But August's exports dropped 15.2% to 32.68 MnT , from 38.54 MnT in July and it also fell 0.6% from 32.88 MnT in August 2017, according to the data.
Bank Indonesia did not give further explanations for the data
However, PT Adaro Energy, in a 3rd Quarter activity report, noted that higher use of hydro power plants and other renewable generation, weakening RMB against the US dollar and import control policies affected China's import demand for sub-bituminous coal and off-spec high ash Newcastle coal.
More than 60% of Indonesia's coal exports is of sub-bituminous coal. Slowing China's demand also put pressure on sub-bituminous coal.
The softening China's appetite for coal import also caused a larger disconnection in the thermal coal market between the prices of lower CV sub-bituminous coal and the globalCoal Newcastle benchmark coal in 3Q18, Adaro Energy noted in the report. The subdued coal import demand from China causing the decoupling between China's domestic coal and import prices.
On the supply side, Adaro Energy said higher coal supply from Indonesia in 3Q18 due to the dry weather increases supply of sub-bituminous coal in the seaborne market.
As for the high calorific- coal, the seaborne market saw a supply tightness in the 3Q as the main producer, Australia, was faced with weather-related issues which affected production activities and infrastructure availability, according to the report.
“At the same time, demand for high energy coal from Japan, South Korea, and Taiwan was higher than expected. In particular, demand from Germany and Spain increased as gas prices were very high, making coal more beneficial for power uti