Abstract
The building and construction sector is responsible for 3.4% of total GHG emissions in Norway. Around 95% of these emissions arise from the combustion of fossil fuels for the operation of construction machinery and transport. This highlights the importance of transitioning to renewable energy sources for the operation of construction sites. To facilitate this transition, a new concept is emerging in Norway, called emission free construction sites. To fully implement this concept, a clear and consistent definition of emission free construction sites and a commonly agreed stepwise approach to decarbonisation of construction activities is required. This paper presents a chronology of the development of emission free construction sites in Norway to further develop a framework. First, a review of experiences from different research and on-going national activities are presented as a background. The results from applying this framework on construction sites in Norway are presented and issues around harmonisation of definitions, standards, and system boundaries are discussed. The results of this paper are relevant for actors within the construction industry that are interested in reducing GHG emissions from construction works. In conclusion, this paper presents the first steps towards the decarbonisation of construction sites in Norway and demonstrates how Norway has become a testbed for the electrification of construction machinery on construction sites.
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