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Solar modules deployed in France in 1992 still provide 75.9% of original output power
(www.pv-magazine.com)
This is a most excellent place for technology news and articles.
I don't think solution for storage would be a problem if politicians had more of a backbone with deciding a place for storage, and I frankly don't see a future without fossil fuels where nuclear doesn't play a key role. All of the US' nuclear waste could fit on a football field 3 meters tall. We got space for it.
As for energy security. Canada is a massive producer, and NexGen Energy is sitting on a massive deposit. Most utilities store ~4 years of material on site, and the fact it's so easily stored for many years is why Japan invested heavily in it in all those years ago. I don't think access to uranium is much of a concern.
I think the anti-nuclear idiots are, well, idiots, but I disagree with you here. I think the idiots have successfully blocked nuclear long enough that it's just more economical to go full renewable + storage. Yeah, we should have had nuclear 50 years ago and would probably be looking at a much more habitable planet, I fully agree. But I think the ship has sailed.