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Section 216(a) of the Federal Power Act, as amended by the Energy Policy Act of 2005, directs the U.S. Department of Energy (DOE) to conduct a study every three years on electric transmission congestion and constraints within the Eastern and Western Interconnections. Based on these studies, and comments concerning them from states and other stakeholders, the Secretary of Energy may designate any geographic area experiencing electric transmission capacity constraints or congestion as a national interest electric transmission corridor (National Corridor). Based on the 2006 study, two National Interest Electric Transmission Corridors were designated in 2007. These were invalidated by a federal appeals court in 2011.
Background Documents - 2006 Congestion Study
The Federal Register Notice of Inquiry requesting comments and providing notice of a technical conference was issued on February 2, 2006.
A public technical conference on the 2006 study and criteria for designation of National Interest Electric Transmission Corridors was held on March 29, 2006.
The Department of Energy issued the 2006 National Electric Transmission Congestion Study in August 2006.