Name: Project 635 Dam: Hydroelectric Infrastructure on the Irtysh River
Address: CN

Overview

The Project 635 Dam is an operational hydroelectric powerplant located in Fuhai County within China's Xinjiang Uighur Autonomous Region. It is one of three dams constructed on the Irtysh River in this region, serving a dual purpose as both a source of electrical power and a critical water infrastructure component. The facility is situated approximately 56 km east of Beitun, positioning it strategically within the local hydrological network. As an embankment dam, it creates a reservoir that functions as the primary source of water for the Irtysh–Karamay–Ürümqi Canal, a significant conveyance system for the area. The plant has a capacity of 32 MW and was commissioned in 2001, marking its entry into the regional energy and water management infrastructure. This combination of hydroelectric generation and water storage highlights the integrated approach to resource utilization in the Xinjiang region, where water availability is a key factor in both energy production and agricultural or municipal supply. The dam's role in feeding the Irtysh–Karamay–Ürümqi Canal underscores its importance beyond mere electricity generation, linking it directly to the broader water distribution network that supports communities and industries along the route from the Irtysh River towards Karamay and Ürümqi. The operational status of the dam remains active, continuing to contribute to the local energy mix and water security. The specific designation "Project 635" reflects its place within a series of developments on the Irtysh River, indicating a coordinated effort to harness the river's potential through multiple dam constructions. The location in Fuhai County places it in a region where the Irtysh River provides a consistent water source, essential for maintaining the reservoir levels required for both turbine operation and canal feed. The 32 MW capacity represents a modest but steady contribution to the regional grid, typical of medium-sized hydroelectric installations that balance energy output with water storage needs. The commissioning in 2001 situates the dam's development in the early phase of the 21st century, a period of significant infrastructure expansion in China's western provinces. The integration of power generation and water conveyance in a single structure exemplifies efficient land and resource use, a common feature in hydroelectric projects in arid or semi-arid regions like Xinjiang. The dam's embankment design is suited to the local topography and geological conditions of the Irtysh River valley, ensuring stability and effective water retention. The proximity to Beitun provides logistical advantages for maintenance and operational oversight, while the distance of 56 km allows for a sufficient catchment area to feed the reservoir. The Irtysh–Karamay–Ürqümqi Canal benefits directly from the dam's reservoir, ensuring a regulated water flow that supports the canal's function in transporting water over long distances to key urban and industrial centers. This interdependence between the dam and the canal system highlights the strategic planning involved in the region's water resource management. The Project 635 Dam thus stands as a key node in the network of infrastructure that supports the economic and social development of the Xinjiang Uighur Autonomous Region.

History and Construction

The construction of the Project 635 Dam represents a key phase in the development of hydroelectric infrastructure along the Irtysh River in China's Xinjiang Uighur Autonomous Region. The project was initiated to harness the water resources of the river, creating a reservoir that would serve critical regional water supply needs. The dam is an embankment structure located in Fuhai County, positioned approximately 56 km east of Beitun. Its primary function extends beyond power generation, as the resulting reservoir acts as the source of water for the Irtysh–Karamay–Ürümqi Canal, linking the river system to major urban centers in the region.

Construction activities for the dam commenced in 1998. This period marked the beginning of significant earthworks and structural development required to establish the embankment across the river channel. The timeline from start to completion was relatively rapid, reflecting the focused engineering efforts deployed in the Fuhai County area. The impounding of water began in 2000, signaling that the main structural elements were sufficient to hold back the flow of the Irtysh River and begin filling the reservoir. This stage was crucial for testing the integrity of the embankment and preparing the reservoir for its dual role in hydroelectric generation and canal supply.

Construction Timeline

Year	Event
1998	Construction of the Project 635 Dam begins in Fuhai County.
2000	Impounding of the reservoir starts, marking a major milestone in the dam's structural completion.
2001	The dam is officially commissioned, entering operational status with a capacity of 32 MW.

The project reached its final stage of completion in 2001, when the dam was officially commissioned. Upon commissioning, the facility became operational, contributing 32 MW of hydroelectric power to the regional grid. The successful completion of the Project 635 Dam solidified its role as one of the three major dams constructed on the Irtysh River within the Xinjiang Uighur Autonomous Region. The reservoir created by the dam has since functioned effectively as the water source for the Irtysh–Karamay–Ürümqi Canal, supporting both energy production and water distribution in the area. The operational status of the dam has remained consistent since its inception in 2001, providing a stable source of renewable energy and water management capability for the region.

Technical Specifications and Hydrology

The Project 635 Dam is an embankment structure situated on the Irtysh River within the Xinjiang Uighur Autonomous Region of China. The dam functions as a critical node in the regional water management infrastructure, specifically creating the Project 635 Reservoir.

Dam Structure and Reservoir

The dam is classified as an embankment dam, a design choice typical for harnessing the flow of the Irtysh River in this section of Xinjiang. The construction of the dam results in the formation of the Project 635 Reservoir. While specific dimensions of the embankment height or crest length are not detailed in the primary grounding, the reservoir's strategic importance is defined by its role in the Irtysh–Karamay–Ürqumqi Canal system. This canal network is vital for transporting water from the Irtysh River basin to the arid regions surrounding Karamay and Ürümqi, supporting both municipal and industrial water demands.

