Energy Vault Announces Closing of Upsized $150 Million Convertible Note and Improved Cost of Capital with Repayment of $45 Million in Existing Higher-Cost Convertible Debentures

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Energy Vault | 3 March 2026

Energy Vault Holdings, Inc, a global leader in sustainable grid-scale energy storage and AI power infrastructure, announced the closing of an upsized $150 million financing in convertible senior notes (versus the initially announced $125 million offering), strengthening its balance sheet and supporting continued execution of its own-and-operate strategy. 
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Energy Vault Announces Acquisition of 175 MW Battery Energy Storage System Project in Texas

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