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Feasibility study of reconstruction of public lighting of the City of Bijeljina

Feasibility study of reconstruction of public lighting of the City of Bijeljina with the surrounding settlements was done as a part of a global project of Bijeljina Municipality for energy efficiency and energy sustainability of Bijeljina Municipality with the support of GIZ (Deutsche Gesellschaft für Internationale Zusammenarbeit GmbH) – ENERGY EFFICIENCY PROJECT IN BaH.
The motive for preparing the study was to look at the real situation in the public lighting sector, to analyse possibility of modernisation, and to suggest specific measures which are possible to implement.
The study analyses the current condition from the technical, economic, environmental, safety and social point of view. The study includes legislative factors which can govern relations in the business management of exploitation of public lighting. Methodologically, the study deals with several options which are technically available on the market, and economically sound, in order to detect and mark the optimal technical and financial model. In conclusion, five scenarios were offered as real and purposeful scenarios for the reconstruction. Using a simple technical and economic method in calculating the period of return on investment, one method was selected as the optimal reconstruction method with savings of 60.4% during exploitation, and the period of return on investment is 5 to 6 years. The suggested method is based on replacing all mercury lamps (8848 lamps) by appropriate LED lamps while keeping and allocating existing HPS and MH lamps.