Solar energy initiative for the residential sector
Vladimir Hecl, EC Bratislava, Slovakia
Presentation at: managEnergy Workshop on Renewable Energy Good practice at local and regional level 1 July 2002, Brussels, Belgium
Presentation (527 Kb)
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Case Study (67 Kb)
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Summary
Implementation of one demonstrative project in a Slovak community was part of the project "Energy savings and the use of RES - a way towards sustainable development of towns and communities" carried out by Energy Centre Bratislava (ECB). The building of the Institution of social care for the old in Neslusa community has been chosen for the utilisation of solar energy for preparation of domestic hot water (DHW). Three solar collectors were set up on the south wall with the angel of 45° between the wall and a collector. The boiler with a possibility of electric regulation was installed indoors. Installed solar collectors may cover 75% of hot water needs in summer time (May-September). The project enabled the facility to reduce energy costs and use saved money level of nursing and living standards of inhabitants. Besides, the project increased public awareness and access to information on the use of RES and energy savings.
Results
Solar collectors cover 75 % cost for heat water needs in summer time (May-September), annual surplus is about 3000 kWh/year. The operating life of solar collectors is 25-30 years.
The Institution of social care for the old in Neslusa community is a facility for mental defective women. There are 10 women in the facility. The institution is financed by the Government. Installation of the solar collectors has partially reduced energy costs. Saved money from state budget can be used now for improvement of material supply of the facility, level of nursing and living standards of inhabitants of the facility.
The project has increased public access to the information about all relevant aspects of energy savings and the use of RES. Series of articles in Municipal news (in published and electronic version in Internet) and series discussions on the radio have secured information supply. In addition, the publication of summarising information brochure is a part of the project. It is being distributed by Association of towns and communities of Slovakia, local NGO's, and other co-operating organisations and Energy Centre Bratislava during various events connected to energy efficiency issues.
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Buildings
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: Heat/Heating
: Local Government
: ManagEnergy
: Refurbishment of Buildings
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