Lilac Partner Release, U.S. Trade and Development Agency
Arlington, VA – March 14, 2026 – The U.S. Trade and Development Agency is supporting the deployment of innovative U.S. technology to diversify U.S. critical minerals supply chains by increasing lithium recovery from Indonesia’s geothermal energy operations. Through a USTDA-funded pilot project, California-based Lilac Solutions, Inc. (Lilac) will demonstrate its technology at Indonesia’s state-owned geothermal developer PT Geo Dipa Energi’s (GDE) facilities. This will be Indonesia’s first facility to draw lithium from geothermal brine. The project will create a trusted source for the supply of lithium, an important component of many modern technologies, while supporting a vital energy source for Indonesia.
“America’s security and prosperity depend on access to critical minerals from trusted sources,” said Thomas R. Hardy, USTDA’s Deputy Director. “This project highlights the value of U.S. solutions in building resilient supply chains and advancing responsible resource development with our partners in Indonesia.”
Lilac will deploy its ion exchange direct lithium recovery technology at the Dieng geothermal field in Central Java, showcasing its responsible and effective method for recovery and processing lithium into high-grade lithium carbonate. USTDA’s support will also connect GDE with potential U.S. buyers of the lithium carbonate produced. By demonstrating the success and scalability of Lilac’s technology, the project aims to attract financing for future expansion and unlock new opportunities for the extensive geothermal landscape in Indonesia and across the Indo-Pacific region.