periods of time.
