As we are a learning organization, that event led all of us to examine and assess our defences at that time. One of the modifications in design that occurred at Pickering, where there were some issues around re-establishing class IV power to the grid to the Pickering plant, was the construction of an auxiliary power system. All the facilities now have secondary and tertiary electrical backups that can power the large pumps that essentially circulate cooling fluid. So very much so, that's part of the discussion we're having with the regulator and part of the review.
On March 24th, 2011. See this statement in context.