Yebatan Hydropower Station

Overview

The Yebatan Hydropower Station is a major hydroelectric powerplant located in China, representing a significant development in the country's renewable energy infrastructure. It is distinguished as the hydropower project with the largest installed capacity in the upper reaches of the Jinsha River, marking a key milestone in the exploitation of the river's hydrological potential. The facility is strategically positioned at the geographical junction of Baiyu County in Sichuan Province and Konjo County in the Tibet Autonomous Region, leveraging the topographical features of this border area for energy generation.

As of 2025, the station is listed as commissioned, with an operational status noted as under_construction in some records, indicating ongoing finalization or expansion phases. The plant has a total capacity of 2240 MW, utilizing water as its primary fuel and energy source. This substantial capacity underscores its role in the regional power grid, contributing significantly to the energy output of the upper Jinsha River basin. The project's scale and location highlight the complex engineering and logistical considerations required to develop large-scale hydropower in the diverse terrain of southwestern China.

Why it matters

The Yebatan Hydropower Station represents a significant expansion of China’s renewable energy infrastructure, distinguished as the hydropower project with the largest installed capacity in the upper reaches of the Jinsha River. Located at the strategic junction of Baiyu County in Sichuan Province and Konjo County in the Tibet Autonomous Region, the facility is designed to harness the substantial hydrological potential of this critical river basin. With a total installed capacity of 2240 MW, the station plays a pivotal role in consolidating the Jinsha River’s status as a primary corridor for China’s energy transition, linking the resource-rich western highlands with national grid demands.

Scale of Investment and Strategic Importance

The financial commitment to the Yebatan project underscores its strategic value within the national energy portfolio. The total investment for the station amounts to ¥ 33.36 billion. This capital outflow reflects the complex engineering requirements of constructing major infrastructure in the geographically challenging terrain where Sichuan and Tibet converge. The Jinsha River basin has long been identified as a key area for energy development, and the completion of Yebatan enhances the region’s ability to deliver consistent, large-scale power generation.

The project’s operational status is currently under construction, with the facility scheduled to be commissioned in 2025. This timeline positions Yebatan as a contemporary addition to China’s hydropower fleet, contributing to the diversification of energy sources and the stabilization of regional power supplies. The integration of such a high-capacity plant into the upper Jinsha River system supports broader national goals for renewable energy integration and grid reliability.

The strategic importance of the Jinsha River basin extends beyond immediate power generation. It serves as a vital artery for China’s western development, facilitating economic growth through improved energy access and infrastructure. The Yebatan Hydropower Station, by virtue of its scale and location, exemplifies the ongoing efforts to optimize the region’s natural resources. Its development aligns with the broader narrative of China’s energy infrastructure evolution, emphasizing the shift towards large-scale hydroelectric projects in the upper reaches of major river systems.

Technical specifications

The Yebatan Hydropower Station represents the largest installed capacity project in the upper reaches of the Jinsha River. The facility is situated at the geographic junction of Baiyu County in Sichuan Province and Konjo County in the Tibet Autonomous Region. As of 2025, the station is classified as under construction, with a total installed capacity of 2240 MW. This capacity equates to 2.24 million kilowatts, establishing it as a major energy infrastructure asset in the region. The project utilizes water as its primary energy source, harnessing the hydraulic potential of the Jinsha River to generate electricity.

Dam Structure and Design

The core structural component of the Yebatan Hydropower Station is the Yebatan Arch Dam. This dam has a maximum height of 217 meters. The choice of an arch dam design is a critical engineering decision tailored to the specific geographic and topographic conditions of the site. Arch dams are particularly effective in narrow, steep-sided valleys, which characterize the upper Jinsha River region where Sichuan Province meets the Tibet Autonomous Region. The arch shape allows the structure to transfer the hydrostatic pressure of the water laterally into the abutments of the valley walls, providing stability and efficiency in high-elevation terrain.

The 217-meter height of the dam is significant for the hydraulic head it generates, which directly influences the power output of the turbines. This structural height supports the station's capacity of 2240 MW. The arch design minimizes the volume of concrete required compared to gravity dams, which is advantageous in the remote and logistically complex environment of the Jinsha River's upper reaches. The dam's location at the county junction of Baiyu and Konjo further underscores the strategic placement to maximize the river's flow and elevation drop.

Construction history

The development of this major energy infrastructure required extensive planning and regulatory approval before physical construction could commence. The project is situated at the strategic junction of Baiyu County in Sichuan Province and Konjo County in the Tibet Autonomous Region, leveraging the significant hydraulic head of the Jinsha River to generate power.

Formal authorization for the project was secured in November 2016, when the National Development and Reform Commission granted official approval. This regulatory milestone cleared the path for mobilization of resources and engineering teams to the site. Following the commissioning approval, the official start of construction was marked on June 27, 2017. This date signified the transition from preliminary site preparation to active structural development, initiating a multi-year phase of civil engineering works necessary to harness the river's flow.

A critical early milestone in the construction sequence occurred on March 30, 2019, with the successful interception of the upstream cofferdam. The cofferdam interception is a vital engineering achievement that allows for the partial diversion of the river, creating a drier work environment for the foundation and main dam structure. This event demonstrated the progress of the initial civil works and set the stage for subsequent phases of turbine installation and reservoir filling.

Construction Milestones

What is the expected operational timeline?

