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Smart semi-transparent energy generating PV windows

A demonstration façade, composed of transparent PV windows produced by Sunpartner Technologies, has recently been created in the framework of the Interreg project “PV OpMaat”. In this project, a consortium of companies among which Eigenergie.net, NBArchitecten, TGM, Insulation Solutions and Isover work together with SEAC and Solliance on innovative PV solutions for the building industry. The window glass is coated with CIGS, a widely-used thin film PV material. In order to make the window transparent, the CIGS material has been structured with tiny holes, small enough to guarantee a uniform appearance to the human eye.

This technique allows to make very transparent and uniform window glass while still capturing a substantial part of the incident light to generate electricity. The density and the size of the holes also allow to tune the level of transparency.

PV windows are ideal for replacing the traditional glass modules in façades of office buildings. As such they can make a substantial contribution to the energy balance of such office buildings without changing the appearance of the building and without hampering the view from within the building.

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Solar façade makes this social housing project energy neutral !

The solar façade for a social housing apartment building in Best (Noord Brabant) has been finalized. The so called “de Willem en de Zwijger” are among the first zero-energy apartment complexes in The Netherlands. The five floors high, 48 apartment twin buildings comprise an innovative, energy efficient, affordable and aesthetically pleasing alternative to conventional social housing. The façade is cladded with black thin-film solar panels CIGS technology). This is an outstanding example of building integrated photovoltaics (BIPV). The additional investment cost for achieving zero-energy performance in this concept is only 20%.

The project is a collaboration of the housing corporation ‘thuis, NBArchitecten, EigenEnergie.net and BAM Wonen.

SEAC is closely cooperating with NBArchitecten and EigenEnergie.net in the development of aesthetic colored façade PV elements for the BIPV sector. For more solar news follow us on LinkedIn by clicking here.