Antora Energy raises $550M in Series C financing to expand thermal battery production

Type: Financing · Technology: Storage · Country: United States · Value: $550M · Announced: 2026-07-31

Antora Energy secured $550 million in a Series C financing round, with the capital provided by a consortium of investors including G2 Venture Partners, Eclipse, Ribbit Capital, Salesforce Ventures, Activate Capital, John Doerr, Westly Group, StepStone Group, Liberty Mutual Strategic Ventures, Decarbonization Partners, Impact Science Ventures, Trust Ventures, Breakthrough Energy Ventures, and Lowercarbon Capital. The funding will be used to scale production of Antora’s thermal battery technology and to accelerate deployment of large‑scale energy storage projects across the United States, building on its recent 5 GWh battery installation in South Dakota. Antora plans to establish a second U.S. manufacturing hub and strengthen its domestic supply chain, targeting rapid delivery of stored heat and electricity to industrial customers and data centers. The investment underscores growing investor confidence in thermal storage as a solution for the energy bottleneck faced by factories and data centers, positioning Antora to meet soaring power demand. The round was co‑led by G2 Venture Partners and Eclipse, with the participating investors bringing strategic expertise in clean‑energy finance and technology commercialization.

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