Summer not only brings sunshine for the Viennese as usual, but this year also far more solar power of Vienna Energy: Austria’s largest regional energy service provider celebrates a milestone in photovoltaic expansion. On July 2025, the company already operates 500 photovoltaic systems in Austria. Overall, Vienna Energie achieves an overall output of around 200 megawatts and brings movement to the energy transition due to the continuously increasing level of expansion. Vienna has implemented about half of its own overall photovoltaic performance in the past two and a half years alone. “Every new photovoltaic system, whether small or large, ensures an independent energy supply for the Viennese-and also produces 100 percent green electricity. With the solar power offensive of the city of Vienna and the innovative strength of Vienna Energy, we ensure that the solar performance in Vienna is continuously increasing and Vienna remains further solar power capital. Overall, we supply the Vienna energy facilities 100,000 in Vienna with solar power ”, So Ulli Sima, City Councilor for Urban Development, Mobility and Wiener Stadtwerke.
Karl Gruber, Managing Director of Vienna Energie, added: “We use our entire strength for the energy transition and an affordable and clean energy supply. On average, we build photovoltaic areas the size of a soccer field every week. In the past 25 years we have implemented a variety of PV innovations: from particularly light organic or double-sided photovoltaic modules to some of the steepest and largest systems in the country-and we still have a lot plans. ”
A quarter of a century of photovoltaic innovations
For around 25 years, Vienna has been developing and operating Energie’s energy systems for a wide variety of areas and types of roofs. One of the very first own systems is the photovoltaic system on the UN City roof, which was built on time at the turn of the millennium in 2000. Before this facility, Vienna co -developed various photovoltaic systems in the urban area. In recent years, the company has accelerated the expansion pace rapidly.
“Photovoltaics is the key to an independent, climate chief and affordable energy future for our city. Every sunbeam that we convert into clean electricity makes us regardless of fossil imports and protects against future energy crises. With the pace that Vienna is available, the energy transition is not only feasible, but also tangible – and laid the foundation for a real upswing”according to Stefan Gara, energy spokesman for the Vienna Neos.
„The 500 photovoltaic systems of Vienna Energie show how consistently the city drives the energy transition “”the Mariahilfer District Chairman Julia Lessacher is happy and adds: “In our district, the House of the Sea with its solar system has made a valuable contribution to sustainable energy supply since 2019. The photovoltaic modules supply the animal areas in the addition of the Aqua zoo with green electricity. Such projects make it clear that climate protection can be successfully connected to the city’s leisure attractions. Vienna Energie thus sets important impulses for environmentally conscious urban development.
Full solar power for the future
Since the establishment of the photovoltaic system on the UN City roof, Vienna Energie has had some solar successes. Among the showcase projects of recent years, for example, the photovoltaic system can be found on the market office building of the Carmelite Market, which makes the market the first energy self -sufficient market in Europe. Or the Schafflerhofstrasse solar power plant, which is not only Vienna’s largest open -air photovoltaic system on 17 hectares, but also offers 150 sheep a pasture area. In addition, Vienna Energie has given numerous roofs of schools, municipal buildings, or significant sights such as the Vienna City Hall or the House of the Sea with solar power plants. In total, Vienna plans to build over 70 new photovoltaic systems in 2025.
Vienna Energie continues to continue to expand photovoltaic expansion in the next five years-the company triples the current performance by 2030 to 600 megawatts in the PV area and wants to achieve a total of 1,000 megawatts of renewable power generation performance from solar, wind and hydropower.
Images: https://wienenergie.at/media-08