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HARD COAL

Statistics Directorate    
Definition:
A black, natural fossil organic sediment with a gross calorific value of more than 23 860 kJ/kg (5 700 kcal/kg) in the ash-free condition and with the moisture content obtaining at a temperature of 30 degrees C and relative air humidity of 96 per cent, and with a mean random reflectance of vitrinite of at least 0.6.

Context:
Hard coal is calculated by the International Energy Agency as the sum of Coking coal and Steam coal (Electricity information 2001, International Energy Agency, Paris – Part II).

Source Publication:
Glossary for Transport Statistics, prepared by the Intersecretariat Working Group on Transport Statistics – Eurostat, European Conference of Ministers of Transport (ECMT), United Nations Economic Commission for Europe (UNECE).

Statistical Theme: Energy statistics

Created on Tuesday, June 18, 2002

Last updated on Wednesday, July 31, 2002