On average, commercial and industrial energy storage systems cost between $320 and $480 per kilowatt-hour (system-level, installed). Medium projects (500 to 1,000 kWh): Approximately $360 to $440. . The paragraphs below outline the major costs and provide a reasonable price range for C&I ESS. A C&I ESS. . In this article, we break down typical commercial energy storage price ranges for different system sizes and then walk through the key cost drivers behind those numbers—battery chemistry, economies of scale, storage duration, location, and system integration. These systems can be standalone or coupled with renewable energy generation, such as wind or solar.
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