Outer Dome Installed at Changjiang Nuclear Unit 4 in Hainan, China
The installation of the 415-tonne outer dome at unit 4 of the Changjiang nuclear power plant signifies the transition to the final construction phase. This development is crucial as it enhances the plant's capacity to generate 18 billion kilowatt-hours annually, supporting Hainan's nuclear energy goals.
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On April 13, the outer dome, weighing approximately 415 tonnes and measuring 52 meters in diameter, was successfully installed at unit 4 of the Changjiang nuclear power plant using a 4,000-tonne crawler crane. This milestone marks the commencement of the final stage in the civil construction phase, as stated by China National Nuclear Corporation (CNNC).
Units 3 and 4 of the Changjiang plant represent a total investment of CNY40 billion (USD5.9 billion) and are expected to be operational by early 2027, collectively generating 18 billion kilowatt-hours annually. The project's construction is managed by CNNC 22nd Engineering Co Ltd, which utilized 3D modeling technology for precise planning and risk mitigation during the installation process. This development aligns with Hainan's energy policies aiming to prioritize nuclear power for the island's electricity needs, supporting its population of nearly 10 million.
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