INDONESIA

Proved recoverable reserves (total coal, million tonnes) 5 370
Production (total coal, million tonnes, 1999) 70.7

Indonesia possesses very substantial coal resources: according to recent data from the Directorate of Mineral and Coal Enterprises, measured resources total 11 569 million tonnes and indicated resources amount to a further 27 306 million tonnes. Within these huge tonnages, mineable reserves (taken as corresponding with proved recoverable reserves for the purposes of the present Survey) are given as 5 368 million tonnes, of which about 53% is located in Sumatra and 47% in Kalimantan.

A breakdown of mineable reserves by rank is not currently available from the Directorate of Mineral and Coal Enterprises; the allocation shown in Table 1.1 should be regarded as strictly provisional – it is based upon a breakdown of total coal resources issued by the Directorate of Coal in 1995, which showed lignite as accounting for 59% of coal deposits, sub-bituminous coal 27% and bituminous 14%, with anthracite representing less than 0.4% of the total.

Indonesian coals in production generally have medium calorific values (5 000-7 000 kcal/kg or 21-29 MJ/kg), with relatively high percentages of volatile matter; they benefit from low ash and sulphur contents, making them some of the cleanest coals in the world.

Competitive quality characteristics have secured substantial export markets for Indonesian coal: in 2000 over 58 million tonnes were shipped overseas, representing just over 75% of total coal output.

Within Indonesia, coal’s main market is power generation, which accounted for 69% of internal consumption in 1998

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