[Kalimantan, Indonesia (general), Indonesia] Nuclear alert — INDONESIAN

Summary

A nuclear-related incident occurred in Kalimantan, Indonesia on April 16, 2025, with simultaneous loss of contact with a helicopter carrying 8 people. The tension index registers -7.2, indicating a high risk level.

Supply-chain impact

• Palm oil supply chain disruption: Kalimantan is one of the world's largest palm oil producing regions, and evacuation or production halt due to the nuclear-related incident is expected to directly impact global edible oil and biodiesel feedstock supply
• Risk of nickel mining operation suspension: Indonesia is the world's largest nickel producer, and suspension of mining operations in the Kalimantan region could severely disrupt raw material procurement for electric vehicle battery and stainless steel manufacturers
• Logistics network paralysis: Transportation network constraints related to the helicopter communication loss raise concerns about reduced accessibility to regional raw material export terminals
• Regional production activity contraction: Worker evacuation and safety measures due to the nuclear-related emergency could lead to complete production suspension in the short term

Watch points

• Official announcements from Indonesian government: Need to confirm follow-up information on the exact nature and scale of the nuclear incident, response measures, and scope of regional lockdown
• Operating status of major producers: Required monitoring of whether palm oil refineries and nickel mining companies located in Kalimantan have suspended operations and their resumption schedules