Vienna exceeds solar target: 308 MWp achieved by November!

Vienna exceeds solar target: 308 MWp achieved by November!

On November 17, 2025, the city of Vienna made remarkable progress in the field of renewable energies. According to a report by Vienna.gv.at The annual target of 250 megawatt peak (MWp) for installed solar power output has already been exceeded by 58 MWp, increasing the total output to an impressive 308 MWp.

There are now over 16,700 photovoltaic systems (PV systems) installed in Vienna, supplying around 90,000 households with clean energy. By 2030, the city plans to supply a quarter of all households with solar power, which corresponds to a total output of 800 MWp. Vienna started 2021 with a base output of just 50 MWp.

Growth dynamics of PV systems

Around 4,000 new PV systems have already been installed this year. What is particularly noteworthy is that almost 60 MWp of the current installed capacity comes from municipal buildings and areas. In the last five years, Wien Energie has built 183 PV systems with a total output of around 42 MWp, including 98 on land owned by the Vienna City Council and 85 on land owned by city-owned companies.

Wien Energie operates a total of over 500 photovoltaic systems and thus makes a central contribution to the energy transition in the city. In order to further promote the expansion of these sustainable energy sources, the City of Vienna supports the PV expansion with subsidies, free advice and simple approval procedures. Cooperations with the Vienna Chamber of Commerce, the Vienna Business Agency and Ökobusiness Vienna also play a crucial role. Around 90 companies are now solar partners of the city.

Renewable energies as the key to the energy future

The importance of cities for the energy transition is undisputed. Cities convert large amounts of energy, while their own energy production is often limited. Loud E-genius It is increasingly recognized that cities need to play an active role in energy supply. Through the use of photovoltaic systems and wind turbines, citizens can transform from “consumers” to “prosumers”, which enables decentralized energy production and storage in the future.

In addition, energy networks are becoming increasingly interconnected, while innovative technologies such as heat pumps and fuel cells are becoming increasingly important. Jeremy Rifkin describes this approach as the “Internet of Energies,” which underscores the need to rethink energy production and distribution to advance climate action.

In order to document the progress in the field of renewable energies in Germany the Federal Ministry for Economic Affairs and Energy published a comprehensive brochure that analyzes the progress in the expansion of renewable energies in Germany, Europe and worldwide. Such a structure and overview could also be helpful for Vienna and other cities to further promote development in the field of renewable energies.

By continuously increasing the installed solar power output, Vienna is showing how cities can actively contribute to combating climate change and setting an important example for a sustainable energy future.