Solar films enable green building solution

17th December 2014
Siobhan O'Gorman

Heliatek has successfully delivered the first Building Integrated OPV (BIOPV) solar films to China. The HeliaFilms were installed at the premises of Reckli China, a long-term strategic business partner of Heliatek. In PuDong, Shanghai, the films were integrated to concrete façade elements provided by Reckli, becoming the world's first BIOPV concrete façade installation.

The HeliaFilm concrete façade was installed on an East, West and South facing façade in order to demonstrate the superior harvesting factor under various mounting conditions that often occur in real world BIPV applications. For comparison purposes, power generated by each façade is being individually monitored. The installed capacity of around 20 square metres amounts to 0.62kWp and the generated energy is used internally.

A development partnership for a green building solution based on HeliaFilm together with structured matrices of concrete, using building envelopes to generate power, has been agreed on by RECKLI and Heliatek. 

Heliatek are marketing HeliaFilm with different building materials such as glass, concrete and PVC membranes, and closely working together with industrial partners for the different building materials. 

"Heliatek's leading OPV technology is working perfectly in combination with the concrete façade application for BiPV, since it is ultra-light, thin and highly efficient. The harvesting power remains strong even under suboptimal light and temperature conditions. Thus the film can be directly attached to the concrete and no extra cooling or ventilation system is needed. With this BiPV solution, the CO2 balance will be drastically increased, without neglecting aesthetic aspects, " said Dr. Bernd Trompeter, Managing Director, RECKLI.

"HeliaFilm combined with Reckli's architectural concrete solutions are delivering a long-sought solution for Chinese architects and building planners. Concrete structures are being enriched with HeliaFilm to generate power and at the same time keeping an aesthetical appeal," commented Dr. Thomas Bickl, Vice President, Sales & Marketing, Heliatek. "This pioneering installation will set the precedent for similar BIOPV installations around the world to achieve the requirements for carbon neutral buildings that are self-sufficient in generating their own power requirements."

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