Overview

The Jilebulake Dam is an operational hydroelectric power plant located in Habahe County, within the Xinjiang Uyghur Autonomous Region of China. Situated on the Haba River, which serves as a tributary of the larger Irtysh River system, the facility functions as a critical component of the regional energy infrastructure. The dam is engineered as a concrete-face rock-fill structure, a design choice that leverages local geological materials to create a robust barrier for water retention and power generation. Its primary operational purpose is the production of hydroelectric power, supporting a dedicated power station with an installed capacity of 160 MW. This output contributes to the energy mix of the Xinjiang region, utilizing the natural flow and elevation drop of the Haba River to drive turbines and generate electricity for local and regional consumption.

Construction of the Jilebulake Dam commenced in 2009, marking the beginning of a multi-year development phase aimed at harnessing the hydraulic potential of the Haba River. The project involved the creation of a significant reservoir, which began to fill in November 2013. The dam stands at a height of 146.30 m (480.0 ft), providing substantial storage capacity to regulate water flow and ensure consistent power generation. The commissioning of the facility in 2013 represented a milestone for the Habahe County area, integrating modern hydroelectric technology into the landscape. The concrete-face rock-fill design allows for efficient construction and maintenance, adapting well to the specific topographical and geological conditions of the site.

The operational history of the Jilebulake Dam includes a notable incident during the initial reservoir filling phase. On November 17, 2013, a failure occurred in the diversion tunnel gate, causing water from the reservoir to rush downstream. This event prompted the evacuation of local populations residing in the downstream areas. Fortunately, there were no reported losses of life during this incident. The flooding was significantly mitigated by the Shankou Dam, located just downstream, which was able to control much of the water surge. This event highlighted the importance of downstream infrastructure coordination and emergency response planning in hydroelectric projects. Despite this initial challenge, the dam has remained operational, continuing its role in hydroelectric power generation and water management on the Haba River.

Geography and Site Selection

This location places the facility in the northwestern part of the country, a region characterized by significant hydrological resources derived from mountainous terrain. The dam is constructed on the Haba River, which serves as a key tributary to the larger Irtysh River system. The Irtysh is a major waterway in Central Asia and northern China, and the Haba River’s contribution to this basin is critical for regional water management and energy production.

River System and Hydrology

The Haba River flows through the Habahe County area, providing the necessary head and flow volume to support the hydroelectric operations of the Jilebulake facility. As a tributary of the Irtysh, the Haba River is part of a broader drainage network that influences water availability for power generation. The specific hydrological characteristics of the Haba River, including its seasonal flow variations, were key factors in the site selection for the concrete-face rock-fill dam. The river’s path through the county allows for the creation of a reservoir that can effectively capture and store water for the 160 MW power station.

Geographic Parameter Detail
Country China (CN)
Administrative Region Xinjiang Uyghur Autonomous Region
County Habahe County
River Haba River
Tributary To Irtysh River
Dam Type Concrete-face rock-fill dam

The choice of Habahe County for the dam’s location reflects the strategic importance of the Haba River within the local geography. The area’s topography supports the construction of a 146.30 m tall structure, which is essential for creating the reservoir capacity needed for the hydroelectric power plant. The proximity to the Irtysh River system ensures that the water resources are integrated into a larger regional framework, enhancing the efficiency of water usage for power generation. The site’s geographic features, including the river’s flow and the surrounding landscape, were carefully evaluated to ensure the stability and operational effectiveness of the Jilebulake Dam.

Engineering Design and Specifications

The Jilebulake Dam is engineered as a concrete-face rock-fill structure, a design choice that leverages the compressive strength of rock fill combined with the impermeability of a concrete slab facing. This construction type is particularly suited for the topographical and geological conditions found in the Habahe County region of the Xinjiang Uyghur Autonomous Region. The dam rises to a height of 146.30 m (480.0 ft), creating a significant hydraulic head necessary for efficient energy production on the Haba River, which serves as a tributary to the larger Irtysh River system. The structural integrity of the concrete face is critical to minimizing seepage through the rock-fill core, ensuring long-term operational stability in the varied climatic conditions of the region.

