Assessment of Subsidization Strategies for Multi-Objective Optimization of Energy Efficiency Measures for Building Renovation at District Scale

Federico Battini, Giovanni Pernigotto (), Federica Morandi, Andrea Gasparella and Jérôme Henri Kämpf
Additional contact information
Federico Battini: Competence Centre for Mountain Innovation Ecosystems, Free University of Bozen-Bolzano, 39100 Bolzano, Italy
Giovanni Pernigotto: Competence Centre for Mountain Innovation Ecosystems, Free University of Bozen-Bolzano, 39100 Bolzano, Italy
Federica Morandi: Faculty of Engineering, Free University of Bozen-Bolzano, 39100 Bolzano, Italy
Andrea Gasparella: Faculty of Engineering, Free University of Bozen-Bolzano, 39100 Bolzano, Italy
Jérôme Henri Kämpf: Energy Informatics Group, Idiap Research Institute, 1920 Martigny, Switzerland

Energies, 2023, vol. 16, issue 15, 1-23

Abstract: In recent years, public authorities around the world have used incentive strategies to encourage the renovation of the existing building stock to meet the set carbon neutrality targets. However, the design of the incentives typically does not consider that the subsidized energy efficiency measures should result in robust long-term improvements with respect to various objectives. Moreover, building energy retrofit analyses are commonly conducted at the individual building level rather than at urban scale, which could instead significantly accelerate the renovation rate. In this context, the current research aims to combine these different factors to support the design of building energy retrofit programs. We developed 21 subsidization strategies and their impact was evaluated on a parametric multi-objective optimization with respect to energy, economic, and environmental performance for a district located in Bolzano, Northern Italy. The optimization was performed considering a set of energy efficiency measures, pertaining to building envelope, climate change, economic scenarios, and two types of energy supplies. The results showed that (1) the impact of climate change is limited for the climate of Bolzano; (2) the type of energy supply strongly influences the economic feasibility of the retrofit investments; (3) when the investment is profitable, the optimal solutions include those measures with the largest impact on energy efficiency; and (4) subsidization strategies modify the number and composition of the Pareto solutions.

Keywords: subsidization strategies; urban building energy modeling; urban simulation; CitySim; building energy retrofitting; multi-objective optimization; climate change (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
https://www.mdpi.com/1996-1073/16/15/5780/pdf (application/pdf)
https://www.mdpi.com/1996-1073/16/15/5780/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:16:y:2023:i:15:p:5780-:d:1209686

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().