The configuration of the electrical distribution system changes over time to meet the needs of the various generation/manufacturing/operating processes. The alteration of an electrical distribution system configuration results in the operating characteristics/specification of the network changing.

For new and expanding facilities it is necessary to determine the predicted electrical load growth rate and to investigate suitable connection points for the connection of future loads. One should always determine the suitability of location in the electrical distribution network that can be utilised for the connection of electrical loads,

Anticipated maximum system fault levels will rise and fall depending on the system configuration and also the feeding arrangements. The connection of equipment such as transformers, UPS systems and generators etc. to the electrical distribution system can increase the overall fault levels that can occur during a fault event.