The objective of this study was to determine whether a PESTLE analysis and sector factors can be incorporated as building blocks in the conceptual development of a PMMM for the South African power sector. A PESTLE analysis studies the key external factors (political, economic, sociological, technological, legal and environmental) that influence an organisation. A detailed literature review was conducted on the topic and a research design was developed followed with a case study. The research establishes the characteristics of the South African power sector through a literature review and a PESTLE analysis. This study contributes to the discussion on constructing a conceptual PMMM for the South African power sector. In 2018 African countries created the largest global continental market to boost trade in Africa by signing the Continental Free Trade Agreement. At that time, Africa had the lowest intra-trade figure compared to its Asian