Framework for Quantifying Energy Impacts of Rehabilitation of Derelict Buildings: Assessment in Lisbon, Portugal

Pedro Lima, Patrícia Baptista () and Ricardo Gomes
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Pedro Lima: Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
Patrícia Baptista: IN+, Centre for Innovation, Technology and Policy Research, LARSyS–Laboratory for Robotics and Engineering Systems, Instituto Superior Técnico, Universidade de Lisboa, 049-001 Lisbon, Portugal
Ricardo Gomes: IN+, Centre for Innovation, Technology and Policy Research, LARSyS–Laboratory for Robotics and Engineering Systems, Instituto Superior Técnico, Universidade de Lisboa, 049-001 Lisbon, Portugal

Energies, 2023, vol. 16, issue 9, 1-19

Abstract: Cities are currently responsible for an important part of energy consumption and greenhouse gas emissions, justifying the need to develop measures to help them become more sustainable. One of those measures can be to address under-utilized assets in cities, such as derelict buildings with high potential for rehabilitation, and the establishment of new residence hubs within cities. Consequently, this work establishes a novel framework for evaluating the impact of rehabilitating these buildings in an urban area in Lisbon, considering the energy consumption associated with the usage of the dwelling as well as the impact on mobility, since it was considered that these buildings will be occupied by people who currently work nearby but live in the outskirts of Lisbon, favouring an urban planning of proximity between home and work. To this extent, a methodology was developed for selecting the buildings to be analysed and the commuting movements to be replaced. Then, buildings were simulated in an urban building energy modelling (UBEM) tool, considering three rehabilitation scenarios, and the required primary energy, CO 2 emissions, and costs were calculated. Regarding mobility, three new scenarios were compared with the current scenario. The results obtained confirm the high potential savings from the rehabilitation of derelict buildings and in the best-case scenario—corresponding to the rehabilitation considering envelope insulation, the installation of efficient windows, and the adoption of a heat pump together with a mobility standard targeting 15 min cities—reductions of 76% in primary energy and 84% in CO 2 emissions were achieved.

Keywords: derelict buildings; energy retrofitting; urban mobility; UBEM (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: View citations in EconPapers (1)

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