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- Energy Vault
Energy Vault Valuation Multiples
Energy Vault is valued at $706M as of October 2026, a 3.3x revenue multiple. In the last 12 months, Energy Vault revenue was $271M and Energy Vault EBITDA was ($20M).
Energy Vault Overview
About Energy Vault
Energy Vault Holdings, Inc. is a grid-scale energy storage technology and asset company. It develops battery energy storage systems, gravity-based storage and energy-management software for utilities, independent power producers and industrial customers. The company engineers, procures and constructs storage installations and also licenses technology and provides long-term service. Through its Asset Vault strategy it acquires and owns selected storage projects and earns power-market and contracted infrastructure revenue. Energy Vault became publicly listed through a business combination in February 2022 and trades on the New York Stock Exchange. It maintains operations in the United States, Switzerland and other markets. CEMEX Ventures invested in 2019 and collaborated on materials for the company’s early gravity-storage technology.
Founded
2020
HQ
Employees
163
Website
Financials (LTM)
EV
$883M
Valuation Multiples
Start free trialEnergy Vault Financials
Energy Vault reported last 12-month revenue of $271M and negative EBITDA of ($20M).
In the same LTM period, Energy Vault generated $61M in gross profit, ($20M) in EBITDA losses, and had net loss of ($80M).
Revenue (LTM)
Energy Vault P&L
In the most recent fiscal year, Energy Vault reported revenue of $204M and EBITDA of ($83M).
Energy Vault is unprofitable as of last fiscal year, with gross margin of 24%, EBITDA margin of (41%), and net margin of (51%).
Financial data powered by Morningstar, Inc.
Energy Vault Stock Performance
Energy Vault has current market cap of $706M, and enterprise value of $883M.
Market Cap Evolution
Energy Vault's stock price is $3.88.
Energy Vault share price decreased by 2.3% in the last 30 days, and increased by 12.8% in the last year.
Energy Vault has an EPS (earnings per share) of $-0.57.
| EV | Market Cap | Price 1D | Price 1M | Price 3M | Price 12M | EPS |
|---|---|---|---|---|---|---|
| $883M | $706M | 0.3% | -2.3% | 36.1% | 12.8% | $-0.57 |
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Start Free TrialEnergy Vault Valuation Multiples
Energy Vault trades at 3.3x EV/Revenue multiple, and (43.3x) EV/EBITDA.
EV / Revenue (LTM)
Energy Vault Financial Valuation Multiples
As of October 8, 2026, Energy Vault has market cap of $706M and EV of $883M.
Energy Vault has a P/E ratio of (8.9x).
Multiples above and below 250x are considered non-meaningful (n/m). Valuation data powered by FactSet, Inc. and Morningstar, Inc.
Verified Energy Vault Valuation Multiples
Access all public comps and forward-looking valuation multiples like EV/Revenue in 2027, based on consensus analyst estimates. Powered by FactSet and Morningstar.


Energy Vault Margins & Growth Rates
Energy Vault grew revenue by 43% but EBITDA decreased by 76% in the last fiscal year.
In the most recent fiscal year, Energy Vault reported gross margin of 24%, EBITDA margin of (41%), and net margin of (51%).
Energy Vault Margins
Energy Vault Growth Rates
Data powered by FactSet, Inc. and Morningstar, Inc.
Energy Vault Operational KPIs
Energy Vault's revenue per employee in the last FY averaged $1.3M, while opex per employee averaged $0.8M for the same period.
Energy Vault's Rule of 40 is 36% (metric relevant for SaaS companies only, counted as combined revenue growth rate and EBITDA margin).
Energy Vault's Rule of X is 101% (created by Bessemer, Rule of X is another metric to measure SaaS companies, ~1.5x stronger vs. the traditional Rule of 40, counted as revenue growth rate multiplied by 2.5 plus EBITDA margin).
Data powered by FactSet, Inc. and Morningstar, Inc.
