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Supply Chain & Logistics•5 min read
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Key Factors in Coordinating Energy Commodity Supply Chains Across Kalimantan and Sumatra

Aligning cargo readiness at the loading point, shipping schedules, and quality verification to keep customer supply running.

Key Factors in Coordinating Energy Commodity Supply Chains Across Kalimantan and Sumatra
Quick Summary (3 Points)
  • Kalimantan and Sumatra are Indonesia's two main coal supply corridors.
  • Layered coordination is needed from the loading point to the delivery point.
  • Four key elements: specification, laycan, inspection, documentation.

Commodity supply chain challenges

Kalimantan and Sumatra are Indonesia's two main coal supply corridors. The distance from mine to loading port to the buyer's receiving facility demands disciplined logistics coordination, because many parties are involved: suppliers, transport operators, ports, surveyors, and buyers.

If one link runs late, the effect cascades: cargo waits for a berth, discharge schedules shift, and the buyer faces a risk of thin stock.

Four key elements of coordination

In energy trading and logistics coordination, PCA works through a structured flow with supplier partners:

  1. 1Specification alignment from the start. Confirm that the cargo parameters prepared by supplier partners match the buyer's technical needs before the loading schedule is set.
  2. 2Laycan window management. Laycan is the date range in which a vessel is ready to load. Stockpile readiness, berthing, and loading must line up with this window.
  3. 3Independent inspection. Engaging agreed surveyors for quantity verification (draught survey) and quality verification (COA testing).
  4. 4Proactive communication. Tracking shipping document status until the cargo reaches the agreed delivery point.

Buyer checklist

Before requesting a quotation, prepare:

Key Takeaways:
  • Commodity and volume per shipment
  • Discharge port or destination site and berthing restrictions
  • Preferred delivery terms (Incoterms)
  • Target laycan

Products Referenced in This Article

LCV CoalGAR 4,200–4,700 kcal/kg

Low-calorific thermal coal with a reference GAR of 4,200–4,700 kcal/kg for coal-fired power plants and cement plants.

MCV CoalGAR 5,000–5,500 kcal/kg

Medium-calorific thermal coal with a reference GAR of 5,000–5,500 kcal/kg for textile, pulp & paper, smelters, and large boilers.

HCV CoalGAR 5,800–6,500+ kcal/kg

High-calorific coal with a reference GAR of 5,800–6,500+ kcal/kg for metallurgical applications, high-technology power plants, and export markets.

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