Reactor Decommissioning History
Zion 1 & 2
revised 8/26/06

Overview

Zion 1 & 2 (ZNPS) are Westinghouse commercial PWR power reactors. Unit 1 (DPR-39) & Unit 2 (DPR-48) each had a generating capacity of 1085 MWe and design capacity of 3250 MWt. Commercial operations were achieved for Unit-1 on December 1973 and for Unit-2 on September 1974. Final reactor operation for Unit-1 was February 21, 1997 and Unit-2 was September 19, 1996. Both units are in SAFSTOR (or Delayed-DECON). Reactor decommissioning activities anticipated to start 2013 for Unit-1 and 2015 for Unit-2.

Reactor Decommissioning Specifics

Internals Removal
Underwater segmentation planned.

Reactor Vessel Removal
Segment the RV and head. Current plan is to segment the vessel dry.

Segmentation and Packaging Plan (S&P Plan)
Plan unknown.

Key People
Unknown.

Contractors
TLG Services (for D&D cost estimating in 1999).

Comments
Please contact us if you have further information.

Related Publications and Documents
Unknown.

References
The NRC's web page as of 8/24/06.
INSC web page as of 8/22/05.
Exelon Nuclear Operations Communications Department on 8/25/06.
Commonwealth Edison's PSDAR to the NRC dated February 14, 2000, revision 0.

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