“To an unknown but significant extent, power infrastructure gets its security through obscurity.”
Moore County’s roughly 100,000 people hang off two 230 kV lines, and both land at one substation, West End. Someone shot up its transformers and about 45,000 homes and businesses sat in the dark for four days. The grid map that shows this single point of failure is public on the EIA website and OpenStreetMap. Duke Energy’s response so far is a new gate.