Energia no Ambiente Construído - EAC
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Percorrer Energia no Ambiente Construído - EAC por Domínios Científicos e Tecnológicos (FOS) "Engenharia e Tecnologia::Engenharia Civil"
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- Harnessing Solar Energy for Urban Regeneration: Advancing Energy Communities to Mitigate Poverty and Empower Social NeighbourhoodsPublication . Viana, Susana; Aelenei, Laura Elena; Ortigão, Margarida; Rodrigues, Ana; Cunha-e-Sá, Maria A.; Goncalves, Helder; Dinis, J.; Monteiro, Casimiro; Cabral, Joaquim; Segura, Iván Luque; Salom, J.ABSTRACT: This paper investigates Renewable Energy Communities (RECs) as innovative instruments for urban regeneration, focusing on their dual role in advancing decarbonisation and mitigating energy poverty. Cascais Municipality, aligned with EU climate neutrality objectives, launched a pilot in Alcabideche integrating technical deployment with social engagement. The intervention included photovoltaic (PV) systems on five public buildings (two with storage) and five social housing blocks, complemented by three electric vehicle chargers. Preliminary monitoring indicates reductions in household electricity bills of up to 30%, contributing directly to alleviating energy poverty. To complement the technical implementation, structured surveys and focus groups were conducted with residents and local stakeholders. Findings reveal high levels of interest in participating in RECs, though concerns remain regarding information accessibility, trust in governance structures, and long-term benefits. Citizen engagement activities proved essential in overcoming these barriers, reinforcing social acceptance and community ownership. The initiative is supported by the WeGenerate project, which provides frameworks for replicating REC models across Europe, linking technological innovation with participatory governance. Results demonstrate that socially inclusive RECs can simultaneously enhance energy efficiency, reduce carbon emissions, and strengthen social cohesion, positioning them as critical enablers of equitable and resilient urban regeneration.
- Towards climate adaptation: a case study of a Coastal City in PortugalPublication . Aelenei, Laura Elena; Viana, Susana; Simões, Teresa; Amorim, Filipa; Simoes, Sofia; Barbosa, Juliana Pacheco; Justino, Paulo Alexandre; Goncalves, Helder; Dinis, J.; Fernandes, G.ABSTRACT: The present study focuses on the use of complementary numerical tools to support the development of a climate neutrality roadmap for Cascais, a coastal Portuguese city and one of the nine pilot cities in the Re-Value project. The results contribute to refining the roadmap and updating Cascais' long-term Territorial Transformation Plans to accelerate its journey to climate neutrality by 2050. For this, a spatial analysis was conducted to assess the potential for rooftop solar PV, onshore wind energy, and wave energy along the coastline. Additionally, an innovative and simplified Decision Support Tool (DST) was developed to support municipalities in the development of their climate neutrality roadmaps and was used in the design of the scenarios and trajectories, which are now being integrated into the climate neutrality roadmap for Cascais. The DST tool results show that in the High Development scenario, when compared with the reference year of 2019, the total final energy demand can decrease by 7.2 % in 2050 due to the implementation of energy efficiency measures following the concept "Energy Efficiency First" and along with the increase of electrification, the introduction of hydrogen in the transport sector, and a broader implementation of renewable energy in the urban fabric and public spaces, Green House Gas (GHG) emissions can decrease by 82 % in 2050.