The actual electric power is displayed analogue by means of 24 symbolic incandescent lamps (inside LED) and the monthly fed in energy by red balls. Digital displays for the actual power, the monthly and the total energy yield are there additionally. The system is a kind of show case for wall mounting, preferably in public areas of entryways.
IKS Photovoltaik at the Intersolar 2008:
Halle: B6 Stand: B6.659