Mitigating emissions and costs through demand-side solutions in Chinese residential buildings
Kairui You (Basic Science Center for Energy and Climate Change, Beijing Institute of Technology)
Yan Li (Shenzhen Institute of Advanced Technologies, The Hong Kong Polytechnic University)
Weiguang Cai (Chongqing University)
Lulu Zhang (Beijing Institute of Technology, Basic Science Center for Energy and Climate Change)
Zhengxuan Liu (TU Delft - Design & Construction Management)
Wei Feng (Lawrence Berkeley National Laboratory, Shenzhen Institute of Advanced Technologies)
Yi Ming Wei (Basic Science Center for Energy and Climate Change, Beijing Institute of Technology)
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Abstract
The building sector plays a pivotal role in climate change mitigation. By regulating the demand for services and products from supply sectors, building sector can contribute to decarbonization. To assess the decarbonization and cost-saving potential of demand-side solutions for China’s residential building sector, this study develops a demand-side solution framework and an end-use technology model. The model covers the building sector and major supply sectors, considering the heterogeneous impacts of demand-side solution measures on different supply sectors. Here we show that the most optimistic cost-effective demand-side solution can reduce cumulative CO₂ emissions by 47% (42.21 Gt CO₂-eq), while achieving a 16% saving in the net present value of costs over the period 2020−2060. Additionally, results indicate that the demand-side solution enable China’s rural residential buildings to achieve carbon neutrality without carbon dioxide remove options, while simultaneously mitigating uncertainties in reaching carbon neutrality targets.
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