Complex sentence: Long term planning refers to thinking ahead, or in other words if in the future there was a new establishment that needed an energy supply would there be an easy fix to add on to the network ?
Split into simpler sentences: Long term planning refers to thinking ahead, or in other words thinking of the future. Some questions that should be taken into account such as, if there was a new establishment that needed an energy supply would there be an easy fix to add on to the network?