To effectively support the objectives of the global renewables alliance, which calls for a 3x increase in renewable energy by 2030, the existing LDES [Long Duration Energy Storage] supply chains demand substantial reinforcement. This strengthening is particularly critical, given the timing of supply chain expansion closely tied to the penetration of renewables. As renewable energy generation experiences a worldwide inflection point, the broader market's demand for grid integration and flexibility services intensifies, dramatically expanding the potential market for LDES solutions. Consequently, the supply chain must prepare to accommodate the anticipated surge in LDES adoption throughout the 2030s. To proactively address this impending expansion, robust planning and analytics are essential to support manufacturing facilities effectively. This entails the identification of supply chain risks and the implementation of corresponding interventions across the spectrum of raw materials, sub-components, manufacturing, and assembly. By improving the supply chain, costs can be driven down, thanks to the benefits of consistent, predictable, and manageable sourcing, which, in turn, enhance manufacturing efficiency. In fact, successful supply chain enhancements have the potential to contribute between 5% to 10% of the overall technology performance and cost curve improvement. However, for LDES to gain traction and take off before 2030, the supply chain infrastructure must scale significantly to accommodate the substantial deployment required in this decade. As the timeline progresses, the supply chains should mature, mirroring the structure of current supply chains in utility-scale variable renewables, battery storage development, and pumped storage hydropower projects. Our ongoing efforts to commercialize LDES should focus on establishing LDES technology as increasingly reliable and bankable while ensuring a secure supply chain, thus mitigating risks and reducing the reliance on government support. This can be achieved through demonstrating a clear path to a stable supply chain, complemented by comprehensive supply chain assessments. Moreover, LDES technology must consistently prove its readiness for rapid deployment, emphasizing supply chain readiness as a pivotal factor. It must also demonstrate progress along its cost curve, showcasing its ability to reduce or eliminate risks for investors. This progress can be substantiated through rigorous assessments and the reinforcement of supply chains. Given the protracted timeline necessary to establish a reliable, end-to-end supply chain [typically spanning 10-15 years], it is imperative that planning commences well in advance of technology demand reaching an inflection point, expected between 2030 and 2035.