On the Qinghai-Tibet plateau, Chinese company Huizhou Roypow Technology Co. Ltd. (Roypow) has deployed what it claims is the world’s highest altitude energy storage system, operating in combination with diesel generators to power a major infrastructure project in a remote, offgrid location. pv magazine spoke with Roypow project manager Li Tiancong about how the batteries dramatically reduce fuel consumption and energy costs for the site, and the challenges of operating energy systems in harsh, high-altitude conditions.
Thin air at high altitudes reduces cooling efficiency and brings other challenges to BESS operation.
Image: Roypow
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