The cost of a 50kW lithium-ion battery storage system using LiFePO4 technology can range from $30,000 to $60,000 or more, depending on the quality and brand of the batteries. Lithium iron phosphate (LFP) batteries are the focus of the report, reflecting the stationary BESS. . This report is available at no cost from the National Renewable Energy Laboratory (NREL) at www. Cole, Wesley and Akash Karmakar. Cost Projections for Utility-Scale Battery Storage: 2023 Update. Department of Energy's (DOE) Energy Storage Grand Challenge is a comprehensive program that seeks to accelerate. . In the rapidly evolving field of energy storage, the 50kW battery storage system has gained significant attention due to its applicability in various scenarios such as residential, commercial, and industrial settings. These systems are install-ready and cost-effective, offering on-grid, hybrid, and off-grid capabilities. With the global energy storage market hitting a jaw-dropping $33 billion annually [1], businesses are scrambling to understand the real. .