期刊
TECHNOLOGICAL FORECASTING AND SOCIAL CHANGE
卷 175, 期 -, 页码 -出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.techfore.2021.121313
关键词
Sufficiency; 1.5 degrees C; Living space; Heat demand; Building sector; Paris Agreement; Energy transition; CO2-neutrality
The decarbonisation of the German heating sector is challenging but necessary. Fast reduction of energy demand and increase of renewable energy supply are required. However, existing efficiency and consistency measures have limitations in terms of potential, expansion speed, resources, and acceptance. Sufficiency measures, which have high potential in reducing heat demand and alleviating pressure on the supply side, should be considered as an important pillar for a successful heat sector transformation.
The decarbonisation of the German heating sector is challenging but necessary when aiming to limit global warming to 1.5 degrees C. Therefore, a fast reduction of the energy demand side and an increase of renewable energy on the supply side is required. However, related efficiency (energetic modernisation) and consistency (renewable energy) measures are limited through their potential, expansion speed, resources and acceptance. Sufficiency as an underrepresented measure has a high potential for heat demand reductions and can thus also relax pressure on the supply side. Nevertheless, sufficiency measures in the heating sector have not been investigated thoroughly. In this study we present scenarios for the German heating sector including efficiency, consistency and sufficiency measures and analyse their compliance with limiting global warming to 1.5 degrees C. The results of the model-based analysis show that efficiency measures and renewable energy in combination with heat pump expansion are not sufficient. Sufficiency measures, such as a reduced living space, have a high CO2-emission reduction potential and must be considered as one important pillar for a successful heat sector transformation.
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