Wedoany.com Report-Sept. 29, REPT BATTERO, a subsidiary of steelmaker Tsingshan Industrial, and Energy Vault have signed a 2026 supply agreement to expand their collaboration on energy storage solutions. Building on a three-year partnership, the companies have already deployed over 1.5 GWh of storage capacity across the United States, Europe, and Australia, supporting clean energy initiatives.

REPT BATTERO signs 3-GWh energy storage supply deal with Energy Vault.

Founded in 2017, REPT BATTERO operates research and development centers in Shanghai, Wenzhou, and Jiaxing, with production facilities in Wenzhou, Jiaxing, Liuzhou, Foshan, Chongqing, and Indonesia. The company specializes in advanced battery technologies, contributing to global energy storage advancements. Energy Vault, known for its innovative gravity-based storage, battery storage, and green hydrogen energy storage systems, complements REPT BATTERO’s expertise.

“This agreement strengthens our ability to deliver cutting-edge storage solutions worldwide,” an Energy Vault spokesperson stated. The partnership leverages REPT BATTERO’s manufacturing capabilities and Energy Vault’s diverse storage technologies to meet growing demand for reliable, sustainable energy systems.

In August 2025, Energy Vault secured a USD 300 million (EUR 255.5 million) preferred equity investment from a multi-billion-dollar infrastructure fund to support 1.5 GW of projects in development across the US, Australia, and Europe. This funding enhances the company’s capacity to scale up energy storage deployments, aligning with the new agreement’s goals.

The collaboration focuses on delivering efficient, scalable energy storage to support renewable energy integration and grid stability. By combining REPT BATTERO’s advanced battery production with Energy Vault’s innovative storage systems, the partnership addresses the increasing global need for sustainable energy solutions. The agreement is expected to drive further deployments in key markets, supporting industries and communities transitioning to cleaner energy sources.

REPT BATTERO’s extensive manufacturing network, including its international facility in Indonesia, strengthens the partnership’s ability to meet global demand. The initiative supports economic growth by fostering innovation in energy storage and contributing to the expansion of renewable energy infrastructure worldwide.