The back-up power is the best mitigation measure to be adopted by firms especially firms in the manufacturing and mining sector. In order for them to avoid power disruption, they have to back-up through the following ways: First, is to install diesel generator systems in their facilities to help them during emergencies. Secondly, is for them to install solar Fuel or Wind cell batteries as a hybrid system since they are more reliable than relying only on the supply of electric power which is beyond their control