Energy Vault

Energy Vault® - Enabling a Renewable World™ Through Energy Storage

Westlake Village, United States · Founded 2017 · $510.0M raised

Employees
201–500
Founded
2017
Business Model
B2B
Total Funding
$510.0M
Last Round
$300.0M Growth EquityAug 2025
Rounds
3

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

About

Energy Vault Holdings, Inc. (NYSE: NRGV) is a publicly traded utility-scale energy storage company founded in 2017 and headquartered in Westlake Village, California. The company develops, deploys, and operates an integrated portfolio of energy storage solutions encompassing short-duration, long-duration, and ultra-long-duration technologies. Its proprietary product lines include the B-VAULT™ and B-Nest™ battery energy storage systems, the G-VAULT™ and EVx™ gravity-based storage systems, and the H-VAULT™ green hydrogen microgrid solution. Complementing these hardware platforms, Energy Vault offers the VaultOS™ energy management software, Vault-Bidder™ for automated energy market participation, and Vault-Manager™ for asset performance monitoring. The company delivers turnkey energy storage projects to utilities, independent power producers, and large energy users globally, and provides long-term service agreements to ensure ongoing operational performance. Energy Vault's team of energy industry experts is focused on accelerating decarbonization by reducing the cost of grid-scale clean energy storage and enabling greater penetration of renewable generation worldwide. In 2025, Energy Vault expanded its platform by acquiring an 850 MW energy storage portfolio from BayWa r.e. AG in Japan.

Summary

Energy Vault is a Clean Energy company based in Westlake Village, United States, founded in 2017. It has raised $510.0M in total across 3 rounds, most recently a $300.0M Growth Equity round in Aug 2025. Investors include SoftBank.

Tech & App Stack

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Funding History

Growth EquityGrowth EquityAug 2025
$300.0M

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Funding: Series B through Growth Equity. Amounts, valuations, and investors where available.

Investors

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