Samsung SDI Signs $1.5T ESS Battery Deal with US Firm, Supply to Run Until 2029

On March 16, news emerged that Samsung SDI has signed a contract with a US energy company for the supply of energy storage batteries. The contract value is 1.5 trillion Korean Won, approximately 6.915 billion RMB. The supply is planned to occur in phases from 2026 to 2029, spanning four years. The batteries will be produced at a factory in Indiana, USA, a joint venture between SDI and Stellantis. This factory was previously dedicated to producing power batteries with an original capacity of 30GWh. Subsequently, three-quarters of its production lines were converted to produce energy storage batteries, with a planned capacity of approximately 21GWh. Production is scheduled to commence by the end of 2026.

On March 12, Tianneng reached strategic cooperation agreements with four enterprises, focusing on emerging application scenarios such as drones and robots, with solid-state batteries as the technological foundation. The collaboration encompasses deep cooperation ranging from product application to data loop closure. According to the agreements, Tianneng will provide semi-solid-state battery solutions leveraging its expertise in cell research, development, and manufacturing, while the partner enterprises will contribute data feedback based on their advantages in scenario-specific applications.

POSCO Future M, the battery materials unit of South Korea's POSCO Holdings, announced that it had signed a supply agreement for artificial graphite anode material used in lithium-ion batteries. The contract is worth KRW 1,014,945,300,000 (approximately $675 million). The counterparty is a global automaker, and the contract term runs from October 1, 2027 to September 30, 2032.