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Economic Evaluation of Pumped Storage Power Plant Complexes and Comparison with other Candidate Pumped Storage Power Plants Proposed for Sri Lanka

Author:

M. T. A. P. Wickramarathna

Ceylon Electricity Board, P O Box 540, Colombo, LK
About M. T. A. P.
Electrical Engineer
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Abstract

The daily electricity demand in Sri Lanka varies significantly with the time. The maximum demand occurs between 0630pm to 0930pm and the lowest demand occurs between 0030am to 0430am. The maximum demand is more than twice the lowest demand. According to the Ceylon Electricity Board (CEB) Long Term Generation Plan 2013~2032, sixteen coal power plants amounting to 4,700MW capacity will be added to the Sri Lanka power system in future. For economic operation of coal power plants in a power system which has significantly varying load throughout the day, energy storage mechanisms such as Pumped Storage Power Plant (PSPP) are required.

 

The studies reveal that Sri Lanka has several attractive natural sites for Pumped Storage Power Plants, among them two sites can be developed as Pumped Storage Power Plant Complexes (PSPPC). This paper present the economic evaluation of possible sites and the findings shows that developing 1,000MW Maha Pumped Storage Power Plant Complex would be the most economical candidate site when considering the capacity requirement with the time.

How to Cite: Wickramarathna, M.T.A.P., 2015. Economic Evaluation of Pumped Storage Power Plant Complexes and Comparison with other Candidate Pumped Storage Power Plants Proposed for Sri Lanka. SLEMA Journal, 18(2), pp.11–22. DOI: http://doi.org/10.4038/slemaj.v18i2.16
Published on 26 Sep 2015.
Peer Reviewed

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