EnergyVault

● Recently verified Last updated: Apr 26, 2026 Data last verified: Jun 24, 2026

EnergyVault: $1.2B valuation, IPO Readiness 53, Public. Filed S-1 with the SEC on February 2022 — IPO actively in progress. Track live on The IPO Stack.

PublicClimate & Energypublic
53
/100
IPO Readiness Score
Grade D — Early Stage
TechStackIPO proprietary score based on funding scale, valuation, stage progression & momentum.
Track EnergyVault →

Long-duration energy storage company using gravity-based systems to store and discharge renewable energy.

Valuation
$1.2B
Total Funding
$388M
Stage
Public
Sector
Climate & Energy
Headquarters
Westlake Village, CA
CEO
Robert Piconi
IPO Status
public

Funding History

Round Amount Date Lead Investors
SPAC/IPO $388M Feb 2022 Novus Capital
Series B $100M Sep 2021 SoftBank Vision Fund 2
Series A $35M Sep 2020 Cemex Ventures
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Track EnergyVault IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.

Frequently Asked Questions

When is EnergyVault going public? +

EnergyVault is already a public company.

What is EnergyVault's current valuation? +

EnergyVault is valued at $1.2B as of the most recent funding round. This valuation is based on its most recent private funding round tracked by TechStackIPO.

How can I invest in EnergyVault before IPO? +

EnergyVault is already a public company. You can invest by purchasing shares on public stock exchanges.

What is EnergyVault's IPO Readiness Score? +

EnergyVault scores 53/100 (Grade: D) on TechStackIPO's IPO Readiness Index. The score evaluates funding scale, valuation trajectory, funding momentum, stage progression, and company maturity. Scores above 70 indicate strong near-term IPO potential.

Has EnergyVault filed for an IPO? +

Yes — EnergyVault filed an S-1 registration statement with the SEC on February 14, 2022, indicating an active IPO process.

How much total funding has EnergyVault raised? +

EnergyVault has raised $388M in total venture capital and private equity funding, with backing from Novus Capital, SoftBank Vision Fund 2, Cemex Ventures.

Who are EnergyVault's key investors? +

EnergyVault's notable investors include Novus Capital, SoftBank Vision Fund 2, Cemex Ventures. Full investor details, funding round history, and lead investor breakdowns are available on TechStackIPO.

What sector is EnergyVault in? +

EnergyVault is a Climate & Energy company. Long-duration energy storage company using gravity-based systems to store and discharge renewable energy.

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