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[Big-chris]

I agree will the above and said it may years ago, the power of the sea will always be with us and tides predicted for centuries so could be harnessed in both directions, also fast flowing rivers must be a very easy source to harness with the technology we have today  the powers that be could even say after the floods hit again at least we had 10% rise in electricity generation because of the increase in water flow so we can sell the additional power generated and give the proceeds to the flood victims  like that would ever happen!!!

[Rog-from-Bix]

This is the future of nuclear
https://www.rolls-royce.com/media/our-stories/innovation/2017/smr.aspx#overview

[Malcolm R]

For me the most worthwhile investment path is in nuclear fusion. Although it's still not certain if it can work (I think), it's got a lot of potential and I would happily have a lot of money spent to try and figure it out

[Rog-from-Bix]

For me the most worthwhile investment path is in nuclear fusion. Although it's still not certain if it can work (I think), it's got a lot of potential and I would happily have a lot of money spent to try and figure it out

When I was a teenage nuclear fusion was 20 years away, I am now in my 50s and it is still 20 years away.

[Genem]

This is the future of nuclear
https://www.rolls-royce.com/media/our-stories/innovation/2017/smr.aspx#overview

All bar 2 of the UKs existing nuclear reactors are approaching "end of life" and I'll be driving past a number of small Royal Navy nuclear reactors on Saturday morning, just across the river from Edinburgh. They've been there a long time and there appears to be no plan at all for disposing of them. There are another bunch quietly rusting away at Devonport, with Plymouth next door. I'm pretty sure we should sort out how to dispose of these things safely first. In the 1980s they seriously suggested just sinking them off Skye. "Seabed Storage" it was called...

https://www.edinburghlive.co.uk/news/edinburgh-news/nuclear-graveyard-just-five-miles-19118105


 

[richardhula]

I watched a programme many many years ago which ran a competition to evaluate the best method of harvesting wave power and the upshot was that the reciprocal nature of wave motion combined with the amount of stone and debris that gets chucked around meant it is difficult to build a mechanism strong enough to withstand the pounding that it would get. I also remember something about an underwater water mill in the mouth of Strangford Loch, I’m not sure whether that was ever built or not but the complaints about it mainly revolved (sic) around the damage that would be inflicted on the passing wildlife.

Back in the 70's I worked on a TV programme covering a hydro electric power station in Scotland. One of their most labour intensive maintenance jobs was cleaning the finest of the weed screens there to protect fledgling salmon from entering the turbines. They experimented working without this level of screening altogether whilst monitoring salmon population downstream. They found near zero impact, just some very dizzy salmon maybe 

[Genem]

^^^^ Interesting, Torness power station, which uses sea water for cooling, has been closed down a number of times ( and I mean for weeks...) when the intakes were clogged by seaweed and on another by masses of jelly-fish.