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Hydro Develops Floating Windmills for Deeper-Water Wind Farms
4 November 2005
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| Rendering of Hywind windmills. Click to enlarge. |
Hydro, the Norwegian energy and aluminum company, is developing floating windmills for offshore power generation. Using the same type of floating concrete structure technology applied in the North Sea oil industry for offshore rigs as a base, the Hywind systems are designed to work in sea depths of 200–700 meters (656–2,297 feet).
Hydro has measured wind speeds in the North Sea for more than 30 years. Based on data determining that average wind speeds at sea are higher than on land, Hywind will be exceptionally energy efficient.
Model testing is currently under way at the Norwegian R&D institute Sintef Marintek’s ocean basin laboratory in Trondheim.
Hywind is a future-oriented project combining our offshore oil industry experiences with our knowledge of wind power to take advantage of wind resources where it blows most: at sea. If we succeed, this can become an important part of our future energy supply
—Alexandra Bech Gjørv, Hydro’s director of new energy forms
Hydro is planning a demonstration project based on wind turbines with a power generation capacity of 3 megawatts (MW) to commence in 2007. The windmills will reach 80 meters above the sea’s surface and will have a rotor diameter of about 90 meters.
The company envisions future wind turbines with a power capacity of 5 MW and a rotor diameter of approximately 120 meters.
The future goal is to have large-scale offshore wind parks with up to 200 turbines capable of producing up to 4 terawatt hours (TWh) per year and delivering renewable electricity to both offshore and onshore activities. This goal is far in the future, but if we’re to succeed in 10-15 years, we have to start the work today.
—Alexandra Bech Gjørv
Hydro has invested some NOK 20 million (US$3 million) into developing the Hywind concept over the past three years. Further realization of research and the demonstration project will require at least another NOK 150 million (US$22.8 million).
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November 4, 2005 in Wind | Permalink | Comments (29) | TrackBack (3)
Comments
Posted by: amazingdrx | January 06, 2006 at 02:57 AM
"Floating platforms are also further offshore where NIMBYs will not see them. And placed in the path of pond net fishing fleets could save the national fisheries from this destructive industrial fishing that is scouring the seas of life..."
ROFLMAO ... First, the breathless hyperbole overstates the case so much much it detracts from the message. Second ... As if boats cant figure out how to go *around* these platforms... but it raises one interesting point. oil drilling platforms have been great places for congregations of sea life.
It may be possible that these wind platforms would also become areas of increased sea life.
Which gets back to another point ... if we can have windmills offshore with no problem, why not drill for natural gas offshore. No problems with that either. You've never heard of a natural gas spill. And if they get in the way of bad fishing habits, allsthe better.
Posted by: Patrick | January 08, 2006 at 12:36 PM
The guys at the BBC, as well as French news, have stumbled upon this plan. They will be miles offshore, and according to presentations, may be partly or completely out of sight. If successful, the North American Pacific coast from Californian Monterey to Alaskan Prince of Wales Islands are good candidates for a US/Canadian pilot project. So would the Great Lakes and off the US Northeast/Canadian Maritimes.
Posted by: allen Z | September 15, 2006 at 05:17 PM
we are one of the wind farmers in India. We would like to know the technical details of deep sea floating wind farms/machineries, generation, costing etc. Pls. update us by mail, if possible.
Posted by: PADMAJAN.P.K., | September 09, 2008 at 10:38 PM
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Hydro is a Norwegian energy and aluminum company. They are developing floating wind turbines that could be used in deep-water wind farms (depths between 200 and 700 meters (656 and 2,297 feet)). "The company envisions future wind turbines with a power ... [Read More]
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» Norway's Hydro Develops Floating Wind Turbines from Treehugger
Hydro is a Norwegian energy and aluminum company. They are developing floating wind turbines that could be used in deep-water wind farms (depths between 200 and 700 meters (656 and 2,297 feet)). "The company envisions future wind turbines with a power ... [Read More]
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These large floating platforms can have wave power generators built into the base in order to double the power output per platform. And tidal current generators extending below them.
For energy storage try this idea, electric plugin cars, trucks, trains, buses... as a national distributed battery. Each home or business with plugin vehicles would also have it's own emergency power ... grid outage due to increasing weather volatility is a very signifigant fact eroding economic health.
http://amazngdrx.blogharbor.com/blog/_archives/2005/12/19/1455214.html
Floating platforms are also further offshore where NIMBYs will not see them. And placed in the path of pond net fishing fleets could save the national fisheries from this destructive industrial fishing that is scouring the seas of life... killing off 1000s of species in order to harvest a few to extinction for short term bottonline considerations.
No other solution...negotiation, threats.. have been effective in stopping this grave threat to all ocean based life.
The more selective, careful fishing techniques of responsible fishermen, regulated by environmental laws, will then protect a stable, sustainable food resource.
These smaller operators are being shut out by the illegal pond net fishing.