Integrated assessment of supply risks, techno-economic and environmental factors for sustainable hybrid energy systems with emerging storage technologies: A MCDM approach

Sayan Das, Risav Dutta and Sudipta De

Applied Energy, 2025, vol. 399, issue C, No S0306261925012498

Abstract: This study presents a novel approach for developing decentralized hybrid energy systems by integrating renewable energy sources with energy storage technologies, offering a sustainable pathway for energy transition. Energy storage enhances the reliability, efficiency, and flexibility of these systems, balancing supply and demand, stabilizing the grid, and enabling higher renewable energy penetration. However, traditional energy models often overlook the role of raw materials in renewable energy infrastructure. This study addresses this gap by evaluating raw materials based on their environmental impact, economic feasibility, and supply risks. The availability, cost, and sustainable sourcing of critical materials significantly affect the scalability of energy technologies, while geopolitical and market uncertainties create supply chain risks. We propose a methodology integrating material-specific techno-economic optimization, life cycle assessment, and supply risk indicators into energy system models to better understand raw material requirements. By optimizing a mix of conventional and non-conventional energy sources alongside three storage technologies, we develop a solution that meets load demand while minimizing risks. Our results identify the most cost-effective, environmentally friendly, and low-risk energy combinations. The photovoltaic-Wind-diesel generator-Vanadium redox flow battery configuration emerges as the optimal solution, with a levelized cost of energy of $0.253/kWh, a composite risk score of 0.291, and moderate environmental impact.

Keywords: Decentralized hybrid energy system; Economic optimization; Environmental impact assessment; Supply risk; MCDM (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:399:y:2025:i:c:s0306261925012498

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DOI: 10.1016/j.apenergy.2025.126519

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