Hydroelectric Capacity

In addition to its hydraulic function, the Project 635 Dam incorporates a hydroelectric powerplant with an installed capacity of 32 MW. The facility was commissioned in 2001 and remains operational. This capacity contributes to the local energy grid, leveraging the flow of the Irtysh River to generate electricity. The integration of power generation with water storage allows for dual-use efficiency, balancing energy production with the water supply requirements of the downstream canal system.

Parameter	Value
Entity Type	Hydroelectric Powerplant
Dam Type	Embankment Dam
River	Irtysh River
Location	Fuhai County, Xinjiang, China
Proximity	56 km east of Beitun
Reservoir	Project 635 Reservoir
Primary Water User	Irtysh–Karamay–Ürümqi Canal
Installed Capacity	32 MW
Commissioning Year	2001
Operational Status	Operational

Role in Regional Water Management

The Project 635 Dam functions as a critical node in the water infrastructure of China's Xinjiang Uighur Autonomous Region, specifically within Fuhai County. While classified as a hydroelectric powerplant with a 32 MW capacity, its strategic importance extends significantly beyond electricity generation, serving as the primary source of water for the Irtysh–Karamay–Ürümqi Canal. This canal system is vital for regional water management, transporting water from the Irtysh River to support industrial and municipal needs in key urban centers including Karamay and Ürümqi.

Water Supply for Industry and Urban Centers

The reservoir created by the embankment dam provides the necessary head and volume to feed the Irtysh–Karamay–Ürümqi Canal. This infrastructure project is essential for sustaining the industrial growth of the region, particularly in Karamay, a major oil-producing city, and Ürümqi, the capital of the autonomous region. By regulating the flow of the Irtysh River, the dam ensures a consistent water supply for these downstream areas, which might otherwise face variability due to seasonal changes in the river's natural flow. The water drawn from the reservoir supports both industrial processes and municipal consumption, highlighting the dam's dual role in energy production and water resource management.

Agricultural and Ecological Flow Regulation

In addition to supplying water for the canal, the Project 635 Dam plays a role in maintaining flow in the Irtysh River below the dam. This regulated discharge is important for local ecosystems that depend on the river's water quality and quantity. The dam's location, approximately 56 km east of Beitun, places it in a strategic position to manage water distribution for agricultural uses in Fuhai County and surrounding areas. The consistent flow helps support agricultural activities that rely on the Irtysh River, ensuring that downstream users have access to water for irrigation and other agricultural needs.

The integration of the dam into the broader regional water management system underscores its importance in balancing energy production with water supply demands. By serving as the source for the Irtysh–Karamay–Ürümqi Canal, the Project 635 Dam enables the efficient transport of water to key economic centers in Xinjiang, supporting both industrial and agricultural sectors while maintaining ecological flow in the river below the dam.

Why it matters

The Project 635 Dam functions as a critical infrastructure node within the broader hydrological management of China's Xinjiang Uighur Autonomous Region. As one of three major dams constructed on the Irtysh River in this area, the facility plays a pivotal role in regional water security and agricultural sustainability. The dam’s primary strategic function is to create a reservoir that serves as the direct source of water for the Irtysh–Karamay–Ürümqi Canal. This canal system is vital for transporting water from the Irtysh basin to key urban and industrial centers, including Karamay and Ürümqi, thereby supporting economic development and population growth in an otherwise arid environment.

Strategic Role in the Irtysh–Karamay–Ürümqi Canal

The Irtysh–Karamay–Ürümqi Canal represents a significant engineering achievement in Xinjiang's water infrastructure. The Project 635 Dam ensures a consistent water supply for this canal, which is essential for both municipal use and industrial operations in the region. By regulating the flow of the Irtysh River, the dam helps mitigate the variability of water availability, which is crucial for maintaining stable operations in downstream areas. The reservoir created by the dam acts as a buffer, storing water during periods of high inflow and releasing it as needed to meet the demands of the canal system. This functionality is particularly important in Xinjiang, where water scarcity can significantly impact economic activities and agricultural output.

Water Security in Xinjiang

Water security is a paramount concern in Xinjiang, a region characterized by its diverse topography and varying climatic conditions. The Project 635 Dam contributes to this security by providing a reliable water source for the Irtysh–Karamay–Ürümqi Canal. This reliability is essential for supporting the growing population and expanding industrial base in cities like Karamay and Ürümqi. The dam’s operational status, having been commissioned in 2001, indicates its established role in the region's water management strategy. With a capacity of 32 MW, the dam also contributes to the local energy mix, further enhancing its strategic importance. The integration of water supply and energy production underscores the dam’s multifaceted role in supporting Xinjiang’s development goals.

