In the framework of research collaboration between the ECREEE and the Universidad Politécnica De Madrid (UPM) on the efficient use of climate change adaptation technologies in water usages (e.g. irrigation supply) (or) storm water/flood management in Sub Saharan Africa (SSA) cities. A research on the Economic Assessment of Large Power Photovoltaic Irrigation Systems in the ECOWAS region has been peer published. The research was funded by the African Development Bank (AfDB).