Ecolab agreed to purchase CoolIT Systems from KKR for about $4.75 billion in cash to expand its offerings in AI data center liquid cooling. The business is forecast to add approximately $550 million in sales over the next year and become accretive to earnings by 2028.

Its client list includes Nvidia and AMD.
The step aligns with broader industry movement away from traditional air-based systems toward liquid alternatives needed to manage elevated processor densities in AI environments.
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The Department of Energy has authorized PJM to require data centers to use backup power during a heat wave straining the grid this week. The move highlights growing electricity demand from AI-driven data centers in a region with the world's largest concentration of such facilities.
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