According to reports, Adaro Energy (Adaro) has signed a Letter of Intent (LoI) to Invest US$728 million to build an aluminium smelter at the world's largest Green Industrial Park located in Indonesia, which is being developed by PT Kalimantan Industrial Park.

Located in Bulungan Regency in North Kalimantan province, the aim of the park is to attract producers of high-tech and precision products such as lithium-ion batteries, semiconductors, solar panels, green aluminium, and industrial silicon, among many others.