Mizoram is undertaking a significant initiative to advance its energy self-reliance with the announcement of a 2,400 MW pumped storage hydroelectric power project in Hnahthial district. The project was officially announced by Chief Minister Lalduhoma on October 10 during the general conference of the Mizo Students' Union (MSU) held in Hnahthial town. This initiative reflects the state’s strategic focus on boosting local power production, reducing dependency on imported electricity, and strengthening energy security to meet the growing electricity demands of the state.
The proposed hydroelectric plant is planned to be constructed across Darzo Nallah, a tributary of the Tuipui River. The site has been identified as suitable for a pumped storage facility, which will significantly contribute to the state’s power grid. The project is designed as an on-stream closed-loop pumped storage plant, comprising eight generating units of 300 MW each. Such a design allows water to be pumped to an elevated reservoir during periods of low electricity demand and released through turbines during peak demand, efficiently balancing electricity supply and demand. The plant is expected to generate approximately 4,993.20 million units annually, with an impressive plant availability of 95 per cent. This high capacity and operational efficiency will play a pivotal role in meeting the state’s expanding electricity needs and will provide a more stable and reliable power supply.
Financially, the project has been estimated at a total cost of Rs 13,947.50 crore. To support the initiative, 10 per cent of the project’s funding will come from the Centre under the Gross Budgetary Support (GBS) scheme. Additionally, the state government has earmarked Rs 285 crore to construct a 132 kV transmission line, which will strengthen the power infrastructure and improve electricity distribution in Hnahthial district. These investments are indicative of the state’s commitment to modernizing its energy infrastructure and ensuring the efficient delivery of electricity to consumers.
Mizoram currently relies heavily on electricity imports, particularly from neighboring Tripura, which costs the state approximately Rs 400 crore annually. This dependency on external sources not only imposes a financial burden but also makes the state vulnerable to external supply disruptions. The new pumped storage hydroelectric plant is expected to significantly reduce this dependency, providing a large portion of the state’s electricity requirements locally. By generating a substantial portion of its power internally, Mizoram can enhance energy security, stabilize electricity supply, and potentially lower costs for consumers and industries alike.
The project also aligns with broader environmental and energy sustainability goals. Hydroelectric power is a renewable energy source that does not rely on fossil fuels, helping to reduce greenhouse gas emissions and promote clean energy adoption. The pumped storage design adds flexibility to the grid, allowing the state to integrate other renewable sources, such as solar and wind, more effectively by storing excess energy for use during peak periods.
Moreover, the development of this large-scale hydroelectric project is expected to have significant economic and social benefits for Mizoram. It will create employment opportunities during construction and operational phases, contribute to regional development, and support local industries by providing reliable and affordable power. The enhanced energy infrastructure will also attract further investment in industrial and commercial sectors, boosting the overall economic growth of the state.
In conclusion, Mizoram’s 2,400 MW pumped storage hydroelectric project in Hnahthial district represents a landmark step towards energy self-reliance, sustainability, and economic development. With substantial generation capacity, modern infrastructure, and strategic planning, the project will reduce reliance on electricity imports, strengthen energy security, support local economic growth, and contribute to the state’s long-term development goals. This initiative underscores the government’s commitment to harnessing local resources effectively while promoting a reliable, efficient, and sustainable power system for Mizoram’s future.