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The climate opportunities and risks of improving building envelopes across 1,677 Chinese cities

Urheber*innen

Zhang,  Yufei
External Organizations;

Dang,  Mengyuan
External Organizations;

Chu,  Chunli
External Organizations;

Behrens,  Paul
External Organizations;

Berrill,  Peter
External Organizations;

Zhong,  Xiaoyang
External Organizations;

Jing,  Rui
External Organizations;

Lei,  Nuoa
External Organizations;

Jia,  Hongyuan
External Organizations;

Zhang,  Lixiao
External Organizations;

Shao,  Chaofeng
External Organizations;

Masanet,  Eric
External Organizations;

Ju,  Meiting
External Organizations;

Liu,  Lirong
External Organizations;

Chen,  Weiqiang
External Organizations;

Cao,  Zhi
External Organizations;

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Zitation

Zhang, Y., Dang, M., Chu, C., Behrens, P., Berrill, P., Zhong, X., Jing, R., Lei, N., Jia, H., Zhang, L., Shao, C., Masanet, E., Ju, M., Liu, L., Chen, W., Cao, Z. (2024): The climate opportunities and risks of improving building envelopes across 1,677 Chinese cities. - Cell Reports Sustainability, 1, 100269.
https://doi.org/10.1016/j.crsus.2024.100269


Zitierlink: https://publications.pik-potsdam.de/pubman/item/item_31886
Zusammenfassung
The global building sector consumes approximately 30% of final energy, making it crucial for climate change mitigation and adaptation. International calls for enhancing building energy efficiencies are growing, focusing on strategies such as energy-efficient building envelopes through renovation and replacement of older structures, along with electrification and fuel switching. However, the energy-saving potential of these improvements remains uncertain due to the complex interplay of building stock characteristics and climatic conditions. Here, we diagnose the compound effects of envelope improvements and climate change on China’s housing energy demand using a physics-based building energy model with fine spatial and temporal granularity, covering 1,677 sub-province-level cities. Our model shows that envelope improvements play very different roles in ameliorating climate change impacts on housing energy use across the country, highlighting the need for building climate-resilient energy supply and pursuing alternative energy efficiency strategies in less climate-resilient regions.