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Trawsfynydd Location

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Trawsfynydd

Trawsfynydd Site  

Trawsfynydd Power Station
Blaenau Ffestiniog
Gwynedd
LL41 4DT

Tel. 01766 543210

Trawsfynydd Power Station is unique in that the power station was built inland adjacent to a lake which provided cooling water when the station was operational. Trawsfynydd ceased to generate electricity in 1991.

All fuel has been removed from the reactors and decommissioning is well underway. 2010 saw the implementation of the Accelerated Care and Maintenance Business Case, and activity during the reporting period was focused on the delivery of an accelerated decommissioning plan.

Overview

Age Operated from 1965 - 1991
Site Stakeholder Group Trawsfynydd Site Stakeholder Group
Site Licensee Magnox Limited
Parent Body Organisation Energy Solutions Inc
Status Decommissioning and Termination
Cost - Lifetime
(total discounted nuclear liability)
£594m

 * The costs of discharging the nuclear liability will be incurred over a significant period of time. To take account of the time value of money, the costs are "discounted" back to a present value. Effectively this is the amount that would need to be invested today, at a set rate of interest (the discount rate) in order to pay for the liability in the future as it falls due.

Year Key Activities

2073 -
2083

Final site clearance

2027 Safestore completed

2016

Site enters Care and Maintenance phase
During this stage the reactor is left to cool. Most of the structures are removed, and the reactor building is left ina safe state which requires minimum supervision, until final site clearance.

1995

Defuelled
Once a site has finished operating and the fuel has cooled down it can beremoved and taken to Sellafield for reprocessing.


Progress against this year's targets

Status as at end of financial year 2012/13 (Progress against Quarter 1 of 2013/14 will be reported in July 2013)


Site Restoration

Target Status Commentary

Complete North Lane Pond scabbling

Behind target

Final pass suspended due to optioneering to establish best practical end state.

Complete the strengthening of the capping roof

On target

2012/13 target complete

Completion of North FED civil enabling works

Behind target

Ventilation issues and unexpected contamination screed layer.  Completion expected mid May 2013.

Continue safe-store asset care activities to support Care and Maintenance entry

On target

2012/13 target complete

Integrated Waste Management

Target Status Commentary

Complete transfer of legacy waste to the Intermediate Level Waste (ILW) store

On target

2012/13 target complete

Critical Enablers

Target Status Commentary

Capture lessons learned for application to other Magnox sites (lead and learn)

On target

2012/13 target complete

Review the opportunity for personnel and skills transfer between Trawsfynydd, Wylfa and potential new build on Anglesey

On target

Appropriate activities are being discharged


Safety and Environmental Performance

Status as at end of financial year 2012/13 (Progress against Quarter 1 of 2013/14 will be reported in July 2013)

Nuclear Safety
Industrial Safety
Environmental Safety