Regional Impact and Future Considerations

The Project 635 Dam’s impact extends beyond immediate water supply and energy production. It supports agricultural activities in Fuhai County and surrounding areas, which are crucial for the region's food security. The dam’s location, approximately 56 km east of Beitun, places it in a strategic position to influence water distribution across the eastern part of the Irtysh basin. As Xinjiang continues to develop, the demand for water is likely to increase, making the efficient operation of the Project 635 Dam even more critical. Future considerations may include enhancements to the dam’s capacity or the integration of additional technologies to optimize water usage and energy production. The dam remains a key component of Xinjiang’s infrastructure, reflecting the region’s ongoing efforts to balance economic growth with environmental sustainability.

Proposed Water Transfer from the Burqin River

The "Bringing Western Water to the East" project represents a strategic initiative to enhance the hydrological balance of the Project 635 Reservoir. This water transfer scheme is designed to move water from the Burqin Shankou Reservoir to the Project 635 Reservoir, thereby optimizing the water supply for the Irtysh–Karamay–Ürümqi Canal system. The project aims to address potential fluctuations in the Irtysh River's flow, ensuring a more consistent water source for the downstream canal network that serves the Xinjiang Uighur Autonomous Region.

Hydrological Integration

The integration of water from the Burqin Shankou Reservoir into the Project 635 Reservoir involves complex hydrological management. The Burqin River, a tributary of the Irtysh River, provides a supplementary water source that can be strategically released to complement the main flow of the Irtysh. This transfer helps to stabilize the water levels in the Project 635 Reservoir, which is critical for maintaining the operational efficiency of the 32 MW hydroelectric power plant commissioned in 2001. The embankment dam in Fuhai County, located about 56 km east of Beitun, plays a central role in this system by regulating the inflow and outflow of water.

Impact on the Irtysh–Karamay–Ürümqi Canal

The Irtysh–Karamay–Ürümqi Canal is a vital infrastructure component for water distribution in northern Xinjiang. By improving the water balance in the Project 635 Reservoir, the "Bringing Western Water to the East" project ensures a more reliable water supply for the canal. This reliability is essential for both agricultural irrigation and urban water supply in the regions served by the canal, including Karamay and Ürümqi. The project thus contributes to the broader water security strategy of the Xinjiang Uighur Autonomous Region, leveraging the natural water resources of the Irtysh River and its tributaries to support economic development and population growth.

Strategic Significance

The strategic significance of the "Bringing Western Water to the East" project extends beyond immediate hydrological benefits. It represents a forward-looking approach to water resource management in a region characterized by variable climate conditions. By diversifying the water sources feeding into the Project 635 Reservoir, the project reduces the vulnerability of the water supply system to seasonal variations and long-term climatic trends. This resilience is crucial for sustaining the operational status of the hydroelectric power plant and ensuring the continuous flow of water through the Irtysh–Karamay–Ürümqi Canal, which is a key artery for water distribution in the region.

What distinguishes Project 635 from other Irtysh dams?

It is one of three dams constructed on this specific stretch of the river, each contributing to the region's energy mix and water distribution networks. While the three dams share the same primary water source, the Irtysh River, the Project 635 Dam is distinguished by its specific geographic positioning and its dual role in power generation and large-scale water transfer. This strategic location allows it to capture and regulate river flow effectively, creating a reservoir that serves as the primary source of water for the Irtysh–Karamay–Ürümqi Canal. This canal system is vital for transporting water across the region, supporting both agricultural and urban water demands in areas such as Karamay and Ürümqi.

Role in Water Transfer

The most significant distinguishing feature of the Project 635 Dam, compared to the other two dams on the Irtysh River in China, is its direct integration with the Irtysh–Karamay–Ürümqi Canal. This infrastructure project is essential for water distribution in Xinjiang, where water scarcity can impact both industrial and agricultural productivity. The reservoir created by the Project 635 Dam acts as a key storage and regulation point, ensuring a consistent water supply for the canal. This function is particularly important given the variable flow rates of the Irtysh River, which originates in the Altai Mountains and flows through diverse climatic zones. By maintaining a steady water level in the reservoir, the dam helps to mitigate seasonal fluctuations, providing a reliable water source for downstream users. This role in water transfer complements its hydroelectric generation capabilities, making the Project 635 Dam a multifaceted infrastructure asset.

Hydroelectric Generation

In addition to its water transfer function, the Project 635 Dam contributes to the regional power grid with an installed capacity of 32 MW. This capacity, while modest compared to some larger hydroelectric projects, is significant for the local energy mix in Fuhai County and the surrounding areas. The dam was commissioned in 2001, marking the beginning of its operational life and its contribution to the region's energy security. The hydroelectric generation at Project 635 is driven by the flow of the Irtysh River, which provides a consistent water source for the turbines. The operational status of the dam remains active, indicating its continued importance in the region's energy infrastructure. The combination of water transfer and power generation makes the Project 635 Dam a key component of the integrated water and energy management strategy in Xinjiang. This dual functionality allows for more efficient use of the river's resources, supporting both economic development and environmental sustainability in the region.

Project 635 Dam: Hydroelectric Infrastructure on the Irtysh River