Role of NEPAD-CAADP in increasing investment in agriculture NEPAD Planning and Coordinating Agency.
Hydropower Development in...
Transcript of Hydropower Development in...
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Hydropower Hydropower Development in AfricaDevelopment in Africa
Problems and Prospects
E.A.K.Kalitsi Ghana
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OutlineOutline
Overview of African Power SectorCurrent status of hydropower in AfricaPotential contribution of hydropowerDevelopment of hydro projectsEnvironmental and social concernsFinancing Hydro ProjectsAction Plan to meet NEPAD initiative
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IntroductionIntroduction
Focus of NEPAD on Energy Wood, peat & animal waste - today’s main energy sources in AfricaRole of modern energy in alleviating poverty in AfricaPotential for Hydropower energy for development
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Overview of Power SectorOverview of Power Sector
Today only 10% of Africans have access to electricityUneven distribution of electricity with concentration in a few countries82% of electricity generation in Northern & Southern regions
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Overview of Power SectorOverview of Power Sector
Lowest Annual Per capita consumption in the world (450 kWh)Moves to increase and redistribute access through formation of power pools.
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Current Status of HydropowerCurrent Status of Hydropower
Gross Theoretical Hydropower Potential (GWh/year)
Technically feasible Hydropower Potential (GWh/year)
Economically feasible Hydropower Potential (GWh/year)
Installed hydro capacity (MW)
Production from hydro plants (GWh/Year)
Hydro capacity under construction (MW)
Planned hydro capacity (MW)
4,000,000 1,750,000 1,000,000 20,300 76,000 >2,403 >60,000
Source: 2001 World Atlas and Industry Guide International Journal of Hydropower and Dams
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Current Status of HydropowerCurrent Status of Hydropower
DistributionNorth Africa - 23%West Africa - 25%South/Central/Eastern Africa – 51%
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Current Status of HydropowerCurrent Status of HydropowerHydro-projects built to provide basis for industrialisation and social and economic developmentBenefits include:– Water Supply– Irrigation– Navigation– Fisheries– Tourism
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Current Status of HydropowerCurrent Status of HydropowerContribution of Hydro to Africa's Primary
Energy Needs - 2002
Oil41%
Coal7%
Natural Gas19%
Hydro32%
Nuclear1%
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Potential Contribution of HydroPotential Contribution of Hydro
Classification of Hydropower PlantsClassification of Hydropower Plants
Large
Medium
Small
500 MW
10 MW
10 kW
500 kWMini
Micro
Pico
Large
Medium
Small
500 MW
10 MW
10 kW
500 kWMini
Micro
Pico
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Potential Contribution of HydroPotential Contribution of Hydro
Feasible potential of 1,750,000 GWh/yearOnly 4.3% exploitedRapid exploitation hampered by low demand and dispersed populationOpportunities of small hydro in matching supply with demand
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Potential Contribution of HydroPotential Contribution of Hydro
Small hydroAdvantages include:
Competition in supplying Africa’s mainly rural populations.Low capital requirementsModular, sized to meet demandUnexploited potential
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Potential Contribution of HydroPotential Contribution of Hydro
Small HydroDevelopment hampered by preference for large projects.Investment concentrated mainly on large dams because– Easier to finance– Lower unit cost of generation
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Potential Contribution of HydroPotential Contribution of HydroLarge Hydropower
Large undeveloped capacity (e.g. INGA)Potential for development as regional projects to service and expand marketNEPAD to facilitate the formation and expansion of interconnected systems and power pools
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Development of HydropowerDevelopment of Hydropower
Focus on development as regional projectsDevelopment of regional transmission infrastructure for power evacuation and market creation
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Development of HydropowerDevelopment of Hydropower
Proposed regional hydro projects :INGA in DR CongoKafue Gorge Lower in ZambiaCabora Bassa in MozambiqueMaguga in Swaziland Bui in GhanaBujagali in Uganda
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Development of HydropowerDevelopment of Hydropower
Proposed Regional Transmission Projects
Upgrade of Zambia - DR Congo -S. Africa Interconnection Zambia-Tanzania InterconnectionNamibia-Botswana InterconnectionW. Africa Grid Network and Power Pool
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Development of HydropowerDevelopment of Hydropower
Phased development of transmission to lead to Africa-wide interconnected networkRole of NEPAD in encouraging regional trade in electricity
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Social & Environmental IssuesSocial & Environmental IssuesMitigation Of Environmental Impacts
Environmental and social Impact of Dams Need for pre planning and continuous assessmentPost Implementation MonitoringResettlementAfforestationPower costs and prices to fully reflect environmental and social costsThose who sacrifice need to be compensated
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Financing HydropowerFinancing HydropowerTraditionally been public financedToday, there is shortage of public financeNeed to attract private sector financingMitigation of risks perceived by investorsOther risks: – Hydrological uncertainties – high Upfront Capital Investments– Cost overruns and time slippage – negative public perception
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Action Plan to achieve NEPAD Action Plan to achieve NEPAD InitiativeInitiative
Short TermTo reduce costs, extend access and ensure supply
available on sustainable basis, NEPAD should help utilities and RECs to:Develop proper policy framework, pricing and tariff environmentImprove managerial and technical capabilitiesImprove existing hydro plant capacityAdvance development of regional projects
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Action Plan to achieve NEPAD Action Plan to achieve NEPAD InitiativeInitiative
Medium to Long termImplement identified projectsBuild capacity for medium and small hydro
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ConclusionsConclusions
Major problems facing hydro power development include:High up-front investment requirementsHigh risks (technical, economic, commercial, environmental and social)
Low access of population to electricity creates opportunities for hydropower development
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ConclusionConclusion
StrategiesRehabilitation and operational improvement of existing hydro plantsCollaboration of NEPAD and Regional Economic Commissions