The power plant of the BTB brings ecological energy to the Science-Park Adlershof. Around the water reservoirs there are rings with RGB-LEDs installed. The installation show, how many energy is in the reservoirs. Corresponding to the warm up the colors of the reservoir changes. There is a second mode of the installation. For special Events is there a special way to perform the light rings, every ring can be controled individual. In this way the Installation change to a dynamic Light-Installation. In this function a special art program is shown.