Conference Editor

Jianshun Zhang; Edward Bogucz; Cliff Davidson; Elizabeth Krietmeyer

Keywords:

Deep renovation, Individual Renovation Roadmap, Bottom-up modelling, Energy Performance for Buildings Directive (EPBD), Energy performance targets.

Location

Syracuse, NY

Event Website

http://ibpc2018.org/

Start Date

26-9-2018 10:30 AM

End Date

26-9-2018 12:00 PM

Description

In order to achieve the Paris COP21 agreement, retrofitting activities in the building stock have to be strongly enhanced, therefore individual building renovation roadmaps (IBRR) can be an instrument for guiding building owners through this process. The research question of this paper is: how ambitious should individual building renovation roadmaps be to achieve consistency with future scenarios of the building stock’s energy performance? The methodology applied follows these steps: first, the bottom-up discrete choice building stock model Invert/EE-Lab (www.invert.at) is applied to develop a scenario of building stock related energy demand, CO2-emissions and costs until the year 2050. The scenario is based on the assumption of current or only slightly strengthened policies and results in 77% CO2- emission reductions of the building stock from 2012 to 2050. In the second step, we selected representative building types from the Invert/EE-Lab model scenarios. For these building types, we developed IBRR (individual building renovation roadmaps) based on previous experience and literature research. Further, we calculated the building’s new energy performance after the renovation measures defined in the IBRR. Finally, we analysed to which extent the energy saving through IBRR measures are in line with the simulated scenario. We carried out this study for the case of Germany. Moreover, we restrict the analysis to single-family houses. The results showed that - based on the approach of the IBRR – it would be required that annually about 4-6% of the buildings apply at least one refurbishment measure (change windows or insulate the roof, change heating system, etc.) in order to achieve a scenario, such as the one simulated by the model Invert/EE-Lab.

Comments

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DOI

https://doi.org/10.14305/ibpc.2018.pe-1.05

Creative Commons License

Creative Commons Attribution-Noncommercial 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License.

COinS
 
Sep 26th, 10:30 AM Sep 26th, 12:00 PM

Techno economic analysis of individual building renovation roadmaps as an instrument to achieve national energy performance targets

Syracuse, NY

In order to achieve the Paris COP21 agreement, retrofitting activities in the building stock have to be strongly enhanced, therefore individual building renovation roadmaps (IBRR) can be an instrument for guiding building owners through this process. The research question of this paper is: how ambitious should individual building renovation roadmaps be to achieve consistency with future scenarios of the building stock’s energy performance? The methodology applied follows these steps: first, the bottom-up discrete choice building stock model Invert/EE-Lab (www.invert.at) is applied to develop a scenario of building stock related energy demand, CO2-emissions and costs until the year 2050. The scenario is based on the assumption of current or only slightly strengthened policies and results in 77% CO2- emission reductions of the building stock from 2012 to 2050. In the second step, we selected representative building types from the Invert/EE-Lab model scenarios. For these building types, we developed IBRR (individual building renovation roadmaps) based on previous experience and literature research. Further, we calculated the building’s new energy performance after the renovation measures defined in the IBRR. Finally, we analysed to which extent the energy saving through IBRR measures are in line with the simulated scenario. We carried out this study for the case of Germany. Moreover, we restrict the analysis to single-family houses. The results showed that - based on the approach of the IBRR – it would be required that annually about 4-6% of the buildings apply at least one refurbishment measure (change windows or insulate the roof, change heating system, etc.) in order to achieve a scenario, such as the one simulated by the model Invert/EE-Lab.

https://surface.syr.edu/ibpc/2018/PE1/5

 

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