Delta1938
True King of House of El
Originally posted by Sin I AM
Where?
Has he gone from powerless to powered? ACTION COMICS, I think #586(somewhere around there). He goes from having powers to losing them(we actually see he's unharmed by fire then suddenly burned) only to gain them back.
SUPERMAN/BATMAN ANNUAL #2(I think it was) where he was powerless for about a couple months, then had powers again when Batman was in danger.
In ACTION COMICS during the UP, UP AND AWAY storyline where he was powerless for a year after INFINITE CRISIS, then hints and showings that he partially regained his powers while being chased by a couple supervillains hired to kill Clark, and then when he's about to be hit by a train, well, he's fine and there's an indent where his hand was. Powers were not completely back, he could only jump for example, not fly. Then when facing a bunch of villains, his powers were restored more but still not fully. Then came back fully when Jimmy was in danger. Then he gained a new power.
Both Byrne(on his website's message board) and Joe Casey(CBR interview I think it was) have stated his powers being dependent on his mind(Casey didn't say solely on his mind, but about even on solar energy and his mind).