The lack of electricity in rural areas makes it difficult for fishermen and farmers in Africa to preserve or refrigerate their products. This reduces their income and threatens food security. As a result, up to 30 percent of food spoils on its way to the market. In the SolCoolDry project, funded by the German Federal Agency for Agriculture and Food (BLE), the Fraunhofer Institute for Solar Energy Systems ISE, together with the company Innotech Ingenieursgesellschaft mbH and Kenyan partners, has developed a system