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Lagoon power plants unveiled

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Online Data Topic starter
United Kingdom Administrator
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This looks promising, simple but clever use of tidal power.

World's first lagoon power plants unveiled in UK
Posted March 02, 2015, 18:44:44 PM Logged

Offline Freddy
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That does look good. A big project but far more preferable than fracking or nuclear.
Posted March 02, 2015, 19:16:09 PM Logged

Offline DaveMorton
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Comfort the Disturbed! Disturb the Comfortable!

When people refer to "nuclear", they usually think of either fission or fusion (both of which are potentially disastrous if a failure occurs). However, there IS another option, and it's far safer, ~AND~ more efficient than either of the other 2 "nuclear" options. Ever hear of a Thorium reactor? Good stuff, and far superior to other methods, but because it's a type of "nuclear" reactor, people get frightened off from even considering it.

(note: a Thorium reactor is a type of Molten Salt Reactor, and as a design, shows great promise.)

Still, so long as it's designed and built responsibly, tidal power generation is a viable method of generating electricity (though it's not as "green" as some would think). Smiley

And you're right, Freddy. That structure is absolutely gorgeous. Cheesy
Posted March 02, 2015, 23:54:17 PM Logged
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Offline Freddy
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Had never heard of a Thorium reactor before, thanks for enlightening me Smiley
Posted March 03, 2015, 13:41:04 PM Logged

Offline DD1975
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Nice bit of education right there Dave, I'd heard of Thorium reactors before but wasn't sure of the specifics.

And Dave is quite correct, the Lagoon tidal option isn't as green as it could be which was the reason the Severn Barrage was rejected as it would have devastated the birdlife in the Severn estuary.

http://en.wikipedia.org/wiki/Severn_Barrage
Posted March 03, 2015, 16:13:55 PM Logged
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Offline Freddy
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Yep, the anglers are against it due to the fish not being able to get to their spawning site. I would have thought they could have made some channel or something so the fish can get past. Like they do with other constructions that interfere with the waterways. I think locks do things like this - eel ladders for example.
Posted March 03, 2015, 16:17:26 PM Logged

Offline DaveMorton
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Comfort the Disturbed! Disturb the Comfortable!

In the Pacific Northwest, mainly in the states of Oregon and Washington, many of the rivers that salmon use to spawn are also used to generate electricity, so the power companies have implemented "salmon ladders" to allow the fish to reach their spawning grounds. I suspect it's the same sort of thing as the eel ladders you mentioned, Freddy. Smiley

I don't see why something similar couldn't be used for the tidal generators, though I think the tech involved would likely be somewhat different, given the fact that the flow of water changes from in to out and back on a frequent basis.
Posted March 03, 2015, 16:44:04 PM Logged
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Offline Snowcrash
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It seems the fishy people are most against these tidal lagoons. It appears a big spinning blade underwater tends to mash fish. Fair point. Overall I feel it's a very good green tech. I hope it can be made more fish friendly as this seems to be it's only major hurdle, give or take funding.

Not seen much on Thorium reactors. Severely under funded due to not being able to make nuclear weapons from the by products. I would see that as a plus point when giving/selling the tech to other countries. Ah, the Human condition.
Posted March 04, 2015, 23:17:25 PM Logged
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