Solar Power

Renewable Energy Building Rating System In Urgent Need Of Energy – Energy Conservation, Solar Energy

Recently, the “Renewable Energy Application of the Model Cities program to implement construction “and” accelerate the construction of renewable energy in rural areas, application of the implementation of the program, “issued, the program that will demonstrate ways to promote renewable energy in rural and urban construction in the field of large-scale applications, and the central Finance will be of special subsidies. The introduction of the two implementation plan, substantially widened the construction of renewable energy curtain. However, to achieve the desired objectives, renewable energy, essential to building assessment system established.

“Plan” and not in the building of renewable energy sources have a clear assessment of system architecture, such as rural programs on the compliance of the paper is “economic, application, security” principle, the formulation of city programs for the applicability and feasibility. This makes some of us worry about the local government will simply add some water heaters in buildings or on some local transformation in order to become demonstration projects, funding applications for grants. Such concerns are not groundless. According to Solar Energy Society, Asia-Pacific Solar Energy Research and Training Center, Renxi Wen Hua Jieshao: “80’s from the 20th century, China promulgated the” civilian Building energy efficiency Design Standards, “” residential buildings in hot summer and cold winter Energy Design Standards “,” public building energy efficiency design standards, “and so on, but implementation is very unsatisfactory. 2000 -2 004 years, the implementation of this standard hot summer cold winter area is only 20% of the subtropical region of only 11%. This failure to abide by the conditions to our solar architecture is very serious negative effects. Moreover, the implementation of demonstration projects for renewable energy building assessment system has not really established. “

Construction of renewable energy is the future direction of architecture, construction restricting the development of renewable energy in China many factors, but its assessment of the establishment and improvement of renewable energy a key building industrialization. Clear what kind of building be considered a true construction of renewable energy is essential. Meet the standards to provide subsidies, or not to.

“Solar architecture, for example, solar construction does not mean that solar water heaters or solar power generation facilities with housing. Solar energy and construction must be integrated, and the appearance of a unified, coordinated, rather than simply make do or add.” Wuhe Architectural Design Co., Ltd. course architect Cheng said: “The solar and other renewable energy and building system integration is a Project , It needs renewable energy, construction, HVAC , Power, air conditioning, water supply and drainage and other community experts. For example, a complete BIPV system includes PV modules, load control, power storage, power conversion equipment, backup power systems and adequate support and equipment cables. If you do not take into account the combination of these areas, the government expects renewable energy construction probably will exist in name only. “

Present, due to the lack of overall renewable energy industry and the construction industry with each other, solar water heaters, solar photovoltaic power generation system in most cases as a backup device in a building on top of an additional load on the building and cost, renewable energy technologies in isolation from building function, structure, aesthetics and other factors, affects the development of renewable energy building process.

Building energy consumption in the society a large proportion of the total energy consumption, China is gradually increased to 30%, socio-economic development has become an increasingly serious problem. Latest statistics show that China built residential area of the city each year to reach 400 000 000 -5 100 million square meters, while in rural areas reached 700 000 000 -8 100 million square meters. In the current total of more than 360 million square meters of housing floor space in strict accordance with the building energy efficiency standards for the construction of only 1.3 million square meters. China’s residential heating energy consumption per unit area is the developed countries only about 3 times, very serious waste of energy.

States introduced a series of buildings to promote renewable energy development policies can be called market timely, in order to achieve the desired objectives, relevant supporting measures to improve is the key. Since it is a demonstration project, it must be a certain level of standards, we do not want to see the so-called nominal or low-level construction of renewable energy. Xi Wenhua, said, “Establishment of renewable energy is very significant building assessment system, on the one hand, building evaluation system on the market evaluation of the building construction market, the result can be an important basis for selection of owner; the other hand, the whole society to facilitate universal green building concept to real estate developers and building design units from the economy, resources, Environmental protection Considering the aspects of architectural design, building materials and construction methods chosen a series of reforms. ”

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