Solar Cooking
Last edited: 12 February 2021      

A traveling solar crêperie nourishes festival-goers while raising awareness about solar cooking.

ULOG Freiburg sells complete solar ovens and solar food dryers in various sizes and assembly kits. Courses on the construction of their products can be organised on demand. They offer workshops, lectures and school projects around the globe.

The company does not promote solar energy at any cost, but where it makes most sense. At the invitation of organisations in other countries, they send a senior expert to hold workshops on solar oven and solar dryer construction or train craftsmen on the calculation and construction of solar kitchens: technology transfer should be fair.

However, technology transfer alone does not solve all problems. Every project needs to be adapted to the social and environmental uniqueness of each area if it is to be sustainable. ULOG Freiburg's activities have sown the seeds for change in many countries covering the continents of Europe, Africa, Asia and South America.


  • July 2009: Ulrich Oehler's pioneering work in the 1980s inspired a wave of Swiss solar cooking promoters. For many years, Oehler’s house in Basel even served as the country’s main solar cooker information center, maintained by the ULOG group. From 1997 to 2007, the Centre Neuchâtelois de Cuisine Solaire (CNCS) in the small town of Neuchâtel served as the country’s information hub. Visitors could see a variety of solar cooker models or ask questions of the centre’s leader, Michael Götz. In addition to this resource, ULOG group and GloboSol maintain a travelling solar crêperie in which they prepare solar pancakes for music festivals and ecology fairs throughout Switzerland. 2008 was a year of changes and new opportunities. The information center moved to a prominent location in the international city of Geneva. Götz is thrilled with the location. “Finally we have a room with a shop-window, only a few steps from Geneva’s train station!” Alain Cassani, Annick Steiner, and Yves Ronchetti of the association Solemyo manage the shop and information center, conduct solar cooker construction trainings, and schedule solar crêperie events, while Götz, operating as ExSol, works on consulting, education, technical development, and other projects.

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Email: sunInside
Tel: +49-761-5192443

See Rolf Behringer.