In Zurich on 30 November 2008, it was approved by a 76 per cent majority that energy consumption should be reduced to 2000 watts of power per capita by 2050. The value in Switzerland is currently 6000 watts on average. The 2000-watt society has since been enshrined in the municipal code. "What is particularly special is how this is to be achieved," says economist Angelika Zahrnt (honorary chair of the environmental association BUND, former member of the Council for Sustainable Development and expert on the post-growth debate).
Zurich's city leaders explain that the 2000-watt society cannot be achieved through technical progress and more energy-efficient appliances alone. Progress also leads to the well-known rebound effect - increased efficiency often motivates consumers to consume more because of cost reductions. Often, more and larger appliances are then used and the savings are partially cancelled out. Even a switch to renewable energies alone does not help. According to the city of Zurich, "sufficiency is needed. That means using less energy, material and space and using resources more sparingly". As one of the few cities worldwide, Zurich is thus anchoring the question of what is the right measure in its policy.
nano: Report from 18.2.2011 on SWR "Barracks become eco-town".
5:03 min.
Settlement generates more energy than it consumes. The zero-energy town of Mietraching is being built on the site of a former US military base in Bad Aibling. The settlement is to be powered only by renewable energy.
Today, Federal Minister of Economics and Climate Protection Robert Habeck presented the second PV-The aim is to significantly accelerate the expansion of solar energy in Germany. The goal is to significantly accelerate the expansion of solar energy in Germany. To this end, the strategy identifies measures in a total of eleven fields of action. The spectrum ranges from measures in the area of energy policy to the topics of securing skilled labour, industrial value creation in Europe and technology development. This was preceded by a first photovoltaic summit in March 2023. Since March, the PV strategy has been consulted. More than 600 comments were received.
Federal Minister for Economic Affairs and Climate Protection Robert Habeck says: "Photovoltaics is one of the cheapest energy sources of all and is one of the most important sources of electricity generation of the future. By 2030, the share of renewable energies in gross electricity consumption is to be 80 percent. Photovoltaics, with an installed capacity of 215 gigawatts by 2030, is expected to make an important contribution here. This shows that we have a lot of work ahead of us. But we can see that the expansion is picking up. Last year it was over 7 gigawatts. The interim target for the current year is 9 gigawatts. The chances that we will reach this interim target are good: in the first quarter of 2023, just under 2.7 gigawatts were already added. GW newly installed.
With the strategy presented today, we want to significantly accelerate the expansion and remove all the brakes that have prevented a faster pace of expansion so far".
In recent months, the German government has already launched numerous measures to accelerate the expansion of renewable energies, including increasing the tendering volumes, adjusting the remuneration rates and removing regulatory hurdles. The PV-strategy now focuses on remaining barriers.
Fields of action of the photovoltaic strategy:
Ground-mounted systemsFrom 2026 onwards, we will need an addition of 11 GW
per year. For this, sufficient land must be available and planning and approval procedures must become faster. In addition, innovative concepts such as agri-PV to prevent land competition.
Roof systems: With the PV-strategy, we want to give a boost to the segment of larger building installations in the commercial sector. Also in the area of small PV-The strategy contains improvements and simplifications for the use of the plants. The target is 11 GW Additions per year from 2026.
Tenant electricity and communal building supplyToday, the roofs of apartment buildings are used far too little for PV used. To change this, we will introduce a new model for communal building supply. This will enable the on-site use of solar power for all parties in the building. In addition, we are improving the existing tenant electricity model.
Balcony-PV: We want balconyPV can be easily used by everyone. In addition, bureaucracy should be eliminated and the systems should be able to be connected quickly.
Mains connectionsWe want to significantly accelerate and simplify the grid connection of both ground-mounted and roof-mounted systems. For larger roof systems we will e.g. simplify the certification process.
AcceptanceWe want to strengthen participation. Topics are here a.o. the financial participation of municipalities and simple rules for citizen energy.
Tax lawThe removal of tax obstacles is important for the ramp-up of the PV. Whether e.g. in the case of trade tax or inheritance tax, the BMWK is committed to further improvements for the PV on.
IndustryWe want to build up industrial production capacities for the entire value chain in Germany and Europe, so that the rising demand can be largely met from our own resources.
can be covered by domestic production.
ProfessionalsWe want to increase the number of skilled workers for production,
Planning, installation and maintenance of PV-plants, a.o. through an increase in training offers and advanced training.
Technology developmentWe want to advance technology development along the entire value chain, a.o. within the framework of the upcoming 8th Energy Research Programme.
European frameworkEU processes and requirements increasingly determine the legal framework in the energy sector. We want to accelerate the PV-expansion at the European level, for example with the EU-strategy for solar energy and within the framework of the "Fit for 55" package.
The implementation of the strategy will start immediately after its publication. Some of the measures are to be implemented within the framework of the sog. "Solar Package I" to the cabinet before the summer break. Further measures, some of which require more preparatory work, are to follow in a second solar package. Even during the legislative work, the BMWK open to suggestions: the e-mail address set up for this purpose will remain pv-strategie@bmwk.bund.de also continues to be active.
The 52° Nord quarter in Berlin's southeast convinced this year's jury of experts and, with its sustainable and architecturally coherent overall concept, wins the German Housing 2020 Award for the best quarter development.
The Award Deutscher Wohnungsbau is the first award for developers and clients in the area of multi-storey residential construction. The architecture prize is awarded by a jury of experts. This year's jury members include Reiner Nagel, Chairman of the Executive Board Federal Foundation for Building Culture, Sabine Schneider, Editorial Manager of the architecture magazine Baumeister and last year's winner Lars Krückeberg, GRAFT Architekten.
The award-winning 52° North quarter covers around 100,000 m² and is located in the Grünau district of Treptow-Köpenick between the banks of the Dahme River and the Teltow Canal on a former industrial wasteland. A striking feature of this district development is the 6,000 m² water basin, the ecological and visual heart of the district: as part of the overall sustainable concept, rainwater from the surrounding buildings is collected here and biologically purified by planting along the sides. Evaporation returns the rainwater to the natural water cycle and improves the microclimate in the quarter - an example of contemporary rainwater management based on the model of the sponge city.
A neighbourhood square with a café, publicly accessible riverside promenades, play and recreation areas, an energy centre and an eco-nursery round off the concept. Daniel Riedl, member of the Management Board of Vonovia SE and responsible for BUWOG's development in Germany: "In Quartier 52° Nord, we have implemented a quality-first approach, i.e. with the first construction phase we have designed a sustainable residential environment that creates flair and quality of life at the same time - for the new residents and also for the people in the surrounding area. This award confirms to us that architectural and sustainable qualities must be thought of together and are essential success factors in neighbourhood development."
With a large number of different architectural firms designing the individual buildings on the various construction sites, Quartier 52° Nord is today one of the largest inhabited architectural parks of the post-reunification era. The area is being developed in sections, with overall completion expected by 2024. Three construction phases are currently under construction in Quartier 52° Nord: BUWOG THE VIEW, BUWOG REGATTAHOF and the BUWOG LOTSENHÄUSER - realised in timber hybrid construction (KfW-40).
About BUWOG BUWOG can look back on 69 years of experience in the residential real estate sector. In Germany, BUWOG Bauträger GmbH currently concentrates on property development with a focus on Berlin, Hamburg and Leipzig and currently has a development pipeline of around 14,500 residential units. BUWOG is a subsidiary of Vonovia SE, Europe's leading housing company headquartered in Bochum (Germany).
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