Solar street lighting
Light Emitting Diode (LED) solar lights is emerging as an alternative to the grid powered conventional street lighting systems in rural areas because of their superiority in energy effi ciency, lumen depreciation,
Akshay Urja
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Solar energy development in Ladakh
The Ladakh Ecological Development Group or LEDeG for short is an NGO (non-governmental organization), which came into being in 1983, and has been actively involved in awareness generation programmes related to the environment and sustainable development. LEDeG is a firm believer in being a real practitioner of alternate energy technologies like solar PV (photovoltaic).
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Support schemes for renewable energy: the case for feed-in tariffs
The promotion of renewable energy is in line with India
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Handing power to the villages
A new revolutionary, renewable and clean energy product is showing the light, quite literally in many rural homes. The Kisan Torches and Lanterns manufactured by the Freeplay Energy Group and distributed by IFFCO (Indian Farmers Fertiliser Cooperative Ltd) need no batteries, no kerosene, no electricity and come with a very long shelf life including one year warranty.
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Providing affordable solar systems to people: Zara Solar, Tanzania
Tanzania has one of the lowest rates of electrifi cation in the world. Zara Solar and its sister company Mona-Mwanza Electrical & Electronics both based in Mwanza provide high-quality, aff ordable PV systems in Northern Tanzania. Zara Solar is a rapidly growing business that uses a network of self-employed technicians to reach out to the remote rural areas.
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Biogas the how and where
Biogas represents an alternative source of energy, derived mainly from organic wastes. In India, the use of biogas derived from animal waste, primarily cow dung, has been promoted for over three decades now. According to the 1997 Livestock Census, the cattle population in the country is about 290 million.
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Bioethanol production from biomass
Lignocellulosic biomass is the most abundant renewable resource on earth. Lignocellulosic materials, including wood, grass, forest residues, agricultural residues, pulp and paper mill wastes, and municipal solid wastes can be used for bioethanol production. Among these resources, agricultural residues, such as sugarcane bagasse, dominate in terms of tonnage and can serve as feedstock.
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Multipurpose solar oven
Solar drying and cooking are a feasible proposition in most
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Development of renewable energy technologies in India: The role of BHEL
BHEL (Bharat Heavy Electricals Ltd)realized the importance of renewable energy sources as early as in the 1980s development, manufacture, and supply of a range of renewable energy products and systems. BHEL developed a range of renewable energy products and systems.
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Bringing the sun alive at night: Solar-powered advertising
The use of solar energy is now moving into new frontiers, some as varied as illuminating the billboards. Perhaps the sun is becoming brighter as the day progresses more so in the rural landscapes and lately within the urban ambiences too. The moot question that remains is whether there is a compulsive need to use solar energy for urban uses like advertising?
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Design of solar dryer with turboventilator and fireplace
The author has been using solar dryers for food processing especially for making amla candy, for the last five years. Solar dryer is an innovative design with combined draught, natural and induced with fan.