Energy Vault Holdings Inc.

About Energy Vault Holdings Inc.

Energy Vault is a company focused on enabling a renewable world through innovative energy storage solutions. Their mission is to solve energy storage at scale by providing customer-centric, diversified solutions across short, long, and ultra-long durations using proprietary battery, gravity, hydrogen, and software technologies. They aim to maximize economic and environmental value for their customers through sustained innovation and a technology-agnostic approach.

Products & Services

B-VAULT™:A lithium-ion battery product designed for reliability, flexibility, and availability with innovative enclosure architecture and unique AC and DC configurations.

B-Nest™:A modular, multi-story structure designed to house battery energy storage systems (BESS) for unparalleled energy density.

G-VAULT™:A family of gravity energy storage products that decouple power and energy with high round-trip efficiency, without needing specific topography.

H-VAULT™:Hydrogen energy storage for multi-day resilience, ensuring reliability of critical community infrastructure.

VaultOS™:Energy Management Systems software for real-time monitoring, operational control, and optimized dispatch across energy storage and generation assets.

Vault-Bidder™:Advanced monetization software that leverages live data to optimize dispatch and revenue.

Vault-Manager™:Asset management software providing portfolio visibility, analysis, and actionable insights to improve financial performance.

Long-Term Services:Flexible service agreements to ensure performance and availability over an asset's lifecycle.

Specialties

Battery Energy Storage Systems (BESS) Gravity Energy Storage Hydrogen Energy Storage Energy Management Software Short, Long, and Ultra-Long Duration Storage Solutions Customer-Centric Energy Solutions Innovation in Energy Storage Technologies

Funding History

Debug: View Raw Funding Data

#	Type	Amount Fields	Date Fields	Investors
1	RT: Convertible Debt T: - FT: Convertible Debt	A: 125000000 MR: - FA: $125.0 million FAN: 125000000	D: 2026-02-11 FD: 2026-02-11	-
2	RT: Preferred Equity T: - FT: Preferred Equity	A: 300000000 MR: - FA: 300 million FAN: 300000000	D: 2025-10-09 FD: 2025-10-09	1 investors
3	RT: Debt T: - FT: Debt	A: 50000000 MR: - FA: $50 million FAN: 50000000	D: 2025-09-26 FD: 2025-09-26	1 investors
4	RT: Preferred Equity T: - FT: Preferred Equity	A: 300000000 MR: - FA: 300 million FAN: 300000000	D: 2025-08-07 FD: 2025-08-07	1 investors
5	RT: Project Financing T: - FT: Project Financing	A: 18000000 MR: - FA: $18 million FAN: 18000000	D: 2025-08-05 FD: 2025-08-05	1 investors
6	RT: Project Financing T: - FT: Project Financing	A: 18000000 MR: - FA: $18 million FAN: 18000000	D: 2025-07-24 FD: 2025-07-24	-
7	RT: Project Financing T: - FT: Project Financing	A: 28000000 MR: - FA: 28 million FAN: 28000000	D: 2025-04-01 FD: 2025-04-01	-

Convertible Debt Latest

2026-02-11

$125.0M

Preferred Equity 2025-10-09

$300.0M

Debt 2025-09-26

$50.0M

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Growth Metrics

+45%

Employee Growth

YoY

3.2x

Funding Growth

Last Round

12

Markets

Operating

10K+

Customers

Active

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Team & Leadership

R

Robert Allen Piconi

Chairman of the Board & CEO - Energy Vault

LinkedIn (Pro only)

T

Theresa Fariello

Executive Vice President of Government Affairs & Global Public Policy - United Airlines

LinkedIn (Pro only)

M

Mary Beth Mandanas

Chief Executive Director - Onyx Renewable Partners

T

Thomas Ertel

Chief Accounting Officer - Strada Education Network

L

Larry Paulson

Member of the Board of Directors

S

Stephanie Unwin

Chief Executive Officer - Horizon Power

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