and the new ones we are getting will make lots of money for mr burns (and probably for his political chums in some manner) .
most don't go bang but they dont usually make any real profit(green subsidy anybody) and at best the cost to tidily decommission eats the profit.
this is why so far the tidy up has been tax funded (and the profit goes to "new"players in the nuke game)as the original owners are often dissolved faster than a used fuel rod .