Data Centers and the Future of Energy Storage | Switched On
From Switched On
Cachelene McManus•Associate, Technology and Innovation Team, Bloomberg NEF
Executive Summary
The AI-driven data center boom is creating a significant new market for on-site battery storage, potentially increasing the total U.S.
market by 30%.
Batteries are evolving from traditional short-duration backup (UPS) to larger, 2-4 hour systems that help developers bypass long grid interconnection queues and manage spiky AI power loads.
A slowdown in the EV market has created a battery oversupply, which is being readily absorbed by this new data center demand, with some automakers reallocating production to stationary storage.
Hyperscalers like Google are also investing in next-generation, long-duration storage (e.g., 100-hour iron-air batteries) to unlock cheap renewable energy and de-risk future technologies.
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Concerns Raised
Safety risks associated with large-scale lithium-ion batteries, highlighted by a fire at a South Korean data center.
Lack of standardized blueprints for these installations, making each project a custom and complex integration challenge.
Long-term business models for these battery assets are still undefined, as many are currently deployed as temporary 'bridge solutions'.
Opportunities Identified
A potential 30% expansion of the U.S. battery energy storage market driven by new data center use cases.
Accelerating the timeline for bringing new AI data centers online by circumventing grid connection delays.
Future revenue streams from providing grid services (e.g., peak shifting, arbitrage) once grid connections are established.
Enabling data centers to be built in regions with high concentrations of cheap but intermittent renewable energy.