Objective: The South African business environment is characterized by supply uncertainties, which have large economic implications on the country's capacity to achieve its industrial goals. South Africa's industrial decline and falling economic growth is directly associated with decreasing...

This paper develops a model which can be used to minimize the electricity cost of South African farms through the usage of a wind pump with pico hydro generator and a borehole in pumped hydro storage configuration referred to as "hydro aeropower". This model will optimally schedule the...