Overview

The Kopili Hydro Electric Project is an operational hydroelectric power plant situated in the Dima Hasao district of Assam, India. The facility harnesses the hydraulic potential of the Kopili river and its tributary, the Umrong stream, to generate electricity for the northeastern region. With a total installed capacity of 275 MW (equivalent to 369,000 hp), the project represents a significant infrastructure asset in the state's energy matrix. The plant was commissioned in 1984 and has been developed and operated by the North Eastern Electric Power Corporation Limited (NEEPCO) since its inception.

Geographically, the project is anchored in the Dima Hasao district, leveraging the natural flow of the Kopili river system. The integration of the Umrong stream as a key tributary enhances the water availability for power generation, ensuring consistent operational output. As a hydroelectric facility, the project relies on water as its primary fuel source, converting the kinetic energy of flowing water into electrical power through standard hydro-mechanical processes. The location within Assam places it within a strategic corridor for energy distribution across the northeastern states.

The operational significance of the Kopili Hydro Electric Project extends beyond the immediate boundaries of Assam. The electricity generated by the plant benefits a broad regional network, including the Indian states of Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland, and Tripura. This wide-reaching impact underscores the project's role in stabilizing the power supply for multiple states in the northeast, contributing to regional energy security. The North Eastern Electric Power Corporation Limited manages the day-to-day operations, maintenance, and output optimization of the facility, ensuring that the 275 MW capacity is effectively utilized to meet regional demand.

How does the Kopili Hydro Electric Project work?

The Kopili Hydro Electric Project operates as a significant hydroelectric facility with an installed capacity of 275 megawatts (369,000 hp). The plant is situated on the Kopili river and its tributary, the Umrong stream, within the Dima Hasao district of Assam state in India. It is developed and operated by the North Eastern Electric Power Corporation Limited.

Water Sources and Infrastructure

The project relies on the natural flow of the Kopili river and the Umrong stream as its primary water sources. These water bodies feed into the hydroelectric system to drive the power generation process. The infrastructure includes dams and reservoirs that manage the water flow from the Kopili river and the Umrong stream. The specific engineering details of the run-of-the-river design and the roles of the Khandong and Umrong dams are integral to the project's operation, utilizing the water from these sources to generate electricity.

Regional Impact

The Kopili Hydro Electric Project is an important energy asset for northeastern India. Its operational status is currently active, having been commissioned in 1984. The plant supports the power needs of multiple states in the region, highlighting its strategic importance in the local energy infrastructure. The North Eastern Electric Power Corporation Limited manages the development and ongoing operation of the facility, ensuring its contribution to the regional power grid.

What are the specifications of the Kopili power stations?

The facility serves as a critical energy source for the northeastern Indian states of Assam, Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland, and Tripura.

Project Stages and Technical Specifications

While the total installed capacity is 275 MW (369,000 hp), the project is structured into distinct stages to manage the hydraulic head and flow from the Kopili river and Umrong stream. The infrastructure includes tunnels to convey water from the reservoir to the power house, optimizing the potential energy conversion process.

Parameter Detail
Total Capacity 275 MW (369,000 hp)
Operator North Eastern Electric Power Corporation Limited (NEEPCO)
Location Dima Hasao district, Assam, India
Water Sources Kopili river and Umrong stream
Commissioning Year 1984
Status Operational

The project's design leverages the topography of the Dima Hasao district to generate power efficiently. The Kopili river and the Umrong stream provide the necessary water flow, which is channeled through tunnels to the turbine halls. The specific turbine types and detailed tunnel dimensions are integral to the 275 MW output, though the primary technical identifier remains the total megawatt capacity and the hydraulic sources. The facility continues to be a significant contributor to the regional power grid, supporting multiple states in the northeastern corridor of India.

Why it matters

The Kopili Hydro Electric Project serves as a critical energy infrastructure asset for the northeastern region of India. As a 275 MW facility, it provides a substantial baseload power supply to a geographically diverse and often energy-deficient zone. The project’s significance extends beyond its immediate location in the Dima Hasao district of Assam. It functions as a shared resource for multiple states in the northeast, enhancing regional energy security and supporting economic development across state borders.

Regional Energy Distribution

The electricity generated by the Kopili project benefits a wide array of northeastern states. According to project documentation, the states of Assam, Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland, and Tripura all derive advantages from this hydroelectric installation. This broad distribution network highlights the project’s role as a unifying energy source for the region. It helps stabilize the power grids of these states, which often face challenges related to transmission infrastructure and seasonal variability in power generation.

For states like Arunachal Pradesh and Mizoram, which have significant hydro potential but varying levels of development, the Kopili project offers a reliable source of imported power. This reduces dependency on long-distance transmission from central or southern India, thereby lowering transmission losses and improving voltage stability. The project thus plays a strategic role in the energy mix of the northeastern grid, complementing other local hydro and thermal sources.

Operational and Economic Impact

Operated by the North Eastern Electric Power Corporation Limited, the project has been a consistent contributor to the regional power sector since its commissioning in 1984. Its long-term operational history provides a stable revenue stream and employment opportunities in the Dima Hasao district. The economic impact is felt through local procurement, maintenance activities, and the steady flow of electricity that supports industrial and residential consumption in the beneficiary states.

The project’s location on the Kopili river and its tributary, the Umrong stream, allows for efficient water utilization for power generation. This hydrological setup ensures that the plant can maintain a relatively consistent output, which is crucial for balancing the load in the northeastern grid. The 275 MW capacity represents a significant chunk of the installed hydro capacity in the immediate vicinity, making it a key node in the regional energy infrastructure. Its continued operation is vital for meeting the growing energy demands of the northeastern states, supporting both household consumption and industrial growth in the region.

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