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Energy Vault Secures Additional $15 Million in Funding through Convertible Debentures

PUBLIC · NRGVJan 02, 2026

Amount Raised

$15 Million

Round Type

Convertible Note

Westlake VillageManufacturingEnergyRenewable EnergySolarEnergy ManagementEnergy StorageEnergy EfficiencyPower GridBiomass EnergyClean Energy

Investors

Ya II Pn, Ltd.

Description

Energy Vault Holdings, Inc has entered into an amendment to its existing Securities Purchase Agreement with YA II PN, Ltd to raise an additional $15.0 million through the issuance of senior unsecured convertible debentures. This follows previous closings where the company raised a total of $50.0 million in aggregate principal amount. The funding will support the company's growth and development goals. Energy Vault continues to make strides in advancing its sustainable energy storage solutions.

Who else raised in Energy and Renewable Energy around the same time

Companies in the same sectors as Energy Vault that raised within 45 days of this round, from Fundz verified event records.

  • Amprius Technologies raised $98M (Post-IPO Equity) on January 12, 2026.
  • Capstone Energy Plus, Inc. raised $15M (Post-IPO Equity) on November 24, 2025.
  • Plentify raised $15M (Series A) on November 18, 2025.
  • Derapi raised $7M (Seed) on February 3, 2026.
  • Moment Energy raised $4M (Debt Financing) on November 18, 2025.
  • Grew Energy Private Limited raised $116M (Funding Round) on February 13, 2026.

Who to call at Energy Vault, and when

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Company Information

Company

Energy Vault

Location

Westlake Village, California, United States

About

Energy Vault is the creator of renewable energy storage products that are transforming the world’s approach to utility-scale energy storage for grid resiliency. Applying conventional physics fundamentals of gravity and potential energy, the system combines advanced material science and proprietary, machine-vision AI software that autonomously orchestrates the charging and discharging of electricity using ultra low cost composite bricks and innovative mechanical crane systems. Utilizing 100 percent eco-friendly materials with the ability to integrate waste materials for beneficial re-use at unprecedented economics, Energy Vault is accelerating the shift to a circular economy and a fully renewable world. For more information about Energy Vault, please visit energyvault.com and @EnergyVaultInc.

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Related People

2 contacts
Verified contactsLucas S., Vice President of Sales- Asia Pacific hidden hidden hiddenSee plans and pricing
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Energy Vault raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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