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Ice batteries cut U.S. cooling costs and grid stress by freezing water at night for daytime use, saving millions and reducing emissions.
Ice thermal energy storage systems, or "ice batteries," are being adopted in U.S. buildings to reduce cooling costs and grid strain.
At Norton Audubon Hospital in Louisville, a 74,000-gallon system saved nearly $4 million since 2016 by freezing water at night and using it for daytime cooling.
The technology, used in hospitals, schools, and data centers, helps shift energy use to off-peak hours, lowers emissions, and offers a safer alternative to lithium-ion batteries.
California leads adoption due to climate and energy policies, and growing demand from AI-driven data centers is accelerating deployment.
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Las baterías de hielo reducen los costos de refrigeración de Estados Unidos y el estrés de la red al congelar el agua por la noche para su uso diurno, ahorrando millones y reduciendo las emisiones.