OLEA research unit Zagorje PV System Profile
Location:Zagorje ob Savi, Slovenia
PV system power:1.500 kWp
Communication:Sunny WebBox
Inverter:Sunny Boy 1700
Sunny Island 2012
Sensors:Sunny Sensorbox


 Research unit OELA is low energy self sufficient mobile unit for demonstration of new concepts of low exergy technologies on the basic of renewable sources. Unit serves to carry out regular events related to renewable energy and energy efficiency.

Integrated energy technologies:
• surface heating with mine water
• building envelope is in the standard of passive building
• phase change materials for heat and cold storage
• solar thermal collectors for sanitary hot water preparation and heating
• ventilation system with waste air heat recovery with highly efficient regenerators
• cooling of building with the use of ground air heat exchanger
• natural light with light shelves
• energy efficient LED electrical light
• solar photo voltaic cells and direct methanol fuel cell for electrical self-sufficiency
• advanced control systems on the basic of weather forecast and responsive systems management
Integrated environmental technologies:
• rain water storage
• dry compost toilet with waste water treatment in constructed wetland
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