Hydroelectric Power Station

The primary function of the Jilebulake Dam is hydroelectric power generation. The facility supports a power station with an installed capacity of 160 MW. This capacity is harnessed by channeling water from the reservoir through penstocks to drive turbines connected to generators. The design of the power station is integrated with the dam’s hydraulic infrastructure, allowing for controlled water release to match energy demand while maintaining reservoir levels. The 160 MW output contributes to the regional power grid, providing a renewable energy source that complements other energy infrastructure in the Xinjiang Uyghur Autonomous Region.

Construction and Diversion Infrastructure

Construction of the dam structure commenced in 2009. A critical component of the construction phase was the diversion tunnel, which allowed the Haba River to flow around the dam site during the initial building stages. The reservoir began to fill in November 2013, marking a key milestone in the project's timeline. However, this phase was not without technical challenges. On November 17, 2013, during the filling process, the diversion tunnel gate experienced a failure. This incident caused water from the reservoir to rush downstream. Emergency measures were implemented, including the evacuation of locals in the downstream areas. Fortunately, there was no loss of life. This event highlighted the importance of robust gate mechanisms and downstream flood control infrastructure in hydroelectric projects.

The successful completion of the dam and its subsequent operational status demonstrate the resilience of the engineering design. The concrete-face rock-fill construction has withstood the hydraulic pressures and the initial filling challenges, securing the dam's role in the region's energy infrastructure. The integration of the 160 MW power station with the 146.30 m high dam structure represents a significant investment in the hydroelectric potential of the Haba River.

Construction Timeline

The construction of the Jilebulake Dam, a concrete-face rock-fill structure on the Haba River, commenced in 2009. The primary objective of the infrastructure development was to establish a hydroelectric power generation facility with an installed capacity of 160 MW. The dam stands at a height of 146.30 m (480.0 ft). Construction activities progressed over several years, leading to the initial stages of reservoir filling in November 2013. This timeline marks the transition from active civil engineering works to the operational phase of the water body management.

Key Construction Milestones

Year Event
2009 Construction of the 146.30 m tall concrete-face rock-fill dam began.
November 2013 The reservoir began to fill, marking a critical phase in the project timeline.
November 17, 2013 A diversion tunnel gate failed during the filling process, causing water to rush downstream.

2013 Diversion Tunnel Gate Incident

During the reservoir filling phase in November 2013, a significant operational incident occurred. On November 17, 2013, the diversion tunnel gate failed. This mechanical or structural failure allowed the water accumulating inside the reservoir to rush downstream rapidly. The sudden release of water posed an immediate threat to the areas located below the dam structure. In response to the flooding risk, local authorities initiated evacuations for residents living downstream. The evacuation efforts were successful in ensuring public safety, and there was no loss of life reported during the event. The flooding was significantly mitigated by the Shankou Dam, which is located just downstream from the Jilebulake Dam. The Shankou Dam was able to control much of the flooding, preventing further extensive damage to the region. This incident highlighted the importance of downstream infrastructure coordination in managing hydroelectric reservoir operations.

The 2013 Diversion Tunnel Gate Failure

The filling of the Jilebulake Dam reservoir, which commenced in November 2013, was marked by a significant operational incident on November 17 of that year. During the initial stages of filling, the gate of the diversion tunnel failed, causing a sudden release of water from the reservoir. This failure allowed water to rush downstream along the Haba River, creating an immediate flood risk for the areas below the dam structure. The incident occurred while the concrete-face rock-fill dam was still in its early operational phase, having begun construction in 2009.

Downstream Impact and Evacuation

The rapid discharge of water from the diversion tunnel necessitated a swift response from local authorities in Habahe County. Residents living downstream along the Haba River were evacuated to mitigate the risk of flooding. Despite the suddenness of the water release, the evacuation efforts were effective, and there were no reported losses of life among the local population. The incident highlighted the importance of monitoring infrastructure during the critical filling phase of hydroelectric projects in the Xinjiang Uyghur Autonomous Region.

