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Energy Vault rolls out Asset Vault with USD 300 million investment

10.10.2025 10:33, Rita Longobardi

The Cleantech Energy Vault is expanding its footprint in global energy storage with the launch of Asset Vault, a fully consolidated subsidiary focused on developing, building, owning, and operating energy storage assets. With the new platform, the company can maximize value across the energy storage lifecycle while growing in high-priority markets.

As energy grids increasingly rely on renewable sources, Energy Vault is stepping up as a cleantech giant with a bold new approach to energy storage. The company’s latest move, Asset Vault, backed by a USD 300 million preferred equity commitment, is designed to develop, own, and operate large-scale storage projects, consolidating its growing portfolio across the US, Europe, and Australia. With over 1.5 GW of storage capacity targeted in high-priority markets, Asset Vault signals a new chapter in Energy Vault’s evolution.

This high-impact platform combines the company’s operational expertise with long-term asset ownership, creating predictable, recurring cash flows while maintaining flexibility to optimize returns. Asset Vault manages everything in-house—from engineering and construction to long-term service agreements—turning each project into multiple streams of revenue. Early examples include the Calistoga Resiliency Center in California and the Cross Trails Battery Energy Storage System in Texas, with the 125 MW / 1,000 MWh Stoney Creek BESS in Australia set to follow.

Today, Asset Vault oversees more than 3 GW and 12+ GWh of projects, ranging from traditional battery storage to hybrid systems that integrate clean hydrogen. Supported by long-term contracts, tax incentives, and project-level financing, the platform intends to deliver targeted levered IRRs of 15% or more over a 20-year asset life.

Ranked among the Top100 Swiss Startups, Energy Vault expects Asset Vault to generate over USD 100 million in recurring annual EBITDA within the next three to four years, strengthening its Energy Storage Solutions business and demonstrating how a vertically integrated approach can turn renewable energy storage into a scalable, profitable venture.


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