Description
The HBA calculation is based on 70% of the volume weighted average coal selling price at the Free on Board Vessel (FOB Vessel) delivery point in the HBA specification equivalent with a calorie sample range of 3,900-4,300 kcal/kg GAR in the second week to the third week of the previous month.
Then add 30% to the volume weighted average selling price of coal at the Free on Board Vessel (FOB Vessel) delivery point in accordance with HBA specifications with a calorie sample range of 3,900-4,300 kcal/kg GAR in the fourth week of the previous two months to the first week of the previous month.
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