Toward a Biomethane Strategy for Türkiye: A Comparative Policy Perspective with Italy

This study presents the first academically grounded framework for developing a national biomethane strategy in Türkiye, addressing a critical gap in renewable gas governance. Using Italy as a comparative reference within a Most Similar Systems Design (MSSD) framework, the paper applies a structured policy transfer approach supported by multi-criteria decision analysis (MCDA), a policy comparability matrix, cosine similarity scoring (0.964), SWOT analysis, and the OECD’s Policy Coherence for Sustainable Development (PCSD) principles.The framework integrates qualitative and quantitative tools to assess alignment in agricultural potential, infrastructure capacity, market regulation, and institutional governance. Key transferable elements from Italy include green certificate schemes, incentive structures for production with grid injection, and stakeholder mechanisms enabling biomethane scale-up. Türkiye’s strengths (e.g., biomass availability), weaknesses (e.g., institutional fragmentation), and opportunities (e.g., EU-aligned reforms) are examined alongside key threats, particularly the intrinsic complexities of its natural gas market and coordination gaps.Italy’s experience further informs broader strategic insights: prioritizing biomethane over biomass-based electricity generation, leveraging models like Biogasdoneright to integrate agriculture and energy, and positioning biomethane as a decarbonization tool for transport and industry—especially under the EU Carbon Border Adjustment Mechanism (CBAM). This transition logic emphasizes biomethane in hard-to-electrify sectors, where it adds more systemic value than traditional biomass-to-electricity uses increasingly served by solar and wind.The paper contributes to comparative energy governance literature by offering a replicable framework for institutional lesson-drawing. It provides actionable insights for emerging economies aiming to align bioenergy policy with long-term energy security, circular economy integration, and sustainability transitions.