The more the sun shines in the Bavarian town of Aurach, the more useless Jens Husemann's solar panels become. Husemann, who runs an energy conversion business near Munich, also owns a sprawling photovoltaic system on the flat roof of a transport company in Aurach. But in sunny weather, the power lines needed to transport the electricity produced by the panels are becoming overloaded -- leading the grid operator to cut off their supply. IMAGES AND SOUNDBITES