📖 Samacheer Kalvi · SSLC - English Medium · Social Science · Page 179question

4.2   Energy Resources · Part 4

Chapter 5: Chapter 4 · Social Science

. Later atomic reactors were installed at Rawatbhata ( MW), near Kota in Rajasthan ( MW), Kalpakkam ( MW) and Kudankulam ( , MW) in Tamil nadu and Narora ( MW) in Uttar Pradesh, Kaiga in ( MW) in Karnataka and Kakarapara ( MW) in Gujarat. The Nuclear Power Corporation of India Limited (NPCIL) is an Indian public sector undertaking based in Mumbai, Maharashtra. It is wholly owned by the Government of India and is responsible for the generation of nuclear power for electricity.

Renewable Energy Resources a) Hydropower Power generated from water is termed as hydroelectricity. Hydropower is the energy harnessed from running water. Hydropower is considered as one of the most economic and non-polluting sources of energy. It contributes nearly % of global electricity production.

The cost of production of hydroelectricity is relatively low, making it a competitive source of renewable energy. It is also a flexible mode of power generation as the quantity of production can either be increased or decreased very quickly adapting to changing demands. The first hydro-electric power station in India was established at “Darjeeling” in . National Hydroelectric Power Corporation is located Faridabad (Haryana) in India.

b) Solar Energy Solar energy is a non-conventional energy obtained by the conversion of sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power (CSP). Concentrated solar power systems use lenses or mirrors and tracking system to focus a large area of sunlight into a small beam. Photovoltaics convert light into an electric current using the photovoltaic effect. Solar Energy Corporation of India Limited is a Government of India Enterprise.Its head quarter is located at New Delhi.

The mass objectives of the solar thermal energy programme, being implemented by the Ministry of Non-Conventional Energy Source (MNES) are market development, commercialisation and utilisation of heat energy requirement of different applications in domestic, institutional and industrial sectors. Solar power is used in water heaters, refrigerators, drying, street lighting, cooking, pumping, power generator, photovoltaic cells, salon parts etc. Andhra Pradesh, Gujarat, Rajasthan, Maharashtra and Madhya Pradesh are the major solar power producers. c) Wind Energy Wind energy

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