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Rolf Behringer

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During the last decades several organisations implemented many projects trying to introduce solar cookers in domestic households. Experience shows that not only private households can profit from solar cookers but also small busnisses that use solar energy to produce any food product. This example shows a small bakery in the North of Namibia. In May 2003 a Solar Stove was developed in Germany in order to produce 24 loaves at once. In September a second stove was built in Namibia and is used since that time. The small scale bakery is able to bake up to 100 breads a day or about 300 little fish tin rolls. Meanwhile the system was built in India and in Burkina Faso in 2006.

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During the last decades several organisations implemented many projects trying to introduce solar cookers in domestic households. Experience shows that not only private households can profit from solar cookers but also small busnisses that use solar energy to produce any food product. This example shows a small bakery in the North of Namibia. In May 2003 a Solar Stove was developed in Germany in order to produce 24 loaves at once. In September a second stove was built in Namibia and is used since that time. The small scale bakery is able to bake up to 100 breads a day or about 300 little fish tin rolls. Meanwhile the system was built in India and in Burkina Faso in 2006. Solar-Trough-Baking-Oven Germany - Lesotho A Technology Development cooperation between Sunsational Cookers Limited and the Bethel Business and Community Development Centre in Lesotho, supported by GloboSol. Solar Cookers have been deployed in developing countries to alleviate poverty and fight deforestation. The solar cookers have been mainly used for household purposes and are designed to be versatile and flexible. Designing a solar cooker for a specific purpose increases its efficiency. The Solar-Trough-Baking-Oven (STBO), as constructed by Mr. Ivan Yaholnitsky in Lesotho, has proven itself to be an efficient tool to implement in villages where bread forms a major part of the regions diet. Our aim is to improve the STBO and to provide a construction and implementation-manual. See also Solar restaurants and bakeries. Since June 2005 the device as depicted above has been in operation at the Bethel Business and Community Development Centre in Lesotho. * Manual mixing * Loaves (1000g) & 24 Cinnamon Buns * Machine dough mixing * 24 – 40 Loaves (1000g) “Baking bread is hard work”, but even with manual dough mixing, an income double that of the statutory minimum wage could be achieved. Based on observations made by Mr. Yaholnitsky we would like to improve the STBO following the criteria: * Materials should be locally attainable * Easy construction * STBO should be user friendly * Use of lighter material * Isolating the tube against convective losses thereby increasing resiliance against sporadic cloud cover * Solar tracking device: PV and mechanical * A construction manual will be written in English, including a tutorial on basic accounting and business practice. Updated information following soon.