The most progress in the area of the sustainable building policy and its implementation has been achieved in certain regions by the Building Certification System regulations such as Passivhaus (Germany) and LEED (U.S). These solutions are similar to the more widely discussed and already applied concepts: the Integrated Whole Building Design (IWBD) and Building Information Modeling (BIM). Although it may sound trivial, it is vital to acknowledge and understand that a building is an integral component of the land lot. In the stage of development of a building concept, it usually lacks a versatile and professional assessment of available resources, especially those of renewable energy. It is suggested at the beginning of the IWBD concept to conduct such assessment on the resources available and more specifically focusing on renewable energy. The assessment should also meet the expectations of the building’s owner to use effectively the potential of all possible solutions. Thus a certificate is drawn up, defining all the resources available for the particular lot. The structure of the certificate data is orientated towards the possibility of designing modern renewable energy technologies, according to their performance under changing weather conditions during the year. Such assessment certificates contribute to shaping the concept of the building and allow achieving the highest level of its sustainability.

Article in Lithuanian