1) Interconnectedness 
• (n.) Connection between; mutual connection.
When capitalized, any one of the five major electric system networks in North America: Eastern, Western, ERCOT (Texas), Quebec, and Alaska. When not capitalized, the facilities that connect two systems or control areas. Additionally, an interconnection refers to the facilities that connect a nonutility generator to a control area or system.
A connection or link between power systems that enables them to draw on each other's reserve capacity in time of need.
connection of distinct electric circuits or electric networks to each otherelectrical connection between a wind turbine generator system and a network, in which energy can be transferred from the wind turbine to the network and vice versaa single or multiple transmission link between transmission systems enabling electricity to be exchanged between these systems by means of circuits and/or transformers
The physical wiring or circuit pattern between components and individual units or subassemblies. 
A connection or link between power systems that enables them to draw on one another's reserve in time of need. ... (05 Dec 1998) ... 
is a transmission link (such as a tieline or transformer), which connects two control areas.
In`ter·con·nec'tion noun Connection between; mutual connection. 
The electrical connection between two component pins or other items
[n] - a state of being connected reciprocally 2. [n] - the act of interconnecting (wires or computers or theories etc.)
noun (computer science) the act of interconnecting (wires or computers or theories etc.)
A connection or link between power systems that enables them to draw on each other's reserve capacity in time of need.