Energy Vault Holdings, Inc.

Energy Vault Holdings, Inc. is a global leader in sustainable, grid-scale energy storage solutions, dedicated to accelerating the world's transition to renewable energy. The company develops, deploys, and operates utility-scale energy storage systems designed to reduce the cost of clean energy and enhance grid reliability. Headquartered in Westlake Village, California, Energy Vault aims to meet the growing demand for sustainable and economical energy storage worldwide.

Energy Vault's comprehensive offerings include a diversified portfolio of proprietary energy storage technologies. These encompass gravity-based (G-Vault), battery (B-Vault), and green hydrogen-based (H-Vault) solutions, catering to various duration needs from short to ultra-long. Complementing its hardware, the company provides technology-agnostic energy management system software (VaultOS, Vault-Manager, Vault-Bidder) and integration platforms to monitor, control, and optimize energy systems. Energy Vault serves a broad market, including utilities, independent power producers, and large industrial energy users.

In recent developments, Energy Vault has expanded its global footprint, notably entering the Japanese market in April 2026 through the acquisition of an 850 MW energy storage portfolio. The company reported strong financial results for Q4 and the full year 2025 in March 2026, with significant revenue growth and a contract backlog reaching $1.3 billion. Under the leadership of Co-Founder, Chairman, and CEO Robert Piconi, Energy Vault is also strategically expanding into AI compute infrastructure solutions, as evidenced by a February 2026 agreement with Crusoe for modular AI data center deployments. The company is increasingly adopting an "Own & Operate" asset management strategy to generate predictable, recurring revenue streams.