Decomposition of CO₂ intensities from use of energy: case of Thai industry between 1981 and 2000
by Subhes C. Bhattacharyya, Arjaree Ussanarassamee
International Journal of Global Environmental Issues (IJGENVI), Vol. 4, No. 1/2/3, 2004

Abstract: Industry consumes about 30% of total final energy demand in Thailand and is a major source of CO₂ emission from energy use. CO₂ emission from the industrial sector has increased as a result of high growth in energy demand. This paper analyses the changes in CO₂ intensity arising from energy use over a period of 20 years (1981 to 2000) and identifies the factors affecting the changes using Log-mean Divisia decomposition technique. The analysis is carried out in four phases and the results indicate that although CO₂ emission has more than tripled, the CO₂ intensity has marginally declined if renewable energies are considered as carbon non-neutral (marginally increased in the other case). An increase in energy intensity and a switchover to carbon intensive fuel mix were two major factors affecting CO₂ intensity adversely. During the economic crisis of 1996–1998 and its aftermath, CO₂ intensity of industrial energy use declined marginally.

Online publication date: Sun, 19-Sep-2004

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