Mr Hammond insisted the risks associated with the F35-B were "dramatically different now" to what they were in 2010 when there was a possibility it would be cancelled duetotechnicalproblems.
The seven non-operational plants are the old reactors taken offline in the wake of Fukushima, and one is the Kruemmel plant in northern Germany, which has been mothballed for years duetotechnicalproblems.
Either of these plans would greatly increase Trident II costs, lengthen the time it would take to reach full operational capability and compound the ever-present risks of technicalproblemsdueto programmatic dislocations.