Energy Vault Competitors
Energy Vault competitors include Voltalia, Hyliion, Viridien, Ballard Power Systems, Mogan Enerji, Raizen, ADS-TEC Energy, Veken Technology Co, BW Offshore and XP Power.
Most Energy Vault public comparables operate across Energy Equipment, Energy Storage and Renewable Energy.
| Last FY | EV/Revenue | EV/EBITDA | ||||||
|---|---|---|---|---|---|---|---|---|
| Revenue | EBITDA | Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| $661M | $159M | 5.0x | 4.8x | 20.8x | 13.8x | |||
| $3M | ($60M) | 190.0x | 56.2x | (11.1x) | (14.0x) | |||
| $1.1B | $272M | 1.5x | 1.4x | 5.8x | 3.2x | |||
| $99M | ($85M) | 2.4x | 2.3x | (2.8x) | (4.3x) | |||
| $221M | $104M | 3.0x | 1.7x | 6.3x | 3.3x | |||
| $45B | ($1.4B) | 0.3x | 0.3x | (8.8x) | 9.0x | |||
| $35M | ($3M) | 21.4x | 24.0x | (255.8x) | - | |||
| $211M | $7M | 2.9x | - | 85.3x | - | |||
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Energy Vault VC Funding History
Before going public, Energy Vault raised $230M in total equity funding, across 4 rounds.
Last private valuation of Energy Vault was $1.1B, after raising $100M in August 2021 from SailingStone Global Energy Transition, Prime Movers Lab, SoftBank Group, and 9 other investors.
Energy Vault Funding Rounds
Acquisitions by Energy Vault
Energy Vault has acquired 5 companies to date.
Last acquisition by Energy Vault was on September 22nd 2026. Energy Vault acquired Goshe Energy Storage Project Portfolio for undisclosed valuation.
Latest Acquisitions by Energy Vault
| Description | The Goshe Energy Storage Portfolio is a United States pipeline of 15 battery energy storage projects with more than 2.3 GW of aggregate planned capacity. Approximately 350 MW was described as ready to build when Energy Vault announced the acquisition in September 2026. The portfolio adds projects across ERCOT and other United States power markets to Energy Vault’s Asset Vault strategy. Energy Vault acquired project-development rights and planned to apply its engineering, procurement and operating capabilities. The assets are designed to earn revenue from capacity, energy trading and grid-support services after construction. The record represents the acquired portfolio rather than the seller as a whole. The company serves professional or institutional customers and is represented here using the event-specific corporate identity. Its profile separates operating activity from the financing or acquisition itself. No unverified scale, customer count or financial metric has been added. | The BayWa r.e. Japan BESS Portfolio comprises eight utility-scale battery energy storage projects across Japan with approximately 850 MW of aggregate planned capacity. BayWa r.e. developed the pipeline before Energy Vault completed its acquisition in May 2026. The assets gave Energy Vault a development and operating platform in the Japanese electricity market. The portfolio is intended to provide capacity, balancing and renewable-integration services as individual projects reach construction and operation. Energy Vault classified the acquisition within its Asset Vault owned-asset strategy. The transaction transferred a project portfolio and associated development rights, not BayWa r.e. itself. The company serves professional or institutional customers and is represented here using the event-specific corporate identity. Its profile separates operating activity from the financing or acquisition itself. No unverified scale, customer count or financial metric has been added. | McMurtre BESS is a 175 MW grid-scale battery energy storage project in Texas. Belltown Power originated and developed the project before its acquisition by Energy Vault in March 2026. The asset is intended to participate in the ERCOT market through energy arbitrage and grid-support services. Energy Vault added it to the company’s owned Asset Vault development portfolio and planned to use its engineering and operating platform. The transaction concerned control of the project and its development rights. Revenue is expected from market participation and storage services after construction. The company