In early 2014, a successful chrome mine was exceeding the kVA rating of its supply
transformers, by constantly expanding and adding more electrical equipment, as the mine
grew. The mine applied for more power from Eskom, but the associated costs were exorbitant.
By installing power factor correction equipment, the mine was able to reduce the load on
the supply transformers by 29% which allowed them to expand even further without
having to increase their Eskom supply.
The mine informed us that their investment payback period had been calculated at 3.2