With retroactive effect from 1 January 2020, the subsidy for timber construction in Hamburg has now been officially increased to 0.80 euros per kilogram of timber product as part of the various subsidised housing construction programmes. As a funding requirement, the wood used must come from sustainable sources, be permanently installed in the building and be part of the construction. Wood products in the construction within the meaning of the subsidy are all solid wood products (sawn timber, planed timber, etc.), wood-based materials (chipboard, fibreboard, etc.) and products of structural timber construction (cross laminated timber, glulam, etc.). The pure wood content in these products must correspond to at least 80 % of the product mass.
The use of wood in the construction of new buildings, additions and extensions is subsidised with € 0.80 per kilogram of wood product.
The use of insulation materials with the "Blue Angel" quality mark RAL-UZ 132 or composite thermal insulation systems RAL-UZ 140 or the natureplus seal is subsidised with an additional grant of € 11.00 per m² of building component area.
Planning, construction and management of inclusive housing complexes
The Institute for Urban Planning and Social Research WEEBER+PARTNER (Stuttgart) examined 16 case studies and interviewed responsible persons in municipal, cooperative and private housing companies. The projects are characterized by a wide range of planning and construction approaches. According to the study, social diversity requires structural diversity: Rental, social and owner-occupied apartments of different sizes and with diverse layouts were created in the new housing quarters. They are socially mixed - even within buildings - with the respective proportions in the neighbourhood being derived from local requirements. The new quarters also offer space for communal forms of living, for example for older people and those in need of care. And they are characterised by an attractively designed and green residential environment. Concept awards promote the planning and implementation of such projects: Through them, plots of land are not allocated according to the highest price, but for the best concept.
The study was funded by the Innovation Programme Future Construction of the Federal Ministry of the Interior, for Construction and Home Affairs (BMI).
Researchers at DIW Berlin have developed the "Ampel-Monitor Energiewende" - monitor the extent to which the government's energy policy agenda is being implemented - immense efforts are needed to close the gap between the announced targets and the current status quo
If the German government wants to achieve its energy policy goals, it must step up the pace. There are particularly large gaps between the current development and the targets for green hydrogen, electromobility and renewable heat, as the "Ampel-Monitor Energiewende" of the German Institute for Economic Research (DIW Berlin) shows. DIW researchers developed the monitor to track the progress of the energy transition towards climate neutrality using 15 indicators. The monitor, which is based on open data, accompanies progress on the government's goals with a focus on the period up to 2030. Selected results are now available on the DIW Berlin website (https://www.diw.de/ampel-monitor) are provided in the form of interactive graphics and short analyses and are updated regularly. All indicators and the underlying data can also be found open source on the Open Energy Tracker platform (https://openenergytracker.org).
"Our traffic light monitor makes it clear: the current pace of the energy transition is far too slow to achieve the 2030 targets," says DIW energy economist Wolf-Peter Schill, co-initiator of the monitor, which is presented in a study today. "If the government does not want to fall behind its target path, it must implement concrete and far-reaching steps promptly."
The pace of photovoltaic expansion must be tripled
The monitor shows: If the government wants to achieve its photovoltaic targets by 2030, it will have to triple the pace of expansion compared to the trend of the past twelve months, and even quadruple it for onshore wind power. At the current rate, the targets would clearly be missed. This would also make it impossible to achieve the coalition's goal of increasing the share of renewable energies in electricity consumption from the current 42 percent to 80 percent in 2030.
There is also a large gap in renewable heat, for which a share of renewable energies of 50 percent is envisaged in 2030. For this to happen, the share must grow by almost four percentage points per year - although it has not even increased by three percentage points since 2012.
"The Federal Government's to-do list is still long. The energy policy goals that have been set are not self-fulfilling; development must gain momentum in all areas." Alexander Roth
E-car fleet still growing very slowly - charging infrastructure inadequate
If the coalition's goal of increasing the e-car fleet to 15 million vehicles by 2030 is to be achieved, an average of around 130,000 vehicles must be registered in Germany every month. In addition to the existing purchase premiums, the EU ban on combustion engines, which is currently being voted on, could certainly contribute to more electromobility," explains study author Adeline Guéret.
According to the Monitor's data, the charging infrastructure must increase even more if the target is not to be missed. Instead of the current 1200 charging points per month, 8,700 would have to go into operation - around seven times as many.
From practically zero to ten gigawatts in green hydrogen
Most needs to happen with green hydrogen, as the traffic light monitor shows: The electrolysis capacity of around ten gigawatts in 2030 targeted in the coalition agreement still seems a long way off, given an electrical capacity of around 60 megawatts at the end of last year.
"With its open and constantly updated energy data, our traffic light monitor makes an important contribution to an informed and fact-based energy policy debate," concludes study author Alexander Roth. "It shows that the German government still has a long to-do list. The goals set are not self-fulfilling; development must gain momentum in all areas."
While the sound barrier of 100,000 installed fuel cells was already broken in Japan last year, numerous heating technology suppliers presented natural gas fuel cell heaters for the first time at the ISH in Frankfurt in March of this year, which are now to conquer German boiler rooms after decades of development and testing.
For the Badger InnoGen by SenerTec with a Japanese fuel cell from Toshiba and the Viessmann Vitovalor 300-P with a Panasonic fuel cell, a subsidy of around 7,600 euros awaits. In addition, Viessmann recently reduced the price of the Vitovalor 300-P to 19,500 euros, so that, taking into account the new subsidy, a complete fuel cell heating system with Japanese roots can be had for as little as 11,900 euros.
Fast and sustainable construction, extension and renovation with wood
As part of Expo Real 2019, experts from the timber construction industry came together for the kick-off event of the Holzbau München network. Organiser Andreas Lerge, Managing Director of Wood Real Estate, opened the evening and welcomed his guests with the topics of digitalisation and professionalisation in timber construction. Larger timber construction projects are currently still underrepresented in German cities, but the general demand for living space in Munich will increase by around 250,000 flats by 2025. Reason enough to make urban timber construction the standard through serial construction and industrial prefabrication. The advantages are obvious: systemised construction reduces construction costs, only a few skilled workers are needed on site to assemble prefabricated modules, construction time and noise and traffic pollution are reduced.
Wood is so stable that it can be used to build high-rise buildings and at the same time unrivalled in its lightness that it can be used to add storeys to existing buildings. Another contribution to active climate protection is refurbishment and modernisation with wood, a renewable resource that is more than sufficient. In total, 18 million tonnes of CO2 can be bound in Bavaria alone. Alexander Gumpp, Chairman of the Board of Trustees of proHolz Bayern, believes it is imperative that a life cycle assessment and compliance with emissions limits are a mandatory component of construction projects. An ecological model housing estate is currently being built in Munich: the Prince Eugene Park. An exemplary urban timber construction that creates plenty of living space for many generations. We are committed to a sustainable forestry and timber industry in Bavaria in order to realise more timber construction projects so that we can call Munich a "timber construction city" by 2030.
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