4:15 p.m.-4:33 p.m. September 11, 2001: Con Edison Shuts off Power to WTC 7 after Being Told It Could Collapse

Fred Simms. [Source: Con Edison]After the fire department informs it that Building 7 of the World Trade Center could collapse, New York power company Con Edison shuts off power to this building. [9/11 Commission, 2/26/2004 ] Con Edison has a major electrical substation on the first and second floors of WTC 7. [New York Times, 9/11/2002; National Institute of Standards and Technology, 11/2008, pp. 5 ] Its representatives who had been in WTC 7 did not think that the building would come down. But, at 4:15 p.m., Con Edison emergency field manager Fred Simms speaks to the New York Fire Department and then tells his company’s headquarters that the fire department thinks WTC 7 will collapse. The fire department then asks Con Edison to shut down the power to WTC 7, which it does. [City of New York, 6/13/2002; 9/11 Commission, 2/26/2004 ] Electric power to Con Edison’s lower Manhattan substation at WTC 7 is shut off at 4:33 p.m. [National Institute of Standards and Technology, 11/2008, pp. 303 ] Also around this time, people are evacuated from the area around WTC 7, due to concerns that the building could collapse (see (4:30 p.m.) September 11, 2001). [Kansas City Star, 3/28/2004] WTC 7, a 47-story tower located just to the north of the main WTC complex, will come down at 5:20 p.m. (see (5:20 p.m.) September 11, 2001). [National Institute of Standards and Technology, 11/2008, pp. xxxv ] The Con Edison electrical substation below it will be destroyed in this collapse. [New York Times, 9/11/2002]