As of most recent estimates, the cost of a BESS by MW is between $200,000 and $420,000, varying by location, system size, and market conditions. This translates to around $150 - $420 per kWh, though in some markets, prices have dropped as low as $120 - $140 per kWh. Key Factors. . The 261kWh liquid-cooled BESS is an advanced outdoor energy storage cabinet designed for commercial and industrial applications. Featuring a high-efficiency liquid cooling system, it ensures superior thermal balance, longer battery life, and stable performance under various environmental. . Individual pricing for large scale projects and wholesale demands is available., modular design, with the characteristics of safety, efficiency, convenience, intelligence, etc., make full use of the cabin. .