Financing Critical Minerals for Renewable Energy, by Stephen Wermert, Director, Castlerock Consulting

This article examines the growing importance of critical minerals financing as a foundation for the global energy transition, highlighting the Asian Development Bank’s (ADB) establishment of its Critical Minerals-to-Manufacturing Partnership Facility. It explains that accelerating deployment of electric vehicles, battery storage, renewable energy, and power transmission infrastructure is driving unprecedented demand for minerals such as nickel, lithium, copper, cobalt, graphite, and rare earth elements. Indonesia is presented as a strategically important player due to its position as the world’s largest nickel producer and its successful downstream industrialization (hilirisasi) policy, which has attracted significant investment in mineral processing and battery materials. The article also describes the evolution of financing structures, showing how international commercial banks are increasingly applying limited-recourse project finance to large mining and processing projects while managing complex construction, market, regulatory, and commodity price risks.

The publication further emphasizes that the next phase of Indonesia’s critical minerals industry must focus not only on expanding processing capacity but also on reducing the sector’s carbon footprint. Since many mineral processing facilities currently rely on captive coal-fired power plants, the article highlights emerging sustainable finance mechanisms—such as sustainability-linked loans that incentivize greater use of renewable energy—as a means to decarbonize production while maintaining competitiveness. It concludes that development finance institutions, particularly the ADB, can play a catalytic role by providing longer-tenor financing, promoting high environmental and social standards, supporting policy and regulatory reforms, and mobilizing private capital. Together, these efforts can help build cleaner, more resilient critical mineral supply chains that support both Indonesia’s industrial development and the global transition to renewable energy.

Download PDF for Full Report/Article