Nuclear Power Stations: Decommissioning

Department for Energy and Climate Change written question – answered on 11th February 2015.

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Photo of Lord Wigley Lord Wigley Plaid Cymru

To ask Her Majesty’s Government how many nuclear power stations have been fully decommissioned since the nuclear power programme was established; which power stations are currently being decommissioned; on which date the decommissioning commenced; on which date it is anticipated that decommissioning will be concluded; and what is the estimated cost of the decommissioning of each of those stations.

Photo of Baroness Verma Baroness Verma The Parliamentary Under-Secretary of State for Energy and Climate Change

No UK nuclear power stations have yet been fully decommissioned. The table below sets out the power stations currently being decommissioned; the date on which decommissioning commenced and is anticipated to be concluded; and the estimated lifetime cost.

Nuclear power station

Decommissioning start date

Decommissioning end date (expected)

Estimated lifetime cost (£m, discounted)

Berkeley

1989

2079

639

Bradwell

2002

2092

336

Chapelcross

2004

2095

697

Dungeness A

2006

2097

567

Hinkley Point A

2000

2090

706

Hunterston A

1990

2080

650

Oldbury

2012

2101

927

Sizewell A

2007

2097

764

Trawsfynydd

1993

2083

557

Calder

2003

2115

386

Windscale (Piles 1&2)

1957

2050

895

Decommissioning is also underway on research reactors at Dounreay, Harwell and Winfrith; these are not normally considered ‘power stations’.

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