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.
Answered on
11 February 2015
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’.