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Reading: Greenhouse Gas Emission Mitigation: Sri Lanka Electricity Sector


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Greenhouse Gas Emission Mitigation: Sri Lanka Electricity Sector


Priyantha D. C. Wijayatunga ,

University of Moratuwa, LK
About Priyantha D. C.

Professor in Electrical Engineering

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W. J. L. S. Fernando,

Ceylon Electricity Board, LK
About W. J. L. S.

Deputy General Manager

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Ram M. Shrestha

Asian Institute of Technology, TH
About Ram M.

Professor in the Energy Programme at the School of Environment, Resources and Development

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The traditionally hydropower dominated electricity generation system in Sri Lanka has now turned into a thermal generation dominated system. As a result the expected fuel mix in the future large-scale thermal generation system would be dominated by petroleum products and coal. This will gradually increase greenhouse gas (GHG) and other environmental emissions in the power sector hence requiring special attention on possible mitigation measures.


This paper presents the results of an analysis of both supply-side and demand-side management (DSM) options available for mitigating emissions in the Sri Lanka electricity sector considering technical feasibility and their potential. The paper also examines the carbon abatement costs associated with such supply-side and DSM interventions using an Integrated Resource Planning (IRP) model developed by the Asian Institute of Technology. Further, it analyses a few case studies involving possible power generation projects under Clean Development Mechanism (CDM) where carbon abatement is financially rewarded. It has extended the analysis to investigate the impact of distributed power generation on emissions in the power sector.


It is concluded that while some DSM measures are economically attractive as mitigation measures, the supply-side options do not provide economically beneficial GHG mitigation possibilities in the Sri Lanka electricity generation sector. But the distributed power generation options such as mini-hydro, wind and dendro thermal systems are found to be providing attractive opportunities for carbon trading.

How to Cite: Wijayatunga, P.D.C., Fernando, W.J.L.S. and Shrestha, R.M., 2006. Greenhouse Gas Emission Mitigation: Sri Lanka Electricity Sector. Engineer: Journal of the Institution of Engineers, Sri Lanka, 39(3), pp.7–18. DOI:
Published on 29 Jul 2006.
Peer Reviewed


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