For a 200W device, the total project cost can range from a low baseline of about $70 to a high of roughly $1,300 when installation is included. The per-hour running cost is tied to usage and local electricity rates, commonly around 10–25 cents per hour for typical operation. 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. Cole, Wesley and Akash Karmakar. Cost Projections for Utility-Scale Battery Storage: 2023 Update. The main drivers are device efficiency, lifespan, installation requirements. . The 2022 Cost and Performance Assessment includes five additional features comprising of additional technologies & durations, changes to methodology such as battery replacement & inclusion of decommissioning costs, and updating key performance metrics such as cycle & calendar life. In 2025, they are about $200–$400 per kWh. Different places have different energy storage costs.