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The Arunachal Pradesh government has signed an agreement with Greenko Demwe Power Ltd for the development of the 1,750 MW Demwe Lower Hydroelectric Project on the Lohit river near Parasuram Kund and Brahma Kund. The project is among the largest hydropower partnerships involving a private developer in the state. Planned with six generating units, the project is expected to produce around 7,326 million units of electricity annually. The development will include major dam, reservoir and tunnel infrastructure and is also expected to support employment, connectivity and economic activity in the region.
The Arunachal Pradesh government signed an agreement with Greenko Demwe Power Ltd for the development of the 1,750 MW Demwe Lower Hydroelectric Project, according to an official statement issued during the past week. Advertisement
The project is being developed on the Lohit river near Parasuram Kund and Brahma Kund in Arunachal Pradesh. Officials said the agreement represents one of the biggest hydropower collaborations undertaken in the state with participation from a private sector developer.
The hydropower project will include five generating units of 342 MW each and an additional 40 MW unit. Once operational, the project is expected to generate nearly 7,326 million units of electricity every year, contributing to India’s long-term energy requirements and renewable power capacity expansion.
Authorities stated that the location has strategic connectivity through Dibrugarh airport and Tinsukia railway station in Assam, which is expected to support transportation, logistics and project execution activities during different stages of development.
The project has been planned as a large-scale engineering and infrastructure development initiative. According to the statement, the concrete gravity dam will have a maximum height of 163.12 metres above the deepest foundation level and a crest length of 474.35 metres.
At full reservoir level, the storage capacity is expected to reach 516.38 million cubic metres, while the water spread area will cover nearly 1,131 hectares. The design also includes a spillway system featuring surface ogee and sluice spillways equipped with multiple gates for flood discharge management.
The hydropower infrastructure will include six diversion tunnels, underground pressure shafts and a large surface powerhouse to be located on the right bank of the Lohit river. The powerhouse has been designed with Vertical Francis Turbines operating at a design head of 112 metres and a discharge capacity of 1,729 cumecs.
Arunachal Pradesh has been pushing hydropower development over the past few years as part of its broader energy and infrastructure plans. The state has significant untapped hydropower potential and several projects across river basins have either been revived or awarded for development in recent years.
Source PTI
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