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Case Study: Improvement of heating system in different types of buildings, Bulgaria

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Summary

This case study highlights the package of technical measures, leading to improvement of heating systems by installation of equipment for biomass burning, which were undertaken at the end user level in a number of buildings - housing, industrial and public. The main goal of the project is implementation of technical measures for reduction of the cost in two residential, four production and three public buildings through substitution of light fuel oil or electricity with biomass-wood wastes. The scheme for financing the elaboration of the project includes borrowed capital (89,28%) and own participation of the investor (10,72%). As a result to the complete implementation of such a project, the costs for heating the buildings are expected to be reduced by 30 % compared to the present ones.

Results

The total annual quantities of energy from biomass as a result of the project amount to 12 403 GJ or 3 445 MWh. The total installed capacity of biomass fueled boilers is 1,2 MW.

Other benefits of the project include substitution of 349 tons/year of light fuel oil leading to annual emissions reduction of 1075 CO2 equivalents, almost 7 tons annual emissions reduction of SOx and about 2 tons of NOx annual emissions reduction.

Lessons learned and repeatability

A key barrier to introduction of energy efficiency in public and/or residential buildings is not the technology itself, but the limited sources of finance and the policy framework which limits the state subsidies which have to catalyse investments for energy efficiency improvements. The state with its regulative function shall encourage investments and facilitate the process of technology and finance transfer.

The project reveals that the partnership concept when all interested parties can successfully overcome the barriers and end-up with installation of biomass fueled facilities. The concept is able to be replicated both within Bulgaria and elsewhere in Europe. A very important moment is to involve organizations providing technical assistance to the owners in preparation of feasibility studies and also access to credit lines or other financing sources available at place.

Keywords

To find similar reports, click on a keyword below:
Biomass & Bioenergy : Buildings : DE - Deutsch : ES - Español : Energy Efficiency : Energy from Waste : FR - Français : Heat/Heating : Households : IT - Italiano : Industry : ManagEnergy : PL - Polski : Pellets & Pelleting : Property Owners : Public Private Partnerships : Refurbishment of Buildings : Solid Biofuels

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