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How many new and planned electrolytic aluminum projects are there in Indonesia? What are the Chinese funded ones? Let me tell you, there are 11 companies with a total production capacity of 13 million

2025-04-29

In recent years, there have been continuous reports of new electrolytic aluminum plants being built in Southeast Asia. Indonesia, as a country with the world's largest bauxite reserves, plans to build electrolytic aluminum production capacity of up to 13 million tons.

Fig.1 Huafon & Tsingshan Holding Group electrolytic aluminum project

 

  1. HUAFON & TSINGSHAN HOLDING GROUP

HUAFON & TSINGSHAN Aluminum Industry is a joint venture between Huafon Group and Tsingshan Industrial, located in the Morowali Qingshan Industrial Park on Sulawesi Island, Indonesia. HUAFON & TSINGSHAN Aluminum Industry plans to build a 1 million ton electrolytic aluminum project. As of April 2025, the first phase of 500000 tons has been completed and put into operation, and the remaining 500000 tons of production capacity is currently being prepared for construction.

 

  1. PT Adaro Energy Indonesia Tbk ( ADRO )

The Adaro Electrolytic Aluminum Plant is a project under the Adaro Energy Group in Indonesia, jointly funded by ZHEJIANG LYGEND INVESTMENT CO.,LTD and Adaro Group. The project is located in the Kalimantan Industrial Park in North Kalimantan Province, Indonesia. The total designed production capacity is 1.5 million tons, which will be constructed in three phases with a production capacity of 500000 tons per phase. The first phase of the project is expected to be put into operation in the fourth quarter of 2025.

 

  1. PT Indonesia Asahan Aluminium（Inalum）

The PT Indonesia Asahan Aluminium is the largest aluminum production company in Indonesia and the only state-owned enterprise engaged in aluminum smelting. At present, the enterprise has a production capacity of 300000 tons of electrolytic aluminum. In addition, the company plans to build a 600000 ton electrolytic aluminum plant in Mengpawa, West Kalimantan Province, with the ultimate goal of producing 900000 tons of aluminum per year.

 

  1. ShandongWeiqiao and HaritaJoint Venture Electrolytic Aluminum Project

It is reported that Shandong Weiqiao Entrepreneurship Group and Indonesia's Harita Group plan to jointly build an electrolytic aluminum plant in Indonesia. The project is located in the Karimata Islands area of North Kajang Regency, West Kalimantan Province, Indonesia, and is expected to build an electrolytic aluminum production capacity of 1 million tons, which may be put into operation in 2027.

 

  1. Xinfa Group Electrolytic Aluminum Project

Xinfa Group plans to build an electrolytic aluminum plant in Indonesia. The project is a collaboration between Xinfa Group and Tsingshan Industrial, with a long-term plan of 1 million tons. The first phase of 500000 tons is currently under construction and is expected to be put into operation in 2026.

 

  1. Nanshan Aluminium Electrolytic Aluminum Project (PT BAI)

The project is located in the Riau Islands of Indonesia, with a long-term plan to build an electrolytic aluminum production capacity of 1 million tons. The first phase, with a capacity of 400000 tons, is scheduled to be put into operation in 2026.

 

  1. PT Borneo Alumindo Prima Kalimantan UtaraElectrolytic Aluminum Project in Indonesia

It is rumored that this project is the first green industrial project in Kalimantan Utara Province, with plans to build a 1 million ton electrolytic aluminum project.

 

  1. Cita Mineral Investindo Tbk（CITA）

It is rumored that a 500000 ton electrolytic aluminum project will be constructed.

 

  1. PT Westerfield Alumina Indonesia

PT Westerfield Alumina Indonesia is a Southeast Asian company established by East Hope Group, planning to build a 2.4 million ton electrolytic aluminum project.

 

  1. CMOC Group Electrolytic Aluminum Project (TBD)

It is rumored that CMOC Group Limited will build a 2 million ton electrolytic aluminum project in Indonesia.

 

  1. Bosai Minerals Group Electrolytic Aluminum Project (TBD)

It is rumored that Bosai Minerals Group will build a 1 million ton electrolytic aluminum project in Indonesia.

 

Overall, Indonesia currently has 11 new electrolytic aluminum projects with a total production capacity of approximately 13 million tons.

In recent years, China's electrolytic aluminum production capacity has gradually approached the ceiling of 45 million tons, and the expansion of domestic production capacity in China is limited in the future. However, Indonesia has abundant bauxite resources, with a newly built alumina production capacity of 25.4 million tons, providing sufficient raw material foundation for future electrolytic aluminum projects in Indonesia. The local market demand is also gradually increasing. Under the joint influence of the above reasons, Chinese electrolytic aluminum enterprises are gradually going abroad. According to statistics, the capacity of electrolytic aluminum projects built by China in Indonesia has reached 10.9 million tons, accounting for 84% of Indonesia's electrolytic aluminum production capacity plan.