Coal, Nuclear

Unusual event declared at Three Mile Island after fire

LONDONDERRY TOWNSHIP, Pa., July 2, 2003 — AmerGen Energy Co. declared an Unusual Event Wednesday at Three Mile Island at 11:10 a.m. EDT due to a transformer fire in the TMI Unit 2 turbine building switchgear room.

The station requested off-site assistance to extinguish the fire, which was put out at 11:25 a.m. EDT. At 12:45 p.m. EDT the station exited the Unusual Event.

The transformer is part of the distribution system that feeds power to Unit 2 non-safety related equipment. Unit 2 is decommissioned and owned by First Energy Corporation and has not operated since 1979.

Three Mile Island Unit 1 continues to operate at full power. There has been no impact to the safe operations of the plant or safety to the public. There have been no injuries. There has been no release of radiation.

The station has notified all local and state officials as well as the Nuclear Regulatory Commission.

TMI-1 is owned and operated by AmerGen Energy Company, a joint venture between Exelon and British Energy. TMI-1 is part of the Exelon Nuclear fleet of reactors. Exelon Nuclear is headquartered in Warrenville, Ill., and is a division of Exelon Generation, headquartered in Kennett Square, Pa.