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Location

Trawsfynydd Location

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Performance Updates

Find out more about Trawsfynydd's Performance, visit our Programme Performance Updates section.

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Related Documents

Site Progress Key

On target
 On target
Behind target with possibility of recovery
 Behind target with possibility of recovery
Behind target
 Behind target

Safety and Environmental Performance Key

Nuclear Safety
No incidents this month No incidents in the month
One or more incidents in the month One or more INES Level 1 or above in the month
Industrial Safety
No incidents this month No incidents in the month
One or more incidents in the month One or more RIDDOR reportable events in the month
Environmental Safety
No incidents this month No incidents in the month
One or more incidents in the month One or more environmental non compliances in the month
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Home > Our Sites > Trawsfynydd  

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)
 £675m

 * 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 Quarter 3 (end December 2011) - next update due April 2012


Site Restoration

Target Status Commentary

Completion of ponds North lanes walls preparation (scabbling)
On target

Complete

Completion of safestore capping roofs construction Reactor 1 North and Reactor 2 South
On target

Complete

Hazard reduction through waste retrieval and decontamination for early care and maintenance entry.
On target

On track

North and South Fuel Element Debris (FED) civils preparation works
On target

On track

Integrated Waste Management

Target Status Commentary

Ongoing transfer of drums to the Intermediate Level Waste (ILW) store
On target

On track

Safety and Environmental Performance

Status as at end Quarter 3 (end December 2011) - next update due April 2012

Nuclear Safety
Industrial Safety
Environmental Safety