Core Insights - Energy Vault Holdings, Inc. has successfully closed a $300 million preferred equity investment with OIC L.P., a leading North American infrastructure investment firm [1] - This investment marks the official launch of "Asset Vault," a fully consolidated subsidiary of Energy Vault dedicated to developing, building, owning, and operating energy storage assets [1] Company Summary - Energy Vault is recognized as a global leader in grid-scale energy storage solutions [1] - The establishment of Asset Vault signifies a strategic move to enhance the company's capabilities in the energy storage sector [1]