Today, in Serbia there are several sites with installed combined heat and power facilities. The most of these plants, for various reasons, do not produce electricity. One such plant is "Energetika" (Kragujevac, Serbia), which is primarily a district heating company. Steam generator in the plant has been installed in the 1970's and has worked in one short period of time. Installed steam turbines are 8 MW and 20 MW rated power. "Energetika" in accordance with the general trend of increasing energy efficiency of production process initiated revitalization of the plant. This revitalization started with a study which approach and the results are briefly given in the paper. All results show that retrofit of facility should be acceptable for the management. Developed scenarios indicate that in the case of the limited resources optimal retrofit should start with smaller turbine (8 MW rated power) then after providing the funds should continue with the retrofit of 20 MW turbine.
This paper presents a methodology development and the results achieved in the process of establishing energy management system in the city of Kragujevac (Serbia) and in its public services. The paper is an overview of influential factors in the field of energy management, analyzing their impact on raising the energy efficiency of individual utility service and the city of Kragujevac, as a whole. The paper also presents the most interesting scientific and research projects realized in the co-operation of several actors which were co-ordinated by Regional Euro Energy Efficiency Center Kragujevac. The municipal companies together with the city administration are the direct beneficiaries of the results realized in the following areas: Development of energy management in municipalities and the establishment of energy planning at the local level; Improvement of municipal services by applying energy efficiency measures in public enterprises: "Energetika" (heating), "Čistoća" (communal waste management), and "Vodovod i kanalizacija" (water and waste water management). associated with fossil fuels. In the years to come Serbian economy is expected to grow and industry to search and explore the potential of using cleaner alternative fuels. At the same time the reality can't be neither sugarcoated nor ignored and alternatives to fossil fuel will succeed only if they are economically feasible for suppliers and users alike. There is a lot that could be done to conserve energy and to reduce environmental footprint. New technologies currently under development should be considered to allow Serbia the use of energy resources in a more efficient ways and with better protection of the environment. Department of Energy and Process Engineering (DEPE) of the Faculty of Mechanical Engineering in Kragujevac have been aware of the development trends and the load to which is exposed modern energy sector in the world and also in Serbia. In accordance with their scientific and technical findings DEPE adopted appropriate strategic plans of its work and special emphasis was given to: Improving the quality of teaching and raising the popularity of studies of energy and process engineering; Educational, scientific and professional fostering of energy efficiency, renewable energy sources, environmental protection, modern methods of management of energy and environmental projects, and financial engineering in the field of energy and process technology, as the infrastructure of teaching and research areas in basic courses, master and doctoral studies; Inclusion of students in the implementation of local, regional, national and international projects; The creation of appropriate organization (Regional Euro Energy Efficiency Center Kragujevac -REEECKg) for the inclusion of research potential of DEPE in the strategic development plans at the local, regional, national and international level, and Taking appropriate recognizable unpretentious marketing-media niche in the territory of the Republic of Serbia and southeastern Europe [1]. T...
Sustainable housing is a worldwide challenge, while the case of Serbia could be an example of how complex the circumstances can be and how difficult it is to see the path towards sustainability. This paper sets out to answer multiple challenges; can energy-efficient, low-impact housing enter the market and respond to the needs of its population, potentially contributing to a more affordable and future-proof housing reality in Serbia? And does this demand rather different measures than the ones conventionally explored in innovative housing approaches elsewhere? To answer these questions, the paper starts from the preview of circumstances, then the methodology is proposed and explained, after which the possible building materials and technical installations for pilot multi-apartment Passive House are selected, and in the end, results are given and conclusions are drawn. Since the building is intended for a housing cooperative, both the affordability of the proposed solution and the environmental footprint has been comprehended by the methodology proposed. In the end, by carefully balancing the benefits of individual measures - favouring those that are cost-effective and discouraging the implementation of measures that are not, a viable pilot project that could step into the market-oriented society is selected.
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