** FILE ** Backdropped by the dome of the nuclear reactor of the Sizewell nuclear plant, commissioned in 1995, workers perform their duties in eastern England in this Monday, June 5, 2006, photo. EU Energy Commissioner Guenther Oettinger says the cost of necessary improvements at the 145 nuclear reactors in the 27-nation European Union could be as high as 25 billion euros ($32 billion) over the coming years. (AP Photo/Lefteris Pitarakis)

Photo by: LEFTERIS PITARAKIS

** FILE ** Backdropped by the dome of the nuclear reactor of the Sizewell nuclear plant, commissioned in 1995, workers perform their duties in eastern England in this Monday, June 5, 2006, photo. EU Energy Commissioner Guenther Oettinger says the cost of necessary improvements at the 145 nuclear reactors in the 27-nation European Union could be as high as 25 billion euros ($32 billion) over the coming years. (AP Photo/Lefteris Pitarakis)