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SADC Today Volume 11 No.3, December 2008
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Time for Africa to harness its huge hydro-energy potential

by Richard Nyamanhindi

COUNTRY REPRESENTATIVES attending the 20th Session of the African Hydro Symposium held in Zambia have called for African governments to harness its huge hydroenergy potential, as it is cheap and clean.

According to Lawrence Musaba, the Coordination Centre Manager for the Southern African Power Pool (SAPP), Africa has a combined feasible hydrocapacity of more than 1,750,000 gigawatts (GW) per year, enough to power the whole continent but unfortunately, only 4.3 percent of this is being exploited.

The symposium heard from SAPP and the Regional Electricity Regulators Association of Southern Africa (RERA) that in order to deal with the regional power deficits and stop a further decline of the environment, alternative power sources have to be researched and exploited.

One such renewable energy source is hydro which involves using water to turn turbines, and generate clean and cheap electricity.

With seven major river systems (Congo, Limpopo, Niger, Nile, Orange, Senegal and Zambezi) Africa holds 10 percent of the world hydro-energy potential, but has so far exploited only a small part of its capability, the symposium heard.

RERA stressed that climate change, the quest for cleaner energy and Africa's needs for constant power supply clearly underscore the need to boost investment in the hydropower sector while taking into account broader environmental, economic and social concerns.

The symposium, which aims at sharing experiences between governments and the private sector, is intended to pool resources and step up regional cooperation in the energy sector among African countries.

At the opening ceremony, Zambia's Energy and Water Development Minister, Kenneth Konga, appealed for the reinforcement of cooperation amongst countries of the region, with the aim of strengthening cohesion towards regional energy development.

Discussion at this year's conference covered topics such as the energy shortage in the region, an evaluation of progress on current projects, plans to move establish a single power pool for the continent, lessons and challenges of new energy technology, and sharing of experiences, among other issues.

Before the conference, a panel of regional utilities was assembled to review the key questions relating to water and energy resource exploitation, financing, and environmental and social impacts.

The panel's report noted that hydropower has been financed traditionally by public funds and therefore recommended the involvement of the private sector as the continent is facing a shortage of public funds.

The panel also called for the development of mini-hydro stations that have the potential of supplying cheap energy to rural communities.

Hydropower is plentiful in eastern and southern Africa where availability of adequate rainfall and relief creates the basic natural potential for exploitation.

North Africa has 23 percent of the continent's hydro-power, West Africa has 25 percent, while east and southern Africa have 52 percent.

Examples of major hydro projects in southern Africa include the Inga hydropower station in the Democratic Republic of Congo (DRC) of which construction of phase three is expected to start in 2009 at a total cost of US$3.6 billion.

The Inga Falls project is believed to be the largest single hydropower initiative in the world and, when operating at full capacity, is expected to surpass Mozambique's Cahora Bassa, currently one of Africa's biggest hydroelectric stations, producing an estimated 2,500 MW.

Other hydropower projects in southern Africa include Kariba (shared by Zambia and Zimbabwe), Kafue Gorge in Zambia, Kidatu in Tanzania, Maguga in Swaziland, and the Bethlehem power project in South Africa, among others. 

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