Decommissioned Nuclear-Powered Submarines

Lord Wigley Excerpts

Wednesday 23rd October 2024 Lords Chamber

[Lord Coaker (Lab)]

I pay tribute to the work that the noble Baroness did to try to speed up some of these processes. She asked two very pertinent questions. For “Swiftsure”, we retained the 90% recycling target. She will know that once a decommissioned submarine such as “Swiftsure” is defueled, there is an initial phase that takes the nuclear material out. Then there is an intermediate phase, which is followed by dry-docking—which is where “Swiftsure” is—for the rest of the submarine to be recycled. We expect 90% of that to be recycled. The whole point of “Swiftsure” is that it acts as a demonstrator project so that we can learn from how that was done—what worked and what perhaps could have been improved—and then apply that to all the other submarines that have been decommissioned.

[Lord Wigley (PC)]

Does the Minister recall the late, great Sir John Houghton, who identified the dangers of global warming several decades ago? As an eminent scientist, he identified the potential to generate electricity by reworking some of the nuclear waste that comes from not only submarines but other parts of the Armed Forces. Are the Government investigating that aspect?

[Lord Coaker (Lab)]

No, we are not investigating that for nuclear submarines. The MoD takes climate change very seriously, and I have recently signed off a submission about fuel and its better economic use with respect to climate change. Right across the MoD, climate change is taken seriously, but on the noble Lord’s specific question about decommissioning nuclear submarines, there is no intention to use them, for example, to go into the grid.