Classifications
Economic Activities
International Standard Industrial Classification of all Economic Activities - ISIC Rev. 3
(UNSD, 1990)
International Standard Industrial Classification of all Economic Activities - ISIC Rev. 4
(UNSD, 2006)
NACE Divisions
(Eurostat)
Fuel Energy and Mineral Resouces
United Nations Framework Classification for Fossil Fuel Energy and Mineral Resources
(UNECE)
Bioenergy
UBET - Unified Bioenergy Terminology
(FAO)
© 2008 OECD/IEA
products
flows
converter
volume
mass
energy
decimal
General Energy Statistics Manuals
Guides for Surveys
Classifications