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Small Hydro Power Programme |
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IntroductionHydropower is a renewable, non-polluting and environmentally benign source of energy. It is perhaps the oldest renewable energy technique known to the mankind for mechanical energy conversion as well as electricity generation.Hydropower represents use of water resources towards inflation free energy due to absence of fuel cost with mature technology characterized by highest prime moving efficiency and spectacular operational flexibility. Out of the total power generation installed capacity of 1,34,942 MW (July,2007) in the country, hydro power contributes about 25% i.e. 33,711 MW.
Hydro Power Project Classification Hydro power projects are generally categorized in two segments i.e. small and large hydro. In India, hydro projects up to 25 MW station capacity have been categorized as Small Hydro Power (SHP) projects. While Ministry of Power, Government of India is responsible for large hydro projects, the mandate for the subject small hydro power (up to 25 MW) is given to Ministry of New and Renewable Energy.Small hydro power projects are further classified as
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Small Hydro Power ProgrammeSmall Hydro Power ( SHP) Programme is one of the thrust areas of power generation from renewable in the Ministry of New and Renewable Energy. It has been recognized that small hydropower projects can play a critical role in improving the over all energy scenario of the country and in particular for remote and inaccessible areas. The Ministry is encouraging development of small hydro projects both in the public as well as private sector. Equal attention is being paid to grid-interactive and decentralized projectsAim: The Ministry’s aim is that out of the total grid interactive power generation capacity that is being installed, 2% should come from mini/ small hydro. The focus of the SHP programme is to lower the cost of equipment, increase its reliability and set up projects in areas which give the maximum advantage in terms of capacity utilisation. Potential: An estimated potential of about 15,000 MW of small hydro power projects exists in India. Ministry of New and Renewable Energy has created a database of potential sites of small hydro and 4096 potential sites with an aggregate capacity of 10,071 MW for projects up to 25 MW capacity have been identified.
State-wise details of the identified / future sites
Identification of new potential sites and strengthening of database for already identified sites is an ongoing process. In this direction, the Ministry is giving financial support to state governments/ agencies for identification of new potential SHP sites & preparation of state perspective plan. Further, a comprehensive resource assessment for all the renewable energy sources including small hydro and mapping of potential sites/locations on a GIS platform is receiving utmost attention. The aim is to map renewable energy potential in the country and bring it on a GIS platform with information necessary to take investment decisions to set up projects. Computer models have been developed that takes into account the regional flow duration curves, geological and seismological data, vegetation cover etc. for identification of potential sites. Software packages have been developed incorporating regional hydrological models to enable users to rapidly estimate the hydropower potential and other salient features of potential sites. |
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Small hydro installed capacity and progress The total installed capacity of small hydro power projects (upto 25 MW) as on 31.03.2007 is 1975 MW from 602 projects and 219 projects with aggregate capacity of 650 MW are under construction. State-wise details of the installed/under installation projects
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