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DAM SYNCHRONISATION AND FLOOD RELEASES IN THE ZAMBEZI RIVER BASIN: ANNEX 4 OF FINAL REPORT Tanzania will connect the Southern African Power Pool to the Eastern African Power Pool. The exchange of power generated on the Zambezi now depends considerably on the capacity of the interconnections through Zimbabwe. Several planned new and enhanced interconnections will improve this situation (Zimbabwe-Zambia-Botswana, DRC-Zambia-Zimbabwe-South Africa, Mozambique-South Africa). If substitution of hydropower is considered for the benefit of flood control, the most needed investment above all else is an efficient flow forecasting system within the basin. Such a system can assist in determining if substitution of hydropower can contribute to flood control and can help to optimize hydropower production. 90
DAM SYNCHRONISATION AND FLOOD RELEASES IN THE ZAMBEZI RIVER BASIN: ANNEX 4 OF FINAL REPORT 10 Evaluation of investments 10.1 Overview of all investments This chapter presents the overall findings on investments. In interpreting this chapter it is important to take note of the following. This study evaluated investments which the Terms of Reference of this Study required to be evaluated (See Introduction). However, during the course of the project, alternative investment options became apparent. In the respective chapters and in the intervention sheets these alternative investments are mentioned. Although these alternative investments may have not be evaluated to the same extent, it is important that alternative promising investments will remain to be considered. This study has no intention to make definitive conclusions about investments that are initiated for different reasons by different actors and have values of millions of US dollar. Some of these investment options are at a final stage of decision making. The evaluation is meant to shed light at a Zambezi River Basin Scale of investments that can contribute to flood protection or flow regulation for the environment. The recommendations as a follow up of this project are different for different investments and not so much a decision framework for all investments together, although some insight is gained by making it explicit how the different investments compare. This evaluation will help ZAMCOM to find its role in reacting to or the initiation of investments. In the next chapter this is further explained and discussed in the context of recommendations for the decision making process. Overviews are given below of the scores of the different investments, of their location on the map, of the stage of decision making / project implementation they are in. In the next sections the promising and not recommended investments are mentioned. Table 3.1 gives an overall assessment of all investment options investigated and can be used as a key to reading the previous chapters. The scoring in red, green yellow for each criterion, should be considered a first assessment. It is emphasized that a red score should be interpreted as a warning, not as a definite ‗no‘ to the proposed investment, as this is beyond the scope of this study. In a similar way, a green score may still require further study. Figure 10.1 gives a legend to the explanations in this table. Figure 10.2 shows where the investment options are located in the Zambezi river basin. In the next sections the investment options are sorted into ‗investments not to be promoted‘, ‗onvestments to be recommended under certain conditions‘ and ‗promising investments‘ after which Chapter 11 will present recommendations for after this study. 91
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