Energy Vault
PublicEnergy Vault is now publicly traded
The data on this page reflects Energy Vault's private-market history up to the point it went public, including its funding rounds, valuation, and investors.
Went Public
Feb 14, 2022
Last Round
Convertible Debt
Feb 18, 2026
Total Funding Raised
$795.5M
Company Overview
Energy Vault is a renewable energy and energy storage company that addresses the intermittency challenges of solar and wind power to accelerate the transition to sustainable energy solutions.
Sector
Energy
AI Layer
Application
Keywords
utility-scale energy storage solutiongravity energy storage system (GESS)battery energy storage system (BESS)long-duration energy storageenergy management system softwareindependent power producer (IPP) platformgreen hydrogen energy storage systemgrid-scale energy storageenergy storage for utilities and IPPsenergy storage EPC servicesenergy storage operations and maintenance (O&M)energy storage for data centerslong-term energy service agreement (LTESA)
Energy Vault Comparables
Compare Energy Vault with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Fluence Energy, Inc. | 89% | |
| Form Energy | 83% | |
| FlexGen Power Systems | 79% | |
Energy Vault Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Convertible Debt | Feb 18, 2026 | ||||
| IPO | Feb 14, 2022 | ||||
| PIPE | Feb 11, 2022 | ||||
| Series C | Aug 25, 2021 | ||||
| Strategic | Jul 22, 2021 | ||||
Series B | Aug 14, 2019 |
Energy Vault Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Pickering Energy Partners | PIPE, IPO, Series C |
| SailingStone Capital Partners | PIPE, IPO, Strategic, Series C |
| SoftBank Investment Advisers | PIPE, IPO, Series C, Series B |
| Volta Energy Technologies | Series C |
| Idealab X | IPO, Series C |
| SoftBank Group | PIPE, IPO, Series C, Series B |
| Adage Capital Partners, L.P. | PIPE, IPO |
Energy Vault Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
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Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Firmographic Details
HeadquartersWestlake Village, California
Employee Range178
Year Founded2017
Last FundingFeb 18, 2026