Twin City Building Curtain Wall

Twin City Tower

Onyx Solar supplied amorphous silicon technology for the curtain wall of this iconic project in Bratislava. Amorphous silicon glass supplied is fully black, with a grey frit pattern and argon chamber in various dimensions according to the project requirements. Some of these dimensions almost reaching 4 sqm. The 192 glasses supplied to achieve a Peak Power of 25 kW.


The photovoltaic curtain wall is the perfect solution for new office buildings since it has passive properties include thermal and sound insulation, and also natural light. However, it also offers an active property, the energy it generates. 

Project Twin City is a new development made by one of the largest developers in central Europe, HB Reavis. It will become an important icon of Bratislava.

HB Reavis is a fully integrated property developer applying a unique and highly successful approach to the complete development chain. The strong position of the Group was confirmed in the annual rating carried out by Property EU, placing HB Reavis among the Top 3 office developers across European Union. The total gross leasable area of  HB Reavis delivered projects add up to 1,064,000 sqm. 

Skanska is one of the world’s leading construction and project development companies focused on selected home markets in the Nordics, other European countries, and North America. Founded in 1887. The Skanska Purpose is to build a better society. Skanska provides innovative and sustainable solutions to create a sustainable future for its people, customers, and communities through the efficiency of its buildings.


twin city slovakia


11 Továrenská
Bratislava, Bratislavský kraj.
Eslovaquia ,811 09
+421 2/583 030 30

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