The Telegraph reports that new technology could enable nuclear power plants to undercut the costs of even coal-fired power stations in the not too distant future.
The cost of conventional nuclear power has spiralled to levels that can no longer be justified. All the reactors being built across the world are variants of mid-20th century technology, inherently dirty and dangerous, requiring exorbitant safety controls.
This is a failure of wit and will. Scientists in Britain, France, Canada, the US, China and Japan have already designed better reactors based on molten salt technology that promise to slash costs by half or more, and may even undercut coal. They are much safer, and consume nuclear waste rather than creating more. What stands in the way is a fortress of vested interests.
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We have reached the end of the road for pressurised water reactors of any kind, whatever new features they boast. The business is not viable - even leaving aside the clean-up costs - and it makes little sense to persist in building them. A report by UBS said the latest reactors will be obsolete by within 10 to 20 years, yet Britain is locking in prices until 2060.
The Alvin Weinberg Foundation in London is tracking seven proposals across the world for molten salt reactors (MSRs) rather than relying on solid uranium fuel. Unlike conventional reactors, these operate at atmospheric pressure. They do not need vast reinforced domes. There is no risk of blowing off the top.
The reactors are more efficient. They burn up 30 times as much of the nuclear fuel and can run off spent fuel. The molten salt is inert so that even if there is a leak, it cools and solidifies. The fission process stops automatically in an accident. There can be no chain-reaction, and therefore no possible disaster along the lines of Chernobyl or Fukushima. That at least is the claim.
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It would be hard to argue that any one of the molten salt technologies would be more expensive than arrays of wind turbines in the Atlantic. Indeed, there is a high likelihood that the best will prove massively cheaply on a kW/hour basis.
There's more at the link.
Back in 2011 I wrote about progress being made with thorium reactors. It looks like things are moving right along in that field, and others too. Our children may be very grateful for that one day.