The official website of Shanghai Songjiang Vibration Absorber Group Co., Ltd. shares the Rubber Expansion Joint Contract for Hubei Zhongxiang Nianpanshan Hydropower Station Project.
Songjiang Group has supplied durable rubber expansion joints for numerous hydropower projects, including a batch of DN100 stainless steel flange rubber joints for the Three Gorges Dam in 2012, demonstrating reliable quality, corrosion resistance, and long service life.
I. Introduction to Hubei Zhongxiang Nianpanshan Hydropower Station Project
Overview
The Nianpanshan Hydropower Project is a key project in the Han River cascade development, located in Zhongxiang City, Jingmen, Hubei Province. The total investment is 6.636 billion RMB, construction began in August 2018, and the last unit was connected to the grid in September 2024, marking the start of full-scale power generation. The project is also listed among 172 major national water-saving and water supply projects.
Technical Specifications
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Total reservoir capacity: 877 million cubic meters
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Type: Run-of-river hydropower station
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Installed units: 6 bulb-type Kaplan turbine-generator units
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Total installed capacity: 180,000 kW
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Annual green power generation: 616 million kWh
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Ship lock: Class III, accommodates 500-ton ships, largest in the middle and lower Han River cascade
Comprehensive Development Tasks
The project focuses on power generation and navigation, while also supporting irrigation and water supply. After commissioning, the project can:
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Upgrade navigation from Wuhan to Xiangyang for 1,000-ton vessels
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Improve irrigation for 462,900 mu of farmland
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Provide 100 million cubic meters of annual water supply for Zhongxiang City
Ecological and Overall Benefits
The project incorporates fish passages, propagation stations, and ecological slopes, promoting river ecosystem recovery. Annual benefits include:
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Saving nearly 800,000 tons of standard coal
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Reducing 1.965 million tons of CO₂ emissions
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Supporting the full operation of the Han River Golden Waterway and promoting economic development along the Han River corridor
