According to Ember''s Decemreport “How cheap is battery storage?”, the all-in capital expenditure for large, long-duration utility-scale Battery Energy Storage System (BESS) projects has
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BloombergNEF''s 2024 global benchmark for core BESS equipment was around $165/kWh, but this figure averages higher-cost markets such as the U.S. and a wider supplier base. The $75/kWh cited for
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Industry data reveals current BESS project costs range between $280,000 to $480,000 per MWh installed, depending on configuration and ancillary components.
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Commercial & Industrial systems: $0.319–$0.506/kWh for 1MW/2-hour setups. In China, intense market competition, a mature supply chain, and favorable policies have driven LCOS for large-scale BESS to among
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Across global markets outside China and the United States, the total capex to build a long-duration (4 hours or more) utility-scale BESS project is around $125/kWh, of which around $75/kWh is for
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We use the capacity factor for a 4-hour device as the default value for ATB because 4-hour durations are anticipated to be more typical in the utility-scale market.
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In 2025, the global average price of a turnkey battery energy storage system (BESS) is US$117/kWh, according to the Energy Storage Systems Cost Survey 2025 from BloombergNEF (BNEF),
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As of 2024, the average price for a utility-scale BESS is approximately $148/kWh 1. For a 1 GWh system, this translates to $148 million. It''s important to note that this cost includes not just the batteries
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For example, a 1 MW / 4 MWh BESS has four hours of storage capacity.So, while the system might be $200,000 per MW, the effective cost can be $50,000 per MWh if it has four hours duration.
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4-hour: Typically used for load shifting and managing evening peak demand. 8-hour: Provides extended support during prolonged periods of low renewable generation or system stress. 10+ hour: Long duration BESS for
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