"The estimated cost of running and cleaning up the site have soared. Sellafield is so expensive to maintain that it is considered a fiscal risk by budgetary officials. The latest estimate for cleaning up the Britain’s nuclear sites is £263bn, of which Sellafield is by far the biggest proportion. However, adjustments to its treatments in accounts can move the dial by more than £100bn, more than the UK’s entire annual deficit. The cost of decommissioning the site is a growing liability that does not count towards the calculation of the UK’s net debt."
Frightening on many dimensions