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  06 Jul 2026

  Cooling vendor Wafr Technologies raises $100m - report

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  17 Mar 2026

  Factory waste heat could help cool data centers thanks to novel zeolite 'thermal battery'

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  22 Apr 2025

  Exowatt raises $70m in Series A funding, touts 90GWh pipeline from data center market

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  23 Jul 2024

  Brenmiller Energy could use crushed rocks in thermal data center cooling system

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  23 Apr 2024

  OpenAI’s Sam Altman and a16z back data center-focused thermal energy company Exowatt