Sellafield costs
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Performance of major projects at Sellafield
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Source: http://www.nao.org.uk/publications/press_notice_home/1213/1213630.aspx
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Project in planning and design phase
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ProjectDescriptionYear project initiatedYears in planning/design stageEstimated cost at initiation (£m)Estimated cost at initiation (£m, lower estimate)Estimated cost at initiation (£m, upper estimate)Estimated cost in performance plan May 2011 (£m)Estimated cost as at March 2012 (£m)Variance against original upper estimate (£m)Variance against upper estimate at initiation (%)Variance against performance plan estimated cost (£m)Total spend to March 2012 (£m)Planned delivery date when initiatedPlanned delivery date in 2011 performance planEstimated delivery date as at March 2012 Variance against delivery date when initiated (months)Variance against delivery date in 2011 performance plan (months)
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Bulk sludge and fuel retrievalsProvide assets needed to support the export of ponds solids, wet bay solids and sludge2004873–22973229227233426132December 2012November 2016November 2016470
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Pile fuel cladding siloDesign and build a new waste retrieval plant20057150–495150495342341-154-31-1117October 2019August 2017August 2017-260
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Box encapsulation plant product stores comprehensive import/export facilityDesign and build a store with an import/export facility for containerised intermediate-level waste20066108–119108119277281162136443January 2019October 2017October 2017-150
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Silos maintenance facilityBuild a high contamination workshop to keep machines functional or permit their replacement during retrieval operations2006549–18049180165165-15-8021October 2011May 2017February 201764-3
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Highly active liquor storage tanksBuild replacement tanks to hold highly active liquid waste from reprocessing20075838383474474391471039March 2013March 2018Cancelled00
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Silos direct encapsulation plantBuild a treatment plant to deal with hazardous legacy waste20102560–669560669668128161291613207November 2018June 2017October 2017-134
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Ponds solid treatment plant technical underpinning project Complete a series of studies to define solutions for the management of ponds solids201022929292921-8-28-83March 2015March 2015March 201500
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Total1052–1804105218042182279699255614562571
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Summary for graph
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Original (min)Original (max)May 2011March 2012
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Bulk sludge and fuel retrievals (begun 2004)73229227233
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Pile fuel cladding silo (begun 2005)150495342341
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Box encapsulation plant product stores comprehensive import/export facility (begun 2006)108119277281
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Silos maintenance facility (begun 2006)49180165165
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Highly active liquor storage tanks (begun 2007)8383474474
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Silos direct encapsulation plant (begun 2010)5606696681281
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Ponds solid treatment plant technical underpinning project (begun 2010) 29292921
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1052180421822796
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Projects in construction phase
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ProjectDescriptionDate passed design gateEstimated cost at design gate (£m)Estimated cost in performance plan May 2011 (£m)Estimated cost as at March 2012 (£m)Variance against design gate estimate (£m)Variance against design gate estimate (%)Variance against the performance plan estimated cost (£m)Total spend to March 2012 (£m)Planned delivery date at design gatePlanned delivery date in 2011 performance planEstimated delivery date as at March 2012Variance against delivery date at design gate (months)Variance against delivery date in 2011 performance plan (months)PBI fees paid in 2011-12 (£000s)
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Local sludge treatment plantConstruct storage tanks to hold radioactive sludge and a building to house them with settling plant*** utilities and ventilation equipment May 20063263633197063March 2008January 2012Delivered March 2012482570
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Buffer sludge packaging plantConstruct storage capability for radioactive sludge until it can be processed into a suitable waste form for final disposal.September 200610820223412611732172June 2008October 2013March 2014695700
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Encapsulated product storConstruct new store for intermediate-level radioactive waste from reprocessing and future hazard reduction programmes.October 200694103103910099September 2010August 2012November 20122630
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Magnox swarf storage silos retrievalsConstruct equipment and systems that can safely remove radioactive waste from a storage silo.March 200724342138714459-34167April 2015June 2023June 2023980700
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Separation area ventilationConstruct a 120 metre high chimney with associated plant room*** monitoring room and substation.August 2008144120138-6-418106August 2011January 2013November 20132710700
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Evaporator DConstruct a new evaporator to reduce the volume of highly active liquors (a by-product of reprocessing).April 200939739864124461243375July 2014May 2014December 20151619375
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Box transfer facilityConstruct a tunnel and associated mechanical devices to transport processed waste contained inside of 3m cubed boxes.December 201114815819345303540November 2018January 2017March 2017-2020
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Total116614651759593512941022264413045
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Summary for graph
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OriginalMay 2011March 2012
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Local sludge treatment plant326363
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Buffer sludge packaging plant108202234
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Encapsulated product stor94103103
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Magnox swarf storage silos retrievals243421387
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Separation area ventilation144120138
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Evaporator D397398641
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Box transfer facility148158193
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116614651759
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Original plan2011 plan2012 plan
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Local sludge treatment plant200820122012
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Buffer sludge packaging plant200820132014
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Encapsulated product stor201020122012
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Magnox swarf storage silos retrievals201520232023
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Separation area ventilation201120132013
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Evaporator D201420142015
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Box transfer facility201820172017
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Bulk sludge and fuel retrievals201220162016
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Pile fuel cladding silo201920172017
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Box encapsulation plant product stores comprehensive import/export facility201920172017
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Silos maintenance facility201120172017
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Silos direct encapsulation plant201820172017
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Ponds solid treatment plant technical underpinning project 201520152015
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Highly active liquor storage tanks20132018Cancelled
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Total Sellafield costsMarch 2009March 2012
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4767
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Decc budget
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Source: http://www.decc.gov.uk/en/content/cms/about/our_goals/our_goals.aspx
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Drive ambitious action on climate change£246
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Deliver secure low-carbon energy£2,644
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Manage nuclear energy legacy£2,592
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Save energy and support vulnerable consumers£469
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Other206
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Total£6,157
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Levelised cost of various energy sources
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Source: http://hmccc.s3.amazonaws.com/Renewables%20Review/MML%20final%20report%20for%20CCC%209%20may%202011.pdf
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Large onshore wind£ 83.00
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Small onshore wind£ 90.00
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Nuclear PWR£ 96.00
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Nuclear BWR£ 98.00
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Offshore wind£ 169.00
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Wave£ 368.00
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Solar PV roof£ 378.00
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