Title: Renewable Energies Opportunities in the Mediterranean Built Environment
Authors: BLOEM JOHANNES
Citation: Proceedings of the Global Conference on Renewable Energies Approaches for Desert Regions p. 1-8
Publisher: University of Jordan
Publication Year: 2007
JRC N°: JRC34339
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC34339
Type: Articles in periodicals and books
Abstract: Introduction of renewable energy technologies in the built environment gives opportunities to improve the energy performance of buildings. In particular the use of solar energy applications offers a variety of possibilities. In the Mediterranean area, solar energy is considered a huge source for heating water and producing electricity. However the present diffusion of these technologies demonstrates that barriers exist for a wide implementation. Cyprus and Greece know a relative high density of solar collectors for hot tap water, whereas Italy and France lag behind. The Renewable Electricity Sources Directive [1] and the Energy Performance of Buildings Directive [2] require all Member States to implement national regulations within the near future. Other European Directives are under preparation to stimulate further improvements in energy performance and energy efficiency in the building sector. Integration of renewable energy sources for heating and electricity in the built environment is also stimulated through national regulations in a few Member States. The philosophy underlying the study presented in this paper starts from the integral energy performance concept. The building can be considered as one entity that consumes energy to provide the required comfort to work and live in. Most of the present national regulations deal with components of the building, such as the maximum of thermal heat loss through the building envelope. All options for energy demand and supply must be considered together if society is to attain significant levels of energy efficiency and renewable energy deployment. In the domestic energy consumption sector a huge potential for reduction exists using technologies that are available to all. Recently Spain has shown a booming industry, partly due to the Barcelona Ordinance that regulates the implementation of low temperature systems for collecting and using active solar energy for the production of sanitary hot water in the buildings of the Barcelona municipality. The new Spanish building code [3] is a good example of regulations that stimulate the integration of renewable energies in buildings. The advantage of introducing solar energy, electrical and thermal systems in the build environment is often presented also as an option to reduce primary energy resources and therewith the harmful emissions for our climate. However the impact of these systems on the overall energy performance of a building is difficult measurable phenomena. This paper presents the integral energy performance approach and discusses in particular the options for solar energy systems in the Mediterranean built environment.
JRC Directorate:Sustainable Resources

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