Fluence Unveils Smartstack, a High-Density AC-based Energy Storage Platform with a Breakthrough Modular Design

Core Insights - Fluence Energy, Inc. has launched Smartstack™, a high-density, AC-based energy storage platform designed for grid-scale applications, with deliveries expected to start in Q4 2025 [1][2] - Smartstack offers approximately 30% higher energy density compared to existing AC-based systems, achieving up to 7.5 MWh energy density with 300 Ah generation batteries [2][5] - The platform's modular design allows for flexible configurations, catering to various market needs with storage durations of 2, 4, 6, and 8 hours available for sale [3][5] Product Features - Smartstack's design splits battery storage systems into easily transportable units, reducing shipping constraints and installation complexity [2][4] - The system includes a Smart Skid base platform that integrates advanced cooling, power control, and monitoring capabilities, while battery pods can be swapped for maintenance or upgrades [4][5] - Smartstack guarantees up to 99% availability through a long-term service agreement, enhancing revenue generation for customers [5][7] Market Positioning - The product addresses critical industry challenges such as supply chain constraints, performance, and land use, making it suitable for previously constrained sites [1][6] - Fluence has a strong track record, having deployed over 37.7 GWh of storage projects globally, including the first grid-connected system [7][9] - The modular design supports a localized supply chain strategy, optimizing availability and cost while enhancing resilience against geopolitical disruptions [6][9] Safety and Compliance - Smartstack incorporates advanced safety features, including multi-layer protection systems and large-scale fire testing certification, ensuring high safety standards [7] - The platform maintains Fluence's commitment to cybersecurity and safety, crucial for operational integrity in energy storage solutions [7]