Creation of Zero CO2 Emissions School Buildings Due to Energy Use in Crete-Greece

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DOI: 10.4236/ojee.2016.51002    1,024 Downloads   1,177 Views  
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Decrease of energy consumption in buildings and increase of the share of renewable energies in them are currently technologically and economically feasible and it is promoted by E.U. policies. After 2019, all the new public buildings in EU countries must be near zero energy buildings reducing their energy consumption and CO2 emissions. Use of various renewable energies for heat and power generation in school buildings in Crete-Greece can result in zeroing their fossil fuels consumption and CO2 emissions. Purpose of the current work is to investigate the possibilities of creating zero CO2 emissions school buildings in Crete-Greece due to operational energy use in them. A methodology which allows the replacement of fossil fuels with renewable energies in school buildings is proposed. Solar energy, solid biomass and low enthalpy geothermal energy, which are abundant in Crete, can be used for that. School buildings in Greece consume significantly less energy, 68 KWh/m2 year, and emit less CO2, 28 kgCO2/m2 year, than the corresponding buildings in other countries. The installation cost of renewable energies systems in order to replace all fossil fuels used in school buildings in Crete-Greece and to zero their CO2 consumption due to energy use in them has been estimated at 47.42 - 87.71 €/m2, which corresponds to 1.69 - 3.13 €/kg CO2 saved.

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Vourdoubas, J. (2016) Creation of Zero CO2 Emissions School Buildings Due to Energy Use in Crete-Greece. Open Journal of Energy Efficiency, 5, 12-18. doi: 10.4236/ojee.2016.51002.


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