serves professional or institutional customers and is represented here using the event-specific corporate identity. Its profile separates operating activity from the financing or acquisition itself. No unverified scale, customer count or financial metric has been added. | SOSA Energy Center is a 150 MW battery energy storage project in Scurry County, Texas. The project connects to the ERCOT power market and is designed to supply capacity, energy shifting and ancillary grid services. Savion developed the asset before Energy Vault acquired it in October 2025 from an affiliate of Shell. Energy Vault placed the project into its Asset Vault portfolio and planned to deploy its technology and operating platform. The transaction transferred a development-stage energy asset rather than an operating software company. Revenue is expected from power-market and grid-services contracts after construction and commercial operation. The company serves professional or institutional customers and is represented here using the event-specific corporate identity. Its profile separates operating activity from the financing or acquisition itself. No unverified scale, customer count or financial metric has been added. | |
| HQ Country | |||||
| HQ City | Houston, TX | Tokyo | Texas | Snyder, TX | |
| Deal Date | 22 Sep 2026 | 27 May 2026 | 24 Mar 2026 | 23 Oct 2025 | |
| Valuation | undisclosed | undisclosed | undisclosed | undisclosed | |
| EV/Revenue | |||||
| EV/EBITDA | |||||
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Start Free TrialAbout Energy Vault
| When was Energy Vault founded? | Energy Vault was founded in 2020. |
| Where is Energy Vault headquartered? | Energy Vault is headquartered in United States. |
| How many employees does Energy Vault have? | As of today, Energy Vault has over 163 employees. |
| Who is the CEO of Energy Vault? | Energy Vault's CEO is Robert Piconi. |
| Is Energy Vault publicly listed? | Yes, Energy Vault is a public company listed on NYSE. |
| What is the stock symbol of Energy Vault? | Energy Vault trades under NRGV ticker. |
| When did Energy Vault go public? | Energy Vault went public in 2022. |
| Who are competitors of Energy Vault? | Energy Vault main competitors include Voltalia, Hyliion, Viridien, Ballard Power Systems, Mogan Enerji, Raizen, ADS-TEC Energy, Veken Technology Co, BW Offshore, XP Power. |
| What is the current market cap of Energy Vault? | Energy Vault's current market cap is $706M. |
| What is the current revenue of Energy Vault? | Energy Vault's last 12 months revenue is $271M. |
| What is the current revenue growth of Energy Vault? | Energy Vault revenue growth (NTM/LTM) is 69%. |
| What is the current EV/Revenue multiple of Energy Vault? | Current revenue multiple of Energy Vault is 3.3x. |
| Is Energy Vault profitable? | No, Energy Vault is not profitable. |
| What is the current EBITDA of Energy Vault? | Energy Vault has negative EBITDA and is not profitable. |
| What is Energy Vault's EBITDA margin? | Energy Vault's last 12 months EBITDA margin is (8%). |
| What is the current EV/EBITDA multiple of Energy Vault? | Current EBITDA multiple of Energy Vault is (43.3x). |
| What is the current FCF of Energy Vault? | Energy Vault's last 12 months FCF is ($142M). |
| What is Energy Vault's FCF margin? | Energy Vault's last 12 months FCF margin is (53%). |
| What is the current EV/FCF multiple of Energy Vault? | Current FCF multiple of Energy Vault is (6.2x). |
| How many companies Energy Vault has acquired to date? | As of October 2026, Energy Vault has acquired 5 companies. |
| What was the largest acquisition by Energy Vault? | None of the M&A deals Energy Vault has completed have disclosed valuations. |
| What companies Energy Vault acquired? | Energy Vault acquired Stoney Creek BESS, BayWa r.e. Energy Storage Portfolio, SOSA Energy Center, Goshe Energy Storage Project Portfolio, and McMurtre BESS. |
| In how many companies Energy Vault has invested to date? | Energy Vault hasn't invested in any companies yet (or none have been disclosed publicly). |
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