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Fluence Energy projects US data center energy storage demand could reach 550 GWh by 2030
Tuesday, December 23, 2025 at 06:56 PM
Fluence Energy has estimated the total data center battery energy storage system (BESS) market at approximately 325 GWh. Projections suggest that incremental data center power needs in the US through 2030 could require an additional 225 to 550 GWh of storage capacity, assuming 2 to 4 GWh of BESS per GW of power.
Context
Morgan Stanley has identified a significant demand catalyst for battery energy storage systems (BESS) driven by the rapid expansion of AI data centers. As developers face increasing power grid congestion, they are turning to BESS for backup power, load following, and faster grid integration. This shift suggests that current market forecasts likely underestimate the total addressable market, as battery storage transitions from a niche utility tool to a critical requirement for high-density computing infrastructure.
Energy storage leader Fluence Energy (FLNC) recently sized the total data center BESS opportunity at approximately 325 GWh. According to Morgan Stanley, modeling 2-4 GWh of storage for every gigawatt of incremental data center power needed in the U.S. through 2030 could result in 225-550 GWh of additional storage demand. This surge represents a massive growth trajectory for the semiconductor and energy supply chains as grid reliability becomes the primary bottleneck for the ongoing AI revolution.
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