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A Decision-Making Framework for Early-Stage Design of Positive Energy Blocks

SSRN, ISSN: 1556-5068
2024
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Metric Options:   Counts1 Year3 Year

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  • Usage
    80

Article Description

This paper analyses how a group of three buildings can be transformed into a Positive Energy Block (PEB). PEB is an emerging energy paradigm based on an aggregation of buildings that produces more energy than it consumes. The current literature describes PEB as a mesoscale model compared to those focused on building and district scale. In contrast, this study is built upon the assumption that PEB has specific features that require a dedicated implementation procedure and indicators. A decision-making framework for PEB was developed and tested through a case study. The methodology introduces the PEB reference matrix (PEBref) organised into 25 ranks of feasibility, each of them characterised by a specific value of energy consumption and production. It describes how PEBref is structured and used to establish a rank target validated through a rank designed to determine the class of PEB feasibility. Concerning the case study, findings demonstrated that PEB is admissible, however, the achieved solution is under a critical class of feasibility due to intrinsic limits of the block. The insights from the case study highlighted that the PEB organisation is based on establishing a hierarchy among buildings rather than an aggregation of positive energy buildings. PEB is an isotropic, adaptable, and close system and its implementation is based on strategic actions distributed across the urban space and time rather than an established urban district. The developed decision-making framework has significant utility useful for decision-makers to prioritise actions in the early design stages and build future scenarios. This paper concludes by emphasising PEB's role in accelerating the rate of building renovation synchronising the implementation of low-carbon infrastructure and urban regeneration strategies.

Bibliographic Details

Maurizio Sibilla

Elsevier BV

Multidisciplinary; low-carbon transition; urban regeneration; positive energy scenario; Energy consumption; energy production; energy retrofit

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