Role of the Shankou Dam

A key factor in mitigating the downstream impact of the diversion tunnel gate failure was the presence of the Shankou Dam, located just downstream from Jilebulake. The Shankou Dam played a crucial role in controlling much of the flooding caused by the rushing water. Its ability to manage the increased water flow helped prevent more extensive damage to the riverbanks and surrounding areas. This incident demonstrated the strategic value of having multiple dam structures along the same river system, as the Shankou Dam provided a secondary line of defense against the unexpected surge from the Jilebulake reservoir.

The November 2013 event remains a notable moment in the operational history of the Jilebulake Dam, illustrating both the risks associated with large-scale hydroelectric projects and the effectiveness of coordinated emergency responses and downstream infrastructure in managing unforeseen challenges. The dam has since continued its primary purpose of hydroelectric power generation, supporting the 160 MW power station.

What are the safety implications of the 2013 incident?

The 2013 filling phase of the Jilebulake Dam presented a critical safety test for the hydroelectric infrastructure on the Haba River. On November 17, 2013, a failure occurred at the diversion tunnel gate while the reservoir was actively filling. This mechanical failure allowed water from the newly formed reservoir to rush downstream, creating an immediate flood threat to communities situated along the river valley in Habahe County. The incident highlighted the vulnerabilities inherent in the initial operational stages of large concrete-face rock-fill dams, particularly regarding the integrity of diversion structures under hydrostatic pressure.

Evacuation and Human Safety

The response to the gate failure prioritized the rapid evacuation of local populations downstream. According to the project records, authorities successfully evacuated residents in the immediate path of the floodwaters. The effectiveness of this evacuation process was evidenced by the absence of fatalities; there was no loss of life reported during the event. This outcome underscores the importance of pre-planned emergency response protocols in hydropower projects located in populated river valleys. The ability to mobilize locals quickly prevented a potential humanitarian crisis despite the sudden release of water from the 146.30 m tall dam structure.

Role of the Shankou Dam

A critical factor in mitigating the downstream impact of the Jilebulake Dam incident was the presence of the Shankou Dam, located just downstream on the same river system. The Shankou Dam played a decisive role in controlling the surge of water released from Jilebulake. By acting as a secondary barrier, it absorbed and regulated the flood volume, preventing uncontrolled flooding further down the Haba River, which is a tributary of the Irtysh. This interaction between the two dams demonstrated the value of coordinated infrastructure planning in mountainous regions like the Xinjiang Uyghur Autonomous Region. The Shankou Dam’s capacity to manage the unexpected inflow limited the geographical extent of the flooding and reduced the duration of the hazard for downstream areas.

The 2013 incident serves as a case study in hydroelectric safety management. It illustrates that while mechanical failures such as diversion gate issues can occur during the commissioning phase, robust evacuation plans and strategic placement of downstream infrastructure can significantly reduce human and material losses. The successful containment of the flood by the Shankou Dam and the effective evacuation of locals ensured that the 160 MW power station project could proceed without long-term disruption to the regional energy supply or the social fabric of Habahe County.

Why it matters

The Jilebulake Dam serves as a critical node in the hydroelectric infrastructure of the Xinjiang Uyghur Autonomous Region, contributing to the energy security of Habahe County and the broader Irtysh river basin. As a 160 MW power station, the facility plays a distinct role in the local energy mix, providing a reliable source of renewable electricity in a region characterized by diverse topography and growing energy demands. The dam’s concrete-face rock-fill design is particularly significant for the area, allowing for efficient construction and operation in the specific geological conditions of the Haba River, a key tributary of the Irtysh. This infrastructure supports the regional grid’s stability, offering a counterbalance to variable energy sources and enhancing the overall resilience of Xinjiang’s power supply network.

