Large potentials for energy saving and greenhouse gas emission reductions from large-scale deployment of zero emission building technologies in a national building stock

Nina Holck Sandberg, Jan Sandstad Næss, Helge Brattebø, Inger Andresen and Arild Gustavsen

Energy Policy, 2021, vol. 152, issue C

Abstract: High energy and material demand in the building sector causes large greenhouse gas (GHG) emissions. This sector needs large-scale technological improvements in the transition to a future low-emission society. Extensive research is carried out on highly energy-efficient and zero emission buildings (ZEB), but the new technologies slowly penetrate the market. Until now, no bottom-up studies have applied a dynamic building stock energy model at the national level to quantify effects of a large-scale ZEB introduction. Using the RE-BUILDS 2.0 model, we explore and extensively discuss the aggregated potential for energy and GHG emission savings in the Norwegian building stock towards 2050. A Baseline scenario is compared with two ZEB scenarios assuming introduction of the ZEB definition and ZEB technologies applied in the future new built and renovated buildings, with an increased ambition level over time. The results reveal a large potential for energy and GHG emission savings of ZEB deployment towards 2050. Hence, stricter future regulations and practice will have important aggregated effects. Due to the long lifetime of buildings and potential lock-in effects, it is urgent that ZEB policies are implemented if the climate change mitigation potential of the Norwegian building stock is going to be reached.

Keywords: Dynamic building stock modelling; Zero emission building technologies; Scenario analysis; Energy saving potential; GHG emission saving potential; ZEB transition (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (18)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:enepol:v:152:y:2021:i:c:s0301421520308259

DOI: 10.1016/j.enpol.2020.112114

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