Abstract
Production sustainable energy is one of the crucial issues in all countries. In this sense, marine renewable energies (MREs) can play a prominent role for the sustainable development of societies due to its abundant and sustainable characteristics. On the other hand, different sustainability limitations and less research have restricted their rapid commercialization. This study aims to identify the important indicators influencing sustainable supply chain of marine renewable technologies, using evidence from different phase of supply chain in MREs. Offshore wind, waves, tidal range, tidal currents, ocean currents, ocean thermal energy conversion, and salinity gradients are the main branches of MREs technologies, and they are related to the sustainability criteria: technical, economic, social, and environmental. From the 345 indicators generated from literature, 33 different indicators are considered relevant in with those four criteria of sustainability in four sections of supply chain (sourcing, delivery and distribution, consumption, and recycling part) using Fuzzy Delphi method. The results of the Fuzzy Delphi process showed that marine energy production to the local environment, facility cost of energy production, and consumption of energy are of highest importance. So, this research serves as a valuable guide for policymakers, industry stakeholders, and researchers aiming to enhance the sustainability and viability of marine renewable energy supply chains.