As of recent estimates, the average cost is around $250 to $400 per kilowatt-hour (kWh) of storage capacity, equating to approximately $0. 40 per watt, depending on system design and size. . DOE's Energy Storage Grand Challenge supports detailed cost and performance analysis for a variety of energy storage technologies to accelerate their development and deployment The U. Department of Energy's (DOE) Energy Storage Grand Challenge is a comprehensive program that seeks to accelerate. . This report is available at no cost from the National Renewable Energy Laboratory (NREL) at www. gov/publications. Cole, Wesley and Akash Karmakar. Cost Projections for Utility-Scale Battery Storage: 2023 Update. Golden, CO: National Renewable Energy Laboratory. NREL/TP-6A40-85332. . How much do storage systems cost in New York in 2025? As of December 2025, the average storage system cost in New York is $1463/kWh. Given a storage system size of 13 kWh, an average storage installation in New York ranges in cost from $16,169 to $21,875, with the average gross price for storage in. . Energy storage costs can vary widely based on various factors. Lithium-ion batteries dominate the market due to their high efficiency and declining prices; 3. Additional costs include. . Battery storage prices have gone down a lot since 2010. In 2025, they are about $200–$400 per kWh. This is because of new lithium battery chemistries. Different places have different energy storage costs. China's average is $101 per kWh. Knowing the price of energy. . New kids on the block are rewriting pricing rules: San Diego's 2024 Virtual Power Plant project achieved $0. 38/watt through bulk purchasing – proving that teamwork beats solo efforts. Meanwhile, Boston's "Ice Battery" experiment uses frozen water storage at $0. 12/watt, though we're still waiting to. .