Operational Resilience and the 2013 Incident

The operational history of the Jilebulake Dam offers valuable insights into hydroelectric project management and risk mitigation in mountainous terrain. The most notable event in the dam’s early life occurred during the reservoir filling phase in November 2013. This incident highlighted the vulnerabilities inherent in large-scale hydroelectric projects, particularly during the initial commissioning stages where hydraulic pressures and mechanical components are subjected to intense stress.

Despite the sudden release of water, the incident was managed effectively, demonstrating the importance of integrated flood control strategies. The Shankou Dam, located just downstream, played a crucial role in controlling the flooding, absorbing much of the surge and preventing catastrophic damage to local communities. Prompt evacuation of locals downstream ensured that there was no loss of life, underscoring the effectiveness of local emergency response protocols. This event served as a significant lesson for engineers and operators in the region, emphasizing the need for robust gate mechanisms and coordinated downstream infrastructure to handle unexpected hydraulic events. The successful management of the 2013 incident reinforced the value of strategic dam placement and the interconnectivity of hydroelectric facilities in the Irtysh river system.

Regional Infrastructure Context

While specific comparative rankings among all dams in Xinjiang are not detailed in the available grounding, the Jilebulake Dam’s height of 146.30 m and capacity of 160 MW position it as a substantial contributor to the region’s hydroelectric potential. The construction, which began in 2009, reflects the ongoing investment in renewable energy infrastructure in the Xinjiang Uyghur Autonomous Region, aiming to harness the water resources of the Haba River for sustainable power generation. The dam’s operational status since 2013 indicates its successful integration into the regional grid, providing a steady output that supports both local consumption and broader energy distribution in the area. The facility exemplifies the strategic development of hydroelectric resources in China’s western provinces, leveraging natural waterways to enhance energy diversity and reduce reliance on fossil fuels.

Operational Status and Future Prospects

The Jilebulake Dam and its associated hydroelectric power station are currently classified as operational, having commenced its primary filling phase in November 2013. The facility, located on the Haba River in Habahe County, Xinjiang, serves as a key component of the regional energy infrastructure, leveraging the water resources of the Irtysh River tributary system. The power station is rated at a capacity of 160 MW, providing a consistent output of hydroelectric power to the local grid. The concrete-face rock-fill structure stands at a height of 146.30 m (480.0 ft), a design choice that balances structural integrity with the geological characteristics of the Haba River valley. Construction activities, which began in 2009, concluded with the initial reservoir filling, marking the transition from a major civil engineering project to an active energy generation asset. The operational status implies that the dam continues to regulate water flow for power generation, although specific annual output figures or recent performance metrics are not detailed in the primary grounding sources.

Historical Operational Incident

A notable event in the operational history of the Jilebulake Dam occurred during the initial filling period in November 2013. This incident required the evacuation of local populations residing along the Haba River. This event highlights the critical role of downstream infrastructure in managing hydrological risks associated with large dam projects. The successful management of this incident, with minimal human and material loss, demonstrated the effectiveness of the regional flood control strategy involving the coordination between the Jilebulake and Shankou dams. The diversion tunnel gate failure remains a key case study in the operational risks of concrete-face rock-fill dams during their initial commissioning phases.

Future Prospects and Maintenance

Information regarding future expansions or specific long-term maintenance plans for the Jilebulake Dam is limited in the available grounding data. The primary focus of the project has been the establishment of the 160 MW power station and the stabilization of the reservoir. As with many hydroelectric facilities, ongoing maintenance likely involves the inspection of the concrete face, the rock-fill core, and the mechanical components of the power station. The dam's role in the broader Irtysh River basin management may also influence future operational adjustments, particularly in terms of water allocation between power generation and downstream ecological or agricultural needs. However, without explicit data on planned upgrades or capacity enhancements, the current operational profile remains centered on the initial 160 MW output. The integration of the Jilebulake Dam into the Xinjiang Uyghur Autonomous Region's energy mix continues to support the region's reliance on hydroelectric power, complementing other energy sources in the area. Future developments would likely depend on broader regional energy policies and the performance of the dam over time.

See also