The Yebatan Hydropower Station is currently classified as being under construction, with a significant operational milestone targeted for the near term. The project is designed to deliver a total installed capacity of 2240 MW, establishing it as the hydropower project with the largest installed capacity in the upper reaches of the Jinsha River. This substantial capacity figure underscores the strategic importance of the facility within the regional energy infrastructure of China. The station is situated at the geographical junction of Baiyu County in Sichuan Province and Konjo County in the Tibet Autonomous Region, a location chosen to optimize the hydrological potential of the Jinsha River's upper reaches.

According to the provided operational data, the commissioning of the facility is scheduled for 2025. This date marks the expected transition of the plant from a construction site to an active energy producer. The timeline indicates that the first generating unit is projected to be operational by 2025, initiating the power generation phase for this major infrastructure project. The achievement of this commissioning date represents the culmination of the initial construction phases, which involve the development of the dam structure, the installation of turbine-generator sets, and the integration of transmission lines necessary to feed the 2240 MW output into the national grid.

The construction leading up to the 2025 milestone involves complex engineering challenges inherent to high-altitude hydroelectric projects in the Sichuan-Tibet border region. The location at the junction of Baiyu County and Konjo County requires coordinated logistical efforts across two major administrative regions. The project's status as the largest capacity installation in the upper Jinsha River highlights its role in expanding renewable energy sources in the region. The operational timeline focuses on the 2025 commissioning as the primary marker for the start of electricity generation. As the plant moves through its construction phases, the focus remains on meeting the 2025 target to bring the first units online. The successful commissioning in 2025 will validate the construction schedule and begin the long-term operational life of the Yebatan Hydropower Station.

Geographic and administrative context

The Yebatan Hydropower Station is situated at the strategic confluence of Baiyu County in Sichuan Province and Konjo County in the Tibet Autonomous Region, positioning it within the upper reaches of the Jinsha River. This specific geographic location defines the project’s administrative and logistical framework, as the facility straddles the provincial boundary between two major Chinese administrative divisions. The Jinsha River, a critical tributary of the Yangtze River system, provides the primary water source for this hydroelectric_powerplant, which is currently under_construction with a designed capacity of 2240 MW. The choice of this site reflects the hydrological potential of the upper Jinsha basin, which is recognized for its significant installed capacity potential among regional hydropower projects.

Administrative and Regional Context

The division of the site between Baiyu County and Konjo County introduces distinct administrative considerations for the Yebatan Hydropower Station. Baiyu County, located within Sichuan Province, and Konjo County, part of the Tibet Autonomous Region, represent two different provincial jurisdictions that must coordinate on infrastructure development, land use, and environmental management. This cross-provincial location is characteristic of major energy infrastructure projects in southwestern China, where river basins often transcend administrative borders. The operational status of the plant as under_construction indicates that these administrative frameworks are actively managing the integration of the facility into the regional energy grid, with a commissioning date targeted for 2025.

Geographic Challenges and Advantages

The upper reaches of the Jinsha River present both significant geographic advantages and challenges for hydropower development. The steep gradients and substantial flow of the Jinsha River in this region offer high hydraulic head and consistent water volume, which are critical for maximizing the efficiency of the 2240 MW installed capacity. The location at the junction of two counties allows for optimal dam placement to capture the river’s energy potential before it descends further into the Sichuan Basin. However, the rugged terrain typical of the Sichuan-Tibet border region poses logistical challenges for construction and maintenance. The remote nature of Baiyu and Konjo Counties requires extensive infrastructure development to support the under_construction phase of the Yebatan Hydropower Station. These geographic factors influence the engineering design and operational planning, ensuring that the facility can effectively harness the water resource while navigating the complex topography of the upper Jinsha River basin.

Economic impact and investment

The development of the Yebatan Hydropower Station represents a significant capital commitment to China’s renewable energy infrastructure, with total investments reaching ¥ 33.36 billion. This financial scale underscores the project’s status as a cornerstone asset within the upper reaches of the Jinsha River basin. The capital expenditure reflects the complex engineering requirements necessary to harness the hydrological potential at the strategic junction of Baiyu County in Sichuan Province and Konjo County in the Tibet Autonomous Region. Such a substantial investment is directed toward establishing the largest installed capacity in this specific river segment, aiming to optimize energy output from the water source.

For the local economies of Sichuan and Tibet, the infusion of ¥ 33.36 billion generates immediate and long-term fiscal impacts. The construction phase, leading up to the commissioned status in 2025, drives demand for local labor, materials, and logistical services, thereby stimulating regional economic activity in these often remote administrative areas. The operational phase is projected to enhance local revenue streams through taxation and potential power purchase agreements, providing a stable economic anchor for Baiyu and Konjo counties. This financial injection supports infrastructure development and public service improvements in the border regions, leveraging the hydropower project as a catalyst for broader socio-economic growth.

On a broader scale, the Yebatan Hydropower Station strengthens the resilience and capacity of the regional energy grid. By adding substantial generation capability to the Jinsha River corridor, the project contributes to the stability of power supply for both the Sichuan and Tibet grids, facilitating more efficient energy transmission to downstream provinces. The investment aligns with national strategies to diversify the energy mix with reliable renewable sources, reducing dependency on thermal generation in the upper Yangtze basin. The successful commissioning in 2025 marks a critical milestone in integrating high-capacity hydro assets into the national power network, enhancing energy security and supporting the transition toward a more sustainable electricity infrastructure.

See also

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• Tengger Desert Solar Park: Technical Profile and Operational History