History of Zion Station

Milestones

• Construction permit issued: December 1968
• Operating license issued: April 6, 1973 for Unit 1 and Nov. 14, 1973 for Unit 2
• Commercial operations achieved: December 1973 for Unit 1 and September 1974 for Unit 2
• Final reactor operation: Feb. 21, 1997 for Unit 1 and Sept. 19, 1996 for Unit 2
• All fuel removed from the reactor and placed in the spent fuel pool: April 27, 1997 for Unit 1 and Feb. 25, 1998 for Unit 2
• Cessation of operations : Jan.15, 1998
• Decommissioning began: Sept. 1, 2010