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Environmental concerns and the escalating cost of oil worldwide has resulted in huge gains in the various fields of "alternative" energy production. People are proposing to extract power from just about every natural force on the planet, and, while wind has been getting much of the buzz lately, an upcoming installation in South Korea promises to power 200,000 homes from sea currents.
The plan entails sinking 300 60-foot-high turbines off the coast, deep enough where they won't be able to be struck by ships and in a place where the swelling and reclining tides will spin their blades. Tests are beginning early next year with a single turbine, but it's not expected that the other 299 will be fully up to speed until around 2015.
If all goes well, this could certainly provide an alternative to the controversial plans for putting in wind turbines off the coast of Cape Cod. These turbines would be completely hidden under-water, but we can't help but wonder just what would happen to any fish unlucky enough to get sucked through one ...
From Newsvine and The Telegraph
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Comments
4
Subscribe to commentskrashworksMar 17th 2008 5:40PM
Great idea but the last comment points out the problem we face today. At some level, everything will have some kind fo impact on something. This may puree a fish now and then, a wind farm may dice a bird here and there....and so on and so on. The issue then becomes what provides the biggest bang for the buck (and impact). Oil, Nat Gas, Coal and Nuclear, for all their faults, have been proven to deliver the most engery at the lowest cost. And every time someone says we are running out of oil (or coal or gas, etc) there comes along a report about a new discovery of the "largest oil deposit anywhere in history". Look for new energy sources, absolutely, but drill everywhere right now and that will bring the world economy into line very quickly (and will solve many global disputes as well, without firing a shot).
D MMar 18th 2008 3:13AM
A fish would only be "sucked through" a powered device. This turbine won't be sucking anything, but will rather move in proportion to the water movement already taking place. The only potential harm to a fish would be if it were to swim headfirst into part of the turbine, only slightly more likely than it swimming into a stationary object, or another fish.
LBillsMar 18th 2008 6:08AM
I would like to know the name of the company that made the technology.
Richard BallardMar 18th 2008 7:16AM
Turbines powered by sea currents are not tidally powered. Sea currents are continuous and offer a continuous potential power source (like a waterfall). The tides are cyclic; tides go in and out, and there are time periods where no tidal action occurs. (Unlike sea currents) A system utilizing tidal power must provide auxiliary power sources during between-tidal-action periods. (Continuous) Sea current power is superior to tidal power, but costs more.