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WEST AFRICAN POWER POOL (WAPP) PÖYRY ENERGY LTD. Mount Coffee HPP ESIA and RAP 2012-09-18 ESIA Report Page 182 covered are the macro-economic situation of Liberia, the actual and future demand for electricity, the existing and planned electricity production system and the tariffs. Chapter 25.4 describes the approach followed to perform the economic analysis and summarizes the obtained results. The Report ends with Chapter 25.5 Conclusions and Recommendations. Short and summary tables are included in the main text. Detailed tables are grouped in the Annex 25. 25.2 Mount Coffee Hydropower Plant 25.2.1 Stanley Consultants’ Study 2008 The firm Stanley Consultants completed in December 2008 the Technical and Financial Feasibility Study for the Reconstruction and Expansion of the Mount Coffee Hydropower Facility. This study is very comprehensive and covers all the topics normally pertaining to a feasibility study, from project optimization to financial and economic analysis. In the next paragraphs, the technical characteristics and parameters of the proposed project relevant for the present study are summarized. Given the characteristics of the situation in Liberia prevailing at the time of the preparation of the feasibility study, Stanley Consultants proposed the following threestep process to meet internal demands for electricity: � First Step: Rehabilitate Mount Coffee Hydropower Plant, with four turbines with a total installed capacity of 66 MW and construct a new storage reservoir near the confluence of the St. Paul and Via Rivers (Via Storage Project) to firm up the energy production � Second Step: Implement Stage 1 developments at Projects SP-1B and SP-2. These projects would be sized to take full advantage of the storage provided by the Via Project � Third Step: Implement the much larger “Ultimate” Via Storage Project, Project SP-4 and Hydroelectric Project V-1. Most relevant for the present study is the rehabilitation of Mount Coffee Hydropower Plant. Via Storage Reservoir Project and the Projects SP-1B and SP-2 on the St. Paul River will also be considered, where appropriate. The capacity installed at Mount Coffee Hydropower Plant will amount to 66 MW, with and without the Via Storage Project. For the average electricity production, Stanley Consultants retained the following figures: � Without Via Project: 342 GWh � With Via Project: 435 GWh. A summary of the probable project costs obtained by Stanley Consultants is given in the following table, in million US $:
WEST AFRICAN POWER POOL (WAPP) PÖYRY ENERGY LTD. Mount Coffee HPP ESIA and RAP 2012-09-18 ESIA Report Page 183 Table 25-1: MCHPP Rehabilitation, total project cost Project Name Mount Coffee HPP Via Storage Project Total Total cost 162 221 383 The costs of the project are expressed in US $ of 2008. They include all the project components, administration, contingencies, indirect costs, taxes and import duties. Stanley Consultants estimated that the project could be realized in four and a half years and proposed the following annual investment requirements, in million US $: Table 25-2: MCHPP Rehabilitation, annual investment requirements Project 2008 2009 2010 2011 2012 2013 Total Mt Coffee 1 30 33 62.5 33.5 2 162 Via 1 22 33 82.5 82.5 0 221 Total 2 52 66 145 116 2 383 25.2.2 Study Options for the Development of Liberia’s Energy Sector The paper “Options for the Development of Liberia’s Energy Sector” was completed in October 2011 for the International <strong>Bank</strong> for Reconstruction and Development. Its purpose was to show options for the supply of electricity to Liberia. Accordingly a Least-Cost Energy System Expansion for the Period 2010 to 2040 was developed. For the preparation of this system expansion plan, about a dozen options were studied. The rehabilitated Mount Coffee Hydropower Plant and a few other hydropower projects to be located on the St. Paul River formed some of the considered options. The technical and economical characteristics of the considered hydropower plant options were taken over from the Stanley Consultants Feasibility Study of 2008 and are: Table 25-3: Considered HPP options, technical and economic characteristics Project Name Capacity Energy Capital Cost MW GWh Million US $ Mount Coffee 66 342 162 Mount Coffee + Via storage 66 435 383 SP-1B +SP-2 + Via storage 198 1’960 879 St Paul-2 (SP-2) project is located on the St Paul River 60 km downstream of the planned Via Reservoir. It will produce 1’330 GWh. St Paul-1B (SP-1B) will be located 40 km downstream of SP-2 and will produce 630 GWh. The capital costs shown in the preceding table are expressed in 2008 US $. For the development of the least cost expansion plan, these costs were updated to the year 2009 and discounted to the year 2010 with a discount rate of 12%.
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