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Renovated or replaced? Finding optimal solutions for the European building stock considering the cumulative CO2 emissions
According to the International Energy Agency (IEA), the buildings and buildings construction sectors combined are responsible for 36% of global final energy consumption and nearly 40% of total direct and indirect CO2 emissions. In Europe, one third of the energy-related emissions comes from the building sector. This has led to actions towards decarbonisation with great efforts on the renovation of the existing building stock. Yet, the application of energy efficiency measures such as upgrading the buildings’ envelope and heating systems is costly. In addition, for some cases this is not enough to achieve a satisfactory energy efficiency level. Hence, demolition and replacement might become the most cost-optimal solution. However, if the cumulative CO2 emissions were considered in both cases, what would be the cost-emissions trade-off in order to meet the overall EU emissions target for 2030?
Keywords: Energy systems, building performance simulation, energy efficiency, building physics, life-cycle assessment
The objective of this project is to develop a case study (focused on Germany) to simulate both renovation and replacement cases for a typical building to identify what would be the cost-optimal solution. This, by considering not only the operational energy-related CO2 emissions, but also the embodied ones in the building components. The candidate will make projections on both cases accounting for the baseline and future climate scenarios, comparing the operating energy consumption, resulting CO2 emissions, and costs.
The objective of this project is to develop a case study (focused on Germany) to simulate both renovation and replacement cases for a typical building to identify what would be the cost-optimal solution. This, by considering not only the operational energy-related CO2 emissions, but also the embodied ones in the building components. The candidate will make projections on both cases accounting for the baseline and future climate scenarios, comparing the operating energy consumption, resulting CO2 emissions, and costs.
Please see attachment for specific tasks.
Please see attachment for specific tasks.
If you are interested and need more detailed description about the project please contact Ms. Cristina Dominguez (cristina.dominguez@empa.ch) or Dr. Kristina Orehounig (kristina.orehounig@empa.ch)
If you are interested and need more detailed description about the project please contact Ms. Cristina Dominguez (cristina.dominguez@empa.ch) or Dr. Kristina Orehounig (kristina.orehounig@empa.ch)