Hydrokinetic power generation for rural electricity supply: Case of South Africa

This study investigates the possibility of using and developing hydrokinetic power to supply reliable, affordable and sustainable electricity to rural, remote and isolated loads in rural South Africa where reasonable water resource is available. Simulations are performed using the Hybrid Optimization Model for Electric Renewable (HOMER) and the results are compared to those from other supply options such as standalone Photovoltaic system (PV), wind, diesel generator (DG) and grid extension. Finally the paper points out some major challenges that are facing the development of this technology in South Africa.

► Hydrokinetic power generation is proposed as primary source of energy supply in rural electrification.
► Four different possible supply options are simulated, analysed and compared.
► Two different locations and consumption scenarios in South Africa are used for comparison purpose.
►  Hydrokinetic is the best option compared to wind, PV or diesel where adequate water resource is available.