Flow batteries store energy in liquid chemicals outside the main reaction area, allowing easy scaling of stored energy independent of power output. The concept of Flow Battery Integration fundamentally involves connecting these storage systems into a larger energy network or system. . This technology strategy assessment on flow batteries, released as part of the Long-Duration Storage Shot, contains the findings from the Storage Innovations (SI) 2030 strategic initiative. The objective of SI 2030 is to develop specific and quantifiable research, development, and deployment (RD&D). . Flow batteries are a class of rechargeable electrochemical energy storage devices where energy is stored in liquid electrolytes contained in external tanks. Their growth in grid-scale applications and microgrids are primary drivers of market expansion. You can increase capacity by adding more. .