The following tables, produced by SA Power Networks, show how the total cost of the electricity supplied to SA consumers is calculated. - and how the mix of various contributing factors has changed over the last two decades.

In brief,  while SA Power Network’s distribution costs to individual households have steadily reduced and Electranet’s transmission costs have remained much the same, "energy retail” costs, which include generators and retailers, have increased significantly in recent years.

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AuthorRay Dennis