A retrofitting obligation for French dwellings - A modelling assessment

Modélisation d'une obligation de rénovation des logements français

Lucas Vivier () and Louis-Gaëtan Giraudet ()
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Lucas Vivier: ENPC - École nationale des ponts et chaussées, CIRED - Centre International de Recherche sur l'Environnement et le Développement - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EHESS - École des hautes études en sciences sociales - AgroParisTech - ENPC - École nationale des ponts et chaussées - Université Paris-Saclay - CNRS - Centre National de la Recherche Scientifique
Louis-Gaëtan Giraudet: ENPC - École nationale des ponts et chaussées, CIRED - Centre International de Recherche sur l'Environnement et le Développement - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EHESS - École des hautes études en sciences sociales - AgroParisTech - ENPC - École nationale des ponts et chaussées - Université Paris-Saclay - CNRS - Centre National de la Recherche Scientifique

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Abstract: Retrofitting obligations are gaining traction among policy makers to overcome the sluggishness of energy efficiency improvements in residential buildings and the low effectiveness of most incentive programmes in changing this. Such an obligation was for instance the flagship proposal submitted by the Citizens' Convention for Climate to the French government. What are the costs and benefits of this little-studied measure? We examine this question using Res-IRF, a building stock model of French dwellings with endogenous retrofitting dynamics. We find that a retrofitting obligation is essential in allowing a net-zero energy target to be met in the residential sector. Crucially, the obligation makes up for the failure of most other programmes (subsidies, white certificate obligation, zero-interest loan, energy taxes) to trigger retrofits in private rental housing. As a result, the obligation is the most effective measure to eliminate the least efficient dwellings (EPC labels G and F) and its impact on energy savings and fuel poverty alleviation is twice that of all other existing measures combined. Against these benefits, we find the obligation to increase annual investment needs by 4 to 6 billion euros.

Keywords: energy efficiency; Res-IRF Model; retrofitting obligation (search for similar items in EconPapers)
Date: 2022-06-06
New Economics Papers: this item is included in nep-ene and nep-env
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Published in ECEEE Summer Study, Jun 2022, Hyères, France. pp.7-229-22

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-04012427

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