Page 31 - ZEB AnnualReport 2015
P. 31

Table 1. Comparison of the properties and values for optimized and initial volumes (shown as vertical sections) for each orientation.



          The annual energy production, by using an   The main purpose of the work was to deine   Bruk av solenergisystemer som produserer
          appropriate PV technology, could reach 146   how energy eficiency and on-site renewable   energi som dekker bygningenes behov
          kWh/m , while the operational energy use   energy production can be implemented in   for energi, blir stadig viktigere, både på
               2
          could reach 75kWh/m  for the whole building   the design of a housing development, as   bygningsnivå og på områdenivå. Men, til
                         2
          complex. This amount of energy makes it   well as to what extent these strategies can   tross for at det er tilstrekkelig solstråling, i
          possible to cover approximately twice the   impact the energy and CO  balance. The   hvert fall i de sørlige og midtre deler av landet
                                                                2
          operational energy demand of the entire   site is developed based on the concept of an   (årlig innstråling i Grimstad er f.eks. ca. 900
          neighbourhood.                     eco-city as a sustainable urban form, thus   kWh/m ), er bruk av solenergi ennå ikke
                                                                                      2
                                             emphasizing the reduction of the ecological   spesielt utbredt i Norge. Det er derfor viktig
          To determine the ZEB level of the project, a   footprint.              å vurdere både energibehov og mulighetene
          comparison between the CO  emissions from                              for Integrering av solenergisystemer i tak og
                              2
          materials and operational energy use and   In conclusion, the integration of overall   fasader tidlig i en planprosess.
          the energy produced, was carried out. For   energy strategies can effectively reduce the
          the conversion of energy use and production   ecological footprint of a housing development.  Den stadig voksende befolkningen i
          from kWh to kgCO eq, the ZEB factor, 0.132   Nevertheless, to be able to recommend the   Trondheim har resultert I et økende behov for
                       2
          kgCO eq, was used. The total CO  emissions   implementation of those strategies, further   boliger. Statistisk Sentralbyrå (SSB) har antatt
              2
                                  2
          from the materials and operational energy   research and follow-up should be done to   at fra 2000 til 2030 vil byen vokse med 70 000
          were calculated to be 19.23 kgCO eq/m BRA/  acquire more quantitative data.  innbyggere. I lys av dette har området Øvre
                                      2
                                  2
          year, and energy production was calculated to                          Rotvoll, som forbinder Trondheim sentrum
          compensate for 19.36 kgCO eq/m BRA/year                                med Charlottenlund og Ranheim, et mål om
                                  2
                              2
          (Figure1). Therefore, the ZEB-OM level was                             å utvikles som et null-energi boligområde.
          achieved.                                                              Studien beskrevet under er del av delprosjekt
                                                                                 C, “Case studies and action research”, i Task
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