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<p>Circular community waste-to-biogas systems are increasingly promoted as decentralized solutions for organic waste valorization and low-carbon energy generation in emerging economies. However, their decarbonization performance is often constrained by interconnected institutional, financial, technical, and socio-behavioral barriers that remain structurally underexplored. This study proposes an integrated Entropy–DEMATEL–Root Cause Analysis (RCA) framework to structurally prioritize and diagnose barriers within circular community waste-to-biogas supply chains. Entropy weighting quantifies informational significance, DEMATEL maps causal interdependencies, and RCA establishes hierarchical transmission pathways to identify upstream root causes and downstream effects. The results reveal that institutional weaknesses, particularly regulatory inconsistency and fragmented governance, act as dominant driving factors that propagate financial and operational instability. Financial constraints and investment uncertainty function as transmission mechanisms linking governance gaps to technical inefficiencies. Socio-environmental issues, including methane leakage risks and community resistance, emerge primarily as downstream consequences rather than independent drivers. By integrating quantitative prioritization with hierarchical causal diagnosis, this study advances structural decarbonization analysis in circular supply chains and provides a replicable decision-support framework for sustainable renewable energy transitions in emerging economies.</p>

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Circular Community Waste-to-Biogas Supply Chain Decarbonization in Emerging Economies: an Entropy–DEMATEL–RCA Framework for Structural Prioritization and Root Cause Diagnosis

  • 期刊论文

  • 发表日期：

    2026年4月24日

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  • Ilyas Masudin,
  • Dian Palupi Restuputri,
  • Dwi Iryaning Handayani

摘要

Circular community waste-to-biogas systems are increasingly promoted as decentralized solutions for organic waste valorization and low-carbon energy generation in emerging economies. However, their decarbonization performance is often constrained by interconnected institutional, financial, technical, and socio-behavioral barriers that remain structurally underexplored. This study proposes an integrated Entropy–DEMATEL–Root Cause Analysis (RCA) framework to structurally prioritize and diagnose barriers within circular community waste-to-biogas supply chains. Entropy weighting quantifies informational significance, DEMATEL maps causal interdependencies, and RCA establishes hierarchical transmission pathways to identify upstream root causes and downstream effects. The results reveal that institutional weaknesses, particularly regulatory inconsistency and fragmented governance, act as dominant driving factors that propagate financial and operational instability. Financial constraints and investment uncertainty function as transmission mechanisms linking governance gaps to technical inefficiencies. Socio-environmental issues, including methane leakage risks and community resistance, emerge primarily as downstream consequences rather than independent drivers. By integrating quantitative prioritization with hierarchical causal diagnosis, this study advances structural decarbonization analysis in circular supply chains and provides a replicable decision-support framework for sustainable renewable energy transitions in emerging economies.