Insolation models have been recognized for many years in solar energy systems as important tools to determine radiations for locations lacking insolation data base. Unfortunately, for most geographical areas in Zambia, the insolation data is not available. Correlations between the daily measurements of global solar radiation and the meteorological parameters were presented in tabular form for the selected locations. A common relationship to estimate global solar radiation for the all Zambia is also established. The values of correlation coefficients established varied from 53% to 97% and the errors of estimation were between 0.24 and 0.0.84.
The PEESA II project promotes the exchange between German and Southern Africa's students in order to increase the number of highly qualified experts in the field of renewable energies and the quality of curricula developed in the previous PEESA project. However, the
NEED), comprises a consortium of five partner institutions from Botswana, Germany, Namibia and Zambia undertaking collaborative research aimed at kick-starting and institutionalizing the widespread exploitation of renewable energy resources in the Southern African region. Starting with three countries, namely Botswana, Namibia, and Zambia, the network is expected to gradually expand to cover the SADC region. The paper highlights the activity areas and concerns of the NEED project: establishing the dominant renewable energy technologies (RET); capacity building; harmonizing industry standards; institutionalizing policies and research strategies; and developing RET concepts for the dry and wet regions of Namibia and Botswana, respectively.
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