SES, Arizona (USAS) have been set up in 1996, and have developed a Concentrated Solar system (CSP) existing from a parabola with in the fire point stirling engine. With such a system sunlight can be converted on a very efficiente wise way into electricity. THE SES system is particularly interesting for local arousing electricity in rural areas. By combining system SES with an electricity network a village can be provided with durable elektricity and become foresee against a price by kWh which lies considerably lower than the price of other durable energy sources (among other things solar panels). NOTS has contact with SES to apply SES systems in developing countries.