energY renoVatIon
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e need to take a good look at the buildings we already have, instead of just using eco-friendly plasters. Renovation is a holistic project," says architect Signe Kongebro, who has been helping to compile the Capital Region's new project on energy-conserving renovation, 'Plan C'. The idea is to create a renovation plan which goes beyond the plans we have seen up until now. Plan C will create a powerhouse in energy-conserving renovation, and by experimenting with large-scale urban renewal, it will develop concepts, processes, materials and technology which can be disseminated and applied by a broader group of players. "We need to look at the big picture, and include all the details. That will help us to repeat the same exercises very efficiently and quickly later on," says Signe Kongebro. Gate 21, the former Environmental Knowledge Park, will be responsible for the implementation of Plan C until 2013, and together with 36 partners, will develop, test and demonstrate new solutions within energy-conserving renovation in the seven municipalities of the Vestegnen-area (i.e. seven suburbs west of Copenhagen) taking part in the project. "Plan C includes a number of demonstration projects, in which various solutions will be presented within the areas of ventilation and cooling, heating systems, lighting and sustainable energy, as well as climate shields, facades and roofing. The idea is to provide inspiration and demonstrate ways in which we could plan construction in the future," says Jørgen Christensen, chairman of the Capital Region Growth Forum, one of the major investors behind Plan C. "As a project, Plan C has the potential to turn the Capital Region of Denmark into a leading centre for energy-conserving renovation, and at the same time contribute to enhancing the competitiveness and growth of Danish construction on the global market," he continues. solaR Cells on the Roof Around 40 percent of Denmark's current energy consumption takes place in buildings. Through energy-conserving renovation, however, energy consumption could be reduced to just under a third of its present level. In the municipality of Albertslund the first home renovations have already been completed, and provide proof that energy-conserving renovation can be both simple and inexpensive. In the coming years, the municipality faces a comprehensive renovation of its existing housing stock from the 1960s, 1970s and 1980s, for which reason nine test homes have been selected to function as experience-generating projects before the large-scale renovations are initiated. "We can thereby contribute tried and tested solutions, and create a revitalisation of the town. In two of the test homes, we have actually succeeded in cutting energy consumption by 73 percent," says Anne Marie Holt Christensen of Albertslund Municipality's Technical and
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"It is also important that we begin to measure other dimensions besides energy savings. We have seen before how enhancing the indoor climate and lighting in schools can improve children's learning abilities. In other words, we should also consider the 'non-energy benefits' and secondary effects that extend beyond the actual hole in the wall that lets in more daylight"
Signe Kongebro, architect, Henning Larsen Architects
Environmental Administration. With their re-insulated facades, roofs and crawl spaces, the two Albertslund homes stand out from among the council homes on the Bjørnens Kvarter estate. Low-temperature district heating and solar cells have also been installed in the houses. gains Right aCRoss the boaRd As Plan C continues to gather knowledge, this will be tested on 10 to 15 selected projects, mainly in the Vestegnen-area, which during the coming years will see billions invested in renovation. At the same time, the renovations will also serve as large-scale demonstration projects, in which new forms of ventilation, lighting, district heating, facades and roofs will be realised and presented to the public. The project is also intended to create a seed bed for new export products within the fields of solar heating, solar power generation and district heating. "It is a question of looking at how much we can get out of the existing buildings. From our point of view, there is no major difference between renovation and constructing new buildings. The buildings have to be used in the best possible manner, without becoming too expensive to live in," says Signe Kongebro. Via the project, all of the involved parties will beat a path through the legal, cultural and technical barriers which today can make it difficult to carry out energy-conserving renovation tasks. "It is also important that we begin to measure other dimensions besides energy savings," Signe continues. "We have seen before how enhancing the indoor climate and lighting in schools can improve children's learning abilities. In other words, we should also consider the 'non-energy benefits' and secondary effects that extend beyond the actual hole in the wall that lets in more daylight." By the summer of 2010, Plan C expects to have gathered a sufficient foundation of experience to begin specific construction projects. "Our goal is for the knowledge we gain to be so well-honed, competent and up-to-date that Gate 21 will pop up as the first hit in the search engines when people around the world search on the term 'energy-conserving renovation',"
says Peter Terman Petersen, regional director at COWI, a leading Danish engineering consultancy company and one of the partners behind Plan C.
Facts:
· around 40 percent of Denmark's current energy consumption takes place in buildings. It is estimated that energy-conserving renovation could reduce energy consumption to just under a third of its present level. · 'energy-conserving renovation plan c' is intended to turn the capital region of Denmark into a leading centre for energyconserving renovation, make the Danish construction industry more competitive, and generate growth on global markets. · the project aims to create a network of around 1,200 companies, knowledge environments and companies which can establish contacts and a basis for new products and services within the area of energy-conserving renovation. · the project has a budget of approximately eur 5.2 million, spread over 3½ years. approximately eur 3.9 million has been procured via the capital region growth Forum, including eur 2.5 million from the european regional Development Fund. · lead-partner behind plan c is gate 21. In addition, 36 companies, municipalities, organisations and institutions are also participating, including the city of copenhagen, the municipalities of the Vestegnen-area, the Danish construction association, henning larsen architects, coWI, Vestegnens Kraftvarmeselskab I/s, Dtu Byg, the copenhagen Business school, the alexandra Institute, the Danish technological Institute and copenhagen capacity.
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