Demonstration of Application of Redox Flow Battery for Securing Demand-Supply Reserve Power and Improvement of Grid Resiliency

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  • 需給調整力の確保およびレジリエンス向上に向けたレドックスフロー電池の利用法の実証

Abstract

<p>In order to achieve net-zero carbon emissions by introducing enormous amount of renewable energy, it is essential to secure the reserve power to improve the power quality of the grid. On the other hand, improvement of the grid resiliency is also needed in case of emergency such as outage of the grid. The energy storage system can be the solution for both of securing the reserve power and improving grid resiliency. The authors have conducted demonstration project to validate the applicability of Redox Flow (RF) battery for securing the reserve power and improving grid resiliency. The results of the demonstration validated that the RF battery makes it possible to be used as reserve power and earn revenue through energy and ancillary market transactions during normal operations, in addition to providing power to blackout areas or the areas that outages are assumed, as an independent power source, during an emergency such as natural disasters and planned outages.</p>

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