Abstract
Possibilities for Utilization of Solar Thermal Energy in Multi-Family Buildings in LatviaThe paper is focused on analysis of the current situation for the solar thermal system market in Latvia. Solar energy potential and solar thermal market development in Latvia is compared with those in the countries, where solar irradiation is equivalent to that of the Latvian climate.This research also includes a description of the solar and pellet combisystem installed for a demonstration pilot project; the main parameters of this system are identified and the performance data for the first month of operations is analysed.An economic analysis for different heat supply scenarios from simulation data and real performance of the system is shown.
Highlights
IntroductionOne of the leading discussions about the energy sector in the European Union is related to energy efficiency in the building sector
The energy sector plays a vital role in the development of every country
Sustainable energy policy provides a guarantee for stable economic growth and protects the local market from rapid energy price fluctuations
Summary
One of the leading discussions about the energy sector in the European Union is related to energy efficiency in the building sector. The main objectives for reaching declared energy policy in this field are to decrease energy consumption in already existing buildings and to introduce stricter regulations on the construction of new buildings. The greatest attention in both defined objectives is paid to the integration of renewable energy resources and the increase in efficiency of fossil fuel transformation technologies. In 2004 heat demand in 25 EU member states (EU-25) was 6100 TWh. In the European Solar Thermal Technology Platform Report on Solar Heating and Cooling for a Sustainable Energy Future in Europe, it is projected that the heat energy demand be reduced by 36 % or to 3930 TWh of heat energy demand until 2030. It has been estimated to cover 20 % of heat energy demand in EU-25 with solar thermal energy until year 2030 [1]
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