About
Energy Vault is a full-spectrum energy storage solutions provider that uniquely addresses short, long, and ultra-long duration storage requirements through a diversified technology stack. The company's hardware offerings include the B-VAULT™ and B-Nest™ battery systems, the G-VAULT™ gravity-based storage system, the EVx™ hybrid platform, and the H-VAULT™ hydrogen solution — covering durations from minutes to multi-day storage. Central to Energy Vault's offering is its AI-powered software suite: VaultOS™ serves as the core operating system for storage assets; Vault-Bidder™ automates participation in energy markets; and Vault-Manager™ delivers real-time monitoring and performance optimization. Together, these tools help operators orchestrate and optimize storage assets for both operational efficiency and business performance. Energy Vault partners closely with customers — including utilities, independent power producers, and large energy consumers — to design and deploy solutions tailored to specific grid, commercial, and environmental goals. The company's Solution Excellence Center in Arbedo-Castione, Switzerland, serves as a global hub for R&D and innovation. With a growing international project portfolio spanning the US, Europe, Asia, and Australia, and a recent expansion into the Japanese market with an 850 MW BESS portfolio, Energy Vault is positioned as a key enabler of the renewable energy transition at scale.
Key Features
- Multi-Duration Storage Portfolio: Offers solutions for short, long, and ultra-long duration storage using battery (B-VAULT™), gravity (G-VAULT™), hybrid (EVx™), and hydrogen (H-VAULT™) technologies.
- VaultOS™ Operating System: A centralized AI-powered platform that orchestrates and optimizes all connected storage assets for operational and business performance.
- Vault-Bidder™ Market Automation: Automates energy market participation and bidding strategies to maximize revenue from storage assets in electricity markets.
- Vault-Manager™ Performance Monitoring: Provides real-time monitoring, alerting, and lifecycle management for deployed energy storage systems.
- Long-Term Service Agreements: Comprehensive service contracts ensuring performance guarantees and ongoing operational support for the full asset lifecycle.
Use Cases
- Utility-scale grid stabilization using long-duration gravity or battery storage to balance intermittent renewable generation.
- Automated energy market participation through Vault-Bidder™ to maximize revenue from arbitrage and ancillary service opportunities.
- Industrial and commercial energy cost reduction by deploying behind-the-meter storage managed by VaultOS™.
- Renewable energy project development requiring integrated storage to meet capacity, dispatch, and off-take agreement requirements.
- National grid decarbonization programs requiring multi-gigawatt-hour storage deployments across short, long, and ultra-long durations.
Pros
- Unique Technology Breadth: The only energy storage provider offering battery, gravity, and hydrogen solutions across all duration segments under one platform.
- Integrated Software Intelligence: VaultOS™, Vault-Bidder™, and Vault-Manager™ provide a full-stack, AI-driven approach to asset orchestration and market optimization.
- Global Deployment Track Record: Active projects across the US, Europe, Japan, and Australia demonstrate proven execution at utility scale.
- Customer-Centric Design: Solutions are tailored to each customer's grid, commercial, and sustainability objectives, enabling high flexibility.
Cons
- Enterprise-Only Accessibility: Products are designed exclusively for large utilities, developers, and industrial customers — not accessible to small businesses or individuals.
- High Capital Requirements: Deploying gravity or hydrogen storage systems requires significant upfront investment, limiting adoption to well-capitalized organizations.
- Limited Self-Service Information: Pricing, technical specs, and procurement details are not publicly available, requiring direct engagement with the sales team.
Frequently Asked Questions
What types of energy storage does Energy Vault offer?
Energy Vault offers battery (B-VAULT™, B-Nest™), gravity (G-VAULT™), hybrid gravity-battery (EVx™), and hydrogen (H-VAULT™) energy storage systems covering short, long, and ultra-long duration requirements.
What is VaultOS™?
VaultOS™ is Energy Vault's AI-powered operating system that manages, monitors, and optimizes energy storage assets. It integrates with Vault-Bidder™ for market participation and Vault-Manager™ for performance tracking.
Who are Energy Vault's typical customers?
Energy Vault works with utilities, independent power producers (IPPs), energy developers, and large industrial energy consumers who need grid-scale storage solutions.
Does Energy Vault operate internationally?
Yes. Energy Vault has active or announced projects in the United States, Switzerland, Italy, China, Australia, and Japan, including an 850 MW BESS portfolio acquisition in Japan in 2026.
What is the Energy Vault Resiliency Center?
The Energy Vault Resiliency Center is a flagship installation combining proprietary gravity technology with intelligent software to demonstrate optimized energy dispatch, grid support, and resiliency at scale.
