Technicians install insulators at a power substation in Hubei province. Photo: Xinhua

China’s under-utilised ultra-high-voltage power lines no silver bullet to rid grid of bottlenecks

State Grid plans to plough some 600 billion yuan into UHV lines by 2020

Topic |   Energy

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Technicians install insulators at a power substation in Hubei province. Photo: Xinhua
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