There is not enough information yet to make a call, but it is good that the artical is bringing the idea up. Very quietly some businesses are electronically disconnecting from the Grid. This has been to keep their power systems away from hackers, but it also puts some distance between the local system and the grid if a problem develops. It is a story to keep an eye on.
from CTI Consulting http://ift.tt/2p0I4Yb