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Journal of Energy in Southern Africa

On-line version ISSN 2413-3051
Print version ISSN 1021-447X

Abstract

WRIGHT, Jarrad G.  and  VAN COLLER, John. System adequacy in the Southern African Power Pool: A case for capacity mechanisms. J. energy South. Afr. [online]. 2018, vol.29, n.4, pp.37-50. ISSN 2413-3051.  http://dx.doi.org/10.17159/2413-3051/2018/v29i4a5581.

The requirement for increased investment in electrical energy infrastructure in the Southern African Power Pool (SAPP) region is contextualised. Background on the SAPP is provided for reference. A brief assessment of historical capacity adequacy in the SAPP region shows historically sustained levels of inadequacy as well as distinctive investment cycles primarily as a result of administratively determined generation capacity investments within each member country. The introduction of an appropriately designed capacity mechanism is proposed for SAPP to facilitate system adequacy and incentivise long-term capacity investment. Highlights • Increased investment in electrical energy infrastructure in the SAPP region is needed to enable increased electricity access and economic growth. • The SAPP region has exhibited historical sustained system inadequacy and distinctive investment cycles. • Competitive electricity trade is increasing and displacing bilateral contacts. • An appropriately designed capacity mechanism for SAPP could facilitate system adequacy and incentivise long-term capacity investment.

Keywords : Interconnection; capacity investment; electricity access; competitive electricity trade; capacity mechanisms.

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