Portfolio-based decision model for enhancing the mitigation of multidimensional risks in hydrogen pipeline sections

Abstract

In exploring alternative and more sustainable sources, hydrogen has played a dominant role as an energy vector and is suitable for reducing carbon emissions. However, given the properties of hydrogen and existing transportation challenges for this substance, studies that involve assessing risk when transporting hydrogen still need attention. Therefore, this paper presents a multi-criteria decision model to support organizations responsible for transporting hydrogen in a pipeline in risk management under a multidimensional perspective. In particular, we developed a search algorithm to select sections within the set that makes up the pipeline network (a portfolio-based approach), with a view to identifying the most critical areas in terms of risks and to optimizing the allocation of resources for mitigation while respecting current requirements. In addition, these risks are evaluated under three dimensions of loss: environmental, financial, and human. Hence, a numerical application is presented to illustrate the benefits of the model proposed. The results demonstrate that the model can help managers make more informed and strategic decisions about where to direct their risk management efforts to maximize pipeline safety and minimize incident risks.