@inproceedings{VossSartoriNapolitanoetal.2010, author = {Voss, Karsten and Sartori, Igor and Napolitano, Assunta and Geier, Sonja and Gonzalves, Helder and Hall, Monika and Heiselberg, Per and Wid{\´e}n, Joakim and Candanedo, Jos{\´e} A. and Musall, Eike and Karlsson, Bj{\"o}rn and Torcellini, Paul}, title = {Load Matching and Grid Interaction of Net Zero Energy Buildings. EuroSun Conference 2010, Graz}, address = {Graz}, organization = {EuroSun Conference 2010}, year = {2010}, abstract = {"Net Zero Energy Building" has become a prominent wording to describe the synergy of energy efficient building and renewable energy utilization to reach a balanced energy budget over a yearly cycle. Taking into account the energy exchange with a grid infrastructure overcomes the limitations of seasonal energy storage on-site. Even though the wording "Net Zero Energy Building" focuses on the annual energy balance, large differences may occur between solution sets in the amount of grid interaction needed to reach the goal. The paper reports on the analysis of example buildings concerning the load matching and grid interaction. Indices to describe both issues are proposed and foreseen as part of a harmonized definition framework. The work is part of subtask A of the IEA SHCP Task40/ECBCS Annex 52: "Towards Net Zero Energy Solar Buildings".}, language = {en} } @inproceedings{MarszalBourelleMusalletal.2010, author = {Marszal, Anna Joanna and Bourelle, Julien S. and Musall, Eike and Heiselberg, Per and Gustavsen, Arild and Voss, Karsten}, title = {Net Zero Energy Buildings - Calculation Methodologies versus National Building Codes}, series = {EuroSun Conference 2010, Graz, 28.9-30.9.2010}, booktitle = {EuroSun Conference 2010, Graz, 28.9-30.9.2010}, address = {Graz}, year = {2010}, abstract = {The international cooperation project IEA SHC Task 40 / ECBCS Annex 52 "Towards Net Zero Energy Solar Buildings", attempts to develop a common understanding and to set up the basis for an international definition framework of Net Zero Energy Buildings (Net ZEBs). Th e understanding of such buildings and how the Net ZEB status should be calculated differs in most countries. This paper presents an overview of Net ZEBs energy calculation methodologies proposed by organisations representing eight different countries: Austria, Canada, Denmark, Germany, Italy, Norway, Switzerland and the USA. The different parameters used in the calculations are discussed and the various renewable supply options considered in the methodologies are summarised graphically. Thus, the paper helps to understand different existing approaches to calculate energy balance in Net ZEBs, highlights the importance of variables selection and identify possible renewable energy supply options which may be considered in calculations. Finally, the gap between the methodology proposed by each organisation and their respective national building code is assessed; providing an overview of the possible changes building codes will need to undergo in the coming years.}, language = {en} } @article{VossMusallLichtmess2010, author = {Voss, Karsten and Musall, Eike and Lichtmeß, Markus}, title = {Vom Niedrigenergie- zum Nullenergiehaus: Standortbestimmung und Entwicklungsperspektiven}, series = {Bauphysik}, volume = {32}, journal = {Bauphysik}, number = {6}, publisher = {Wiley}, doi = {10.1002/bapi.201010049}, pages = {424 -- 434}, year = {2010}, abstract = {Kl{\"a}rung der Bilanzkriterien und Vorstellung der eigenen Bilanzmethodik}, language = {de} } @article{VossMusall2010, author = {Voss, Karsten and Musall, Eike}, title = {Null-Energie-H{\"a}user}, series = {XIA - intelligente Architektur}, journal = {XIA - intelligente Architektur}, number = {1-2}, year = {2010}, language = {de} } @techreport{VossEngelmannMusall2010, author = {Voss, Karsten and Engelmann, Peter and Musall, Eike}, title = {Energieoptimiertes Bauen: Demonstrationsbauvorhaben Sanierung eines B{\"u}rogeb{\"a}udes der 60er Jahre zu einem Niedrigenergiehaus. Schlussbericht, F{\"o}rderkennzeichen: 0329750X}, address = {Wuppertal}, doi = {10.2314/GBV:635443953}, pages = {108}, year = {2010}, language = {de} } @inproceedings{MusallWeissVossetal.2010, author = {Musall, Eike and Weiß, Tobias and Voss, Karsten and Lenoir, Aur{\´e}lie and Donn, Michael and Cory, Shaan and Garde, Fran{\c{c}}ois}, title = {Net Zero Energy Solar Buildings: An Overview and Analysis on worldwide Building Projects. EuroSun Conference 2010}, address = {Graz}, organization = {EuroSun Conference 2010}, year = {2010}, abstract = {This paper summarises the state of two research phases within the scope of the IEA Task 40 / Annex 52 "Towards Net Zero Energy Solar Buildings" [1]. The first objective is a cross section analysis of a comprehensive collection of more than 280 international zero energy buildings. The aim is to show trends, motives of actors, as well as their method to reach the zero energy balance. Secondly, an in-depth study shows a rough analysis and characteristics of 50 exemplary Nets ZEBs from different countries and climate regions, as well as their combinations of measures concerning energy efficiency and renewable energy supply. It is shown that diverse actors with miscellaneous motives have lead to a lot of different building variations. Typical strategies can be assigned to the typology groups "small residential building", "apartment building" and "non residential building". Net ZEBs are much more energy efficient than average buildings which were built according to national construction and energy regulations. None of the leading Net ZEB examples exist without generation of PV electricity. Trends give an outlook of current and possible future combinations of technologies and passive measures for the realization of (future) net zero energy buildings.}, language = {en} }