We really can't say that AECL is the only one that screws up. Areva must be a proud member of that club! Their flagship plant in Finland is delayed another big hunk. At the current rate of delays, it will never get built!
I don't think there are any companies left that don't have screw-ups, since most of the US companies have ties to Japan, and they haven't really built much recently. So, we really can't discriminate against the screw-ups, or we'll have nobody left!
Our big problem is that we want large plants, and there is not a lot of good experience in that regard. The old US light-water plants are too small, since they have origins in the US nuclear submarine business. Scaling up reactors is a tricky business, as we well know.
I'm still 100% for nuclear (Warning: Sound Bite!). GE should buy AECL, and we'll go with their nuclear plant, built by Bruce Nuclear at the Wesleyville site. Of course, that makes too much sense, so you know what we'll end up with.