PT Kalimantan Alumina Nusantara power station

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PT Kalimantan Alumina Nusantara power station is a power station under construction in Toba, Sanggau, Kalimantan, Indonesia. It is also known as Press Metal Alumina power station.

Location

Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
PT Kalimantan Alumina Nusantara power station Toba, Sanggau, Kalimantan, Indonesia -0.1238386, 109.9713147 (exact)
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Unit-level coordinates (WGS 84):

  • Unit 1, Unit 2: -0.1238386, 109.9713147

Project Details

Table 2: Unit-level details

Unit name Status Fuel(s) Capacity (MW) Technology CHP Emergency/Backup
Unit 1 Construction coal: unknown[1] 30[2] unknown yes[1] False
Unit 2 Construction coal: unknown[1] 30[2] unknown yes[1] False

Table 3: Unit-level ownership and operator details

Unit name Owner Parent
Unit 1 PT Kalimantan Alumina Nusantara [100%][1] Press Metal International Resources (HK) Ltd [80.0%]; PT Alakasa Alumina Refineri [17.2%]; small shareholder(s) [2.8%]
Unit 2 PT Kalimantan Alumina Nusantara [100%][1] Press Metal International Resources (HK) Ltd [80.0%]; PT Alakasa Alumina Refineri [17.2%]; small shareholder(s) [2.8%]

Project-level captive use details

  • Captive industry: Aluminum[1]


Ownership Tree

This ownership tree is part of the Global Energy Ownership Tracker, a project of Global Energy Monitor.

Background

In September 2024, Malaysian company Press Metal Aluminium Holdings Berhad announced plans to build an alumina refinery in Sanggau, West Kalimantan, Indonesia. Phase I would have a production capacity of 1 to 1.2 million metric tonnes, and there was reportedly potential for expansion.[3]

In March 2025, a contract was signed for the development of a related captive power project, which would operate under PT Kalimantan Alumina Nusantara. The project would include four circulating fluidized bed boilers.[3] The capacity of the plant was planned to be 2 x 30 MW and 2 x 25 MW.[4]

Construction of the power station was visible on Planet imagery in the first half of 2026.

Financing

In September 2024, Press Metal Aluminium Holdings Berhad entered into agreements to subscribe for an 80% equity stake in PT Kalimantan Alumina Nusantara for RM1.04 billion. The joint venture was established to develop an integrated alumina refinery plant, power plant, jetty, and supporting infrastructure in West Kalimantan, with Phase I of the broader project reported to cost US$750 million and to be funded through equity and loans.[5][6] In March 2025, Wuxi Huaguang Environment & Energy Group signed a contract with Press Metal for the thermal power plant supporting project, including the supply of four 220 t/h circulating fluidized bed boilers, with the contract valued at over CNY 1 billion, or approximately US$138.2 million.[7] No lender, debt package, financial close date, or coal-unit-specific financing amount has been reported for the power station.

Articles and Resources

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 https://www.petromindo.com/news/article/wuxi-huaguang-inks-deal-with-press-metal-for-kalimantan-alumina-power-plant. {{cite web}}: Missing or empty |title= (help)
  2. ↑ 2.0 2.1 https://www.chinaerospace.com/article/show/2b73d5bd60c9d7dc727057535c0b21e3. {{cite web}}: Missing or empty |title= (help)
  3. ↑ 3.0 3.1 Wuxi Huaguang inks deal with Press Metal for Kalimantan Alumina power plant, Petromindo, March 10, 2025
  4. ↑ https://www.chinaerospace.com/article/show/2b73d5bd60c9d7dc727057535c0b21e3, chinaerospace.com, March 7, 2025
  5. ↑ "Malaysia's Press Metal inks alumina refinery JV in Indonesia push". Reuters. September 18, 2024.{{cite web}}: CS1 maint: url-status (link)
  6. ↑ "Press Metal signs JV deal to set up alumina plant in Indonesia". The Edge Malaysia. September 18, 2024.{{cite web}}: CS1 maint: url-status (link)
  7. ↑ "Wuxi Huaguang signs deal with Press Metal". Stainless Steel World. March 14, 2025.{{cite web}}: CS1 maint: url-status (link)

Additional data

To access additional data, including an interactive map of coal-fired power stations, a downloadable dataset, and summary data, please visit the Global Coal Plant Tracker on the Global Energy Monitor website.