Abstract
This paper proposes the use of decomposition analysis to assess the effect of local energy-related actions towards climate change mitigation, and thus improve policy evaluation and planning at the local level. The assessment of the impact of local actions has been a challenge, even from a strictly technical perspective. This happens because the total change observed is the result of multiple factors influencing local energy-related greenhouse gas (GHG) emissions, many of them not even influenced by local authorities. A methodology was developed, based on a recently developed decomposition model, that disaggregates the total observed changes in the local energy system into multiple causes/effects (including local socio-economic evolution, technology evolution, higher-level governance frame and local actions). The proposed methodology, including the quantification of the specific effect associated with local actions, is demonstrated with the case study of the municipality of Malmö (Sweden) in the timeframe between 1990 and 2015.
Highlights
The role of local actions towards the achievement of global targets on climate change mitigation is widely recognized by academics and policy makers
This work proposes a methodology for the assessment of the local path towards climate change mitigation, and of the contribution of local actions towards this path, based on the disaggregation model presented by Azevedo [14]
The model provides a decomposition of the observed total changes of a local energy system into the individual effects of the several factors of change, including external factors and local actions for climate change mitigation
Summary
The role of local actions towards the achievement of global targets on climate change mitigation is widely recognized by academics and policy makers. Current practice regarding the assessment of local actions for climate change mitigation consists mostly of the comparison of the local energy system before and after the policies’ implementation, without taking into account external factors, or taking into account, at most, the changes in the national or regional electricity systems [8]. This paper consists of a demonstration of how a more detailed assessment of local actions, taking into account the effects associated external factors by decomposition analysis, can improve current practice on the evaluation of local actions.
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