India’s hydropower capacity poised to post 50% jump: Ministry of Power

New Delhi: Hydroelectric power projects with an aggregate capacity of 15 GW are under consruction in the country, which will increase the hydro capacity by more than 50 per cent from 42 GW to 67 GW by 2031-32, the Ministry of Power said on Friday.

The Indian Meteorological Department (IMD) has predicted higher rainfall in the current financial year. Further, hydropower projects located in the Himalayan region get base flow from the melting snow and any rise in temperature will increase the flow from this source, the Ministry said. Moreover, given the ongoing energy transitions in the country, the development of Pumped Storage Projects (PSPs) assumes importance for providing greater inertia and balancing power to the grid.

PSPs are also known as ‘the Water Battery’, which is an ideal complement to modern clean energy systems. Currently, PSPs with an aggregate capacity of 2.7 GW are under construction in the county and another 50 GW is under various stages of development. It is projected that PSP capacity shall increase from 4.7 GW to around 55 GW by 2031-32, the official statement said.

According to the ministry, the fall in hydropower generation in 2023-24 as compared to 2022-23 cannot be attributed solely to less rainfall. In the southern region, which contributes approximately 22% of the total hydro energy generated, low rainfall has indeed played a role.

However, the hydroelectric power projects in Northern and Eastern regions, comprising over 60% of total hydro energy generation, have been severely impacted by natural disasters in 2023-24. In July 2023, Himachal Pradesh experienced flash floods, disrupting the operation of many power stations in the area. Besides, flash floods in the Eastern region in October 2023 have further hindered the operation of several hydropower stations, thus affecting the generation severely.

While the lightest rainfall since 2018 resulted in reduced water levels in a few reservoirs, the government is reasonably optimistic about the future.

The IMD prediction of a good monsoon in FY 2024-25 suggests a potential reversal of the trend. This anticipated increase in rainfall could contribute to the replenishment of reservoir capacities that were lost during the scarce rainfall in the previous year.

India is in the midst of an energy transition, marked by significant additions of solar and wind power to the current energy mix. Further, power from solar energy is available during the time of the day that does not coincide with the peak power demand. Hydroelectric power has always played a significant role in the energy landscape of the country, providing essential peaking support to the electricity grid, thus enhancing the reliability and resilience of the power system.

The development of hydropower projects has been marred by various issues such as natural calamities, geological surprises and contractual disputes, which have resulted in slower hydro capacity addition in recent years.

Nevertheless, aligning with the ambitious targets set forth by India in the Nationally Determined Contributions (NDC) under the COP Paris Agreement, which are aimed at reducing emissions intensity of GDP by 45% from 2005 levels by the year 2030 and achieving 50% of installed electric power capacity from non-fossil-fuel sources by the year 2030, the government has adopted a proactive stance towards hydropower development, striving for accelerated progress, the official statement added.  (IANS)

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