I think we probably have to do both. Certainly if you're talking about a new nuclear plant, you're right, with the regulatory process and the construction process, I think the earliest you could bring a new reactor on stream would be probably 2015 or 2016. The refurbishments are happening now, and of course, there's a much tighter timeframe on those projects. They are expected to come on stream in 2009, 2010, or 2011, that time period, which can be quite helpful in near-term reductions in greenhouse gases.
I guess the other dimension of this is just that in the day-to-day, to the extent we can keep the current plants operating efficiently, which has happened recently—the plants in Ontario, after some years of difficulty, are performing quite well now—the more juice you get out of your nuclear plants, the less you have to burn coal in provinces such as Ontario and New Brunswick. So that can be helpful as well.
The reason I say “both” is that if you look at Ontario, for example, which is the key market, they are certainly looking very seriously at refurbishments. There are already two done at Bruce and one at Pickering, and another two at Pickering that are under review. But even with all these refurbishments foreseen, Ontario believes it needs at least 1,000 megawatts of new nuclear, and I think some of the utilities actually think they're going to need more than that, which is why both Ontario Power Generation and Bruce have, on the drawing boards, construction of the four stations.