The ongoing geopolitical crisis in Europe has had a global impact on the energy sector, underscoring the pivotal role that geopolitics plays in stabilising or destabilising energy supply chains. Beyond the immediate disruption, this crisis imparts valuable lessons for future resilience in global energy management. Amid an environment shaped by energy market volatility, resource scarcity, and climate concerns, this study examines the current state of the energy supply chain and the profound influence of geopolitical factors on its security and sustainability. Using a narrative literature review approach, this paper examines how geopolitical factors, including the Russia-Ukraine conflict and Middle East tensions, influence energy security and accelerate the transition toward renewable and low-carbon energy solutions. The findings reveal critical insights into the operational state of the energy supply chain, illustrating how geopolitics is influencing energy security and sustainability efforts. The study also outlines a pathway forward, encouraging stakeholders to adopt a holistic perspective that includes all significant influences on the energy ecosystem. This paper offers comprehensive recommendations for sustainability strategies and policies that integrate considerations for energy security, environmental sustainability, and geopolitical risk.