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Success of nuclear reactor Hualong One suggests it can compete with wind and solar to drive China’s decarbonisation

  • With the first Hualong reactor delivered on schedule, the costs have come down, says Xiamen University’s Lin Boqiang
  • China has a clear advantage over European rivals in the sector

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The No.5 nuclear power unit in Fuqing, southeast Fujian province. China’s first nuclear power unit using Hualong One technology, a domestically developed third-generation reactor design, was connected to the grid and started to generate electricity in November last year. Photo: Xinhua
Eric Ng

Nuclear power has the potential to compete with wind and solar farms in China in the long term, energy experts said, as the segment’s notoriously high construction costs come down.

Nuclear power’s future in the country will depend on whether the recent on-time construction of the first China-designed third-generation Hualong One reactor can be sustained in future projects, and whether it can establish a good safety record, they said.

“The high costs of the world’s initial few third-generation nuclear plants were due to construction delays related to supply chain challenges, which is understandable,” said Lin Boqiang, dean of Xiamen University’s China Institute for Studies in Energy Policy. “With the first Hualong reactor delivered on schedule, the costs have come down, and if more plants can be delivered within the 62-month completion schedule, the costs will be acceptable and competitive.”

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Hualong One’s on-time delivery is significant because nuclear power, which contributed 4.8 per cent to China’s total power output last year, has grown much slower than wind and solar power. Its production rose by 5 per cent last year, trailing the 16 per cent recorded by wind and solar energy. It was, however, ahead of coal and gas-fired electricity’s 2.5 per cent.

Workers are seen at the installation site of reactor pressure vessel of the No.5 unit of China National Nuclear Corporation’s Fuqing nuclear power plant in southeast Fujian Province, in January 2018. Photo: Xinhua
Workers are seen at the installation site of reactor pressure vessel of the No.5 unit of China National Nuclear Corporation’s Fuqing nuclear power plant in southeast Fujian Province, in January 2018. Photo: Xinhua
Thanks to falling equipment costs and subsidies, wind and solar project installations have grown rapidly and together made up 9.5 per cent of China’s total electricity output last year. This number could rise to 26 per cent by 2030, and 63 per cent by 2060, much higher than nuclear power’s 12 per cent, according to projections by Sanford Bernstein analysts published in a report this month.
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