Vienna U6 Station Floridsdorf is Now an Energy Source Thanks to Facade PV System

Wiener Linien is taking innovative steps in the field of sustainability: In June, in cooperation with Wien Energie, they launched their first facade photovoltaic system in a test operation, as well as the PV systems on the roofs of the U6 station Floridsdorf and the adjacent signal box. After three months, the results are impressive: By the end of September, the three systems had already generated 120,000 kilowatt hours of electricity. In July alone, around 60% of the electricity needed on site could be covered.

First facade PV system in operation at U6 station Floridsdorf

The east-facing, 1,300 square meter glass facade at the east entrance of the U6 station Floridsdorf needed to be renewed. As part of the modernization work, not only were the glass panels replaced, but semi-transparent photovoltaic cells were also integrated into the facade. Around 60 percent of the facade area is used for electricity generation and shading with PV glass elements, while the remaining area remains transparent and allows daylight to pass through.

In addition to the facade at the U6 station Floridsdorf, PV modules were also installed on the roof and at the nearby U6 signal box in collaboration with Wien Energie. A total of 685 PV modules were installed, reaching a maximum output of approximately 260 kilowatt-peak (kWp). On sunny days, more electricity can be produced than is needed on site for lighting, elevators, and escalators in the station. Excess electricity is supplied to neighboring subway stations. With this solar power plant, Wiener Linien can cover one-third of the entire annual electricity needs of the U6 station itself.

Photovoltaic initiative of Wiener Linien

In 2020, Wiener Linien, together with Wien Energie, launched their photovoltaic initiative. There are now 27 solar power plants on public transport areas throughout Vienna. These produce a total of 5.7 million kilowatt hours of electricity per year. This is equivalent to supplying around 2,853 average Viennese households with green electricity for a year.

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