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. Check out the wholesale Energy Storage Systems pricelist from Shenzhen Intelligent Energy Co. Our products are designed to store excess energy generated from renewable sources such as solar panels. 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. Lovsun Energy stands out with an exceptionally high 75% reorder rate, suggesting strong customer satisfaction, despite only two years in operation.