Hamburg’s government buildings are getting photovoltaic roofs

Hamburg’s government buildings get photovoltaic roofs

The program aims for 100,000 square meters of solar panels

The Senate of Hamburg wants to use the roofs of the city to generate energy. A special short-term program aims to create a total of 100,000 square meters of photovoltaic space, with government buildings being the first to undergo the transformation. At the same time, the city council has launched an investigation into the architectural and technological state of the private housing stock.

Hamburg’s government rooftops are ready to make their contribution to climate protection

The city of Hamburg is doing everything it can to achieve the CO2 reduction targets for 2023 and 2030. The city’s solar program is a top priority according to Finance Senator Andreas Dressel, who noted during an interview for NDR 90.3, a local radio station: “This is a topic of interest to the entire Senate. The first mayor gave us this mandate.”

All 700 city buildings, from the museum to the fire station, are currently being surveyed to see if they can support photovoltaic systems. The spotlight is currently on the Alsterdorf district police station and two schools as potential candidates for solar-generating roofs.

The installation of solar panels on the roofs of government buildings will be in a multi-phase program, with the first phase to be completed by 2023. The companies Sprinkenhof, Schulbau Hamburg and Hamburg Energie Solar have signed a letter of intent claiming that they will be able to provide 13 megawatts of clean energy by the end of this phase. In the final phase, a capacity of 50 megawatts should be possible.

An investigation into the residential buildings of Hamburg

The Ministry of Urban Development and Housing is currently investigating how to most effectively improve the CO2 balance of Hamburg’s residential buildings.

To this end, an online survey was launched on 9 July 2021 among a randomized selection of residential building owners, which will be continued in the coming weeks. The push calls for 35,000 Hamburg property owners to be asked for the survey.

The aim of the research is to obtain a representative picture of the architectural and technical condition of the residential buildings in Hamburg. Some of the questions concern, for example, the current state of homes in terms of energy efficiency and the energy sources they use.

This information will later determine the cost and feasibility of the required modernization. On the one hand, the climate targets must be met and, on the other hand, affordability for owners and tenants must be guaranteed.

An overview of the CO2 reduction program

On December 22, 2020, the Senate approved a requirement for solar roofs and highly efficient heating systems for the construction of new buildings in the city. To be more precise, 15% of the energy that powers a building’s heating system after renovation must come from renewable sources.

According to the city authorities, the photovoltaic obligation alone could save 60,000 tons of CO2 by 2030, contributing to a faster energy transition, while increasing the competitiveness of the local economy and adding value.

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