It is important to note that there is no "national power grid" in the United States. In fact, the continental United States is divided into three main power grids: The Eastern Interconnected System, or the Eastern Interconnect The Western Interconnected System, or the Western Interconnect The Texas Interconnected System, or the Texas Interconnect
That map reminds me of the threat BL made to divide the US in three.
What in the heck is the loopy thing in PA?