in USD/ton
Source: Ministry of Eneryg and Mineral Resources
* The HBA is a monthly average price based 25% each on Platts Kalimantan 5,900 kcal/kg GAR assessments, Argus-Indonesia Coal Index 1 (6,500 kcal/kg GAR), Newcastle Export Index (6,322 kcal/kg GAR), and globalCOAL Newcastle (6,000 kcal/kg NAR).
The HBA price for thermal coal is the basis for determining the prices of 77 Indonesian coal products and calculating the amount of royalty producers have to pay for each metric ton of coal sold. It is based on 6,322 kcal/kg GAR coal with 8% total moisture content, 15% ash as received, and 0.8% Sulfur as received.