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THE Offshore Wind Thread (merged)

Discussions of conventional and alternative energy production technologies.

Re: THE Offshore Wind Thread (merged)

Unread postby Graeme » Tue 13 Jan 2015, 15:29:42

US Offshore Wind Energy Potential Is Staggering

The Lake Erie Energy Development Corporation recently wrote a piece highlighting the potential for offshore wind development in the US, specifically, in the midwest: The simple message? “The potential for offshore wind power generation in the U.S. is staggering.”

And the figures presented in the opening paragraph back this up: The US has a projected 4,223 GW worth of offshore wind generating potential — with 50 GW from the Ohio waters of Lake Erie alone.

The Lake Erie Energy Development Corporation was founded in 2009 to initially build wind turbines in Lake Erie, before desiring to turn its attention towards stimulating “an entire offshore freshwater wind industry.” And they make a strong case: As they write, “offshore wind offers a viable, untapped opportunity for large-scale clean energy projects that produce zero emissions in operation, consume no water, and displace the generation from some of our nation’s dirtiest power plants.”

But as Lake Erie notes, “the U.S. lags woefully behind the rest of the world in offshore wind power generation.”

One need only cast their eyes over the last few months of offshore wind energy news here at CleanTechnica, to see how thoroughly Europe figures in the industry. Danish juggernaut DONG Energy alone claims to have built more offshore wind farms than any other company worldwide, and a quick look at its installations show these clumped heavily in the west of Europe.

Lake Erie claims that Europe has at least 80 offshore projects in operation or under construction, compared to the US, where “offshore wind development is in its infant stages”.


cleantechnica

Five innovations that could cut the cost of offshore wind

The expense is largely down to the difficulty of installing and maintaining large wind turbines able to withstand the elements.

This week the Royal Society has published a special journal issue devoted to offshore innovation. It has 16 papers covering everything from designing better turbines using computers and miniature models to cutting the cost of installation and maintenance through remote sensing. Here are five ideas from the special issue that caught our eye.

Screw-in turbine foundations
Good vibrations
Tiny models
Vertical axis floating turbines
Machine learning


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Re: THE Offshore Wind Thread (merged)

Unread postby lpetrich » Sat 07 Feb 2015, 13:06:19

DONG Energy - Wikipedia explains the source of that company's name: the acronym of Dansk Olie og Naturgas (Danish Oil and Natural Gas).

Another Legal Victory for America’s First Offshore Wind Project - rather difficult for me to think of a good summary of that latest round of litigation.

Cape Wind Project Status & Timeline | Cape Wind
Cape Wind is currently in its financing and final commercial contracting stage. Cape Wind will complete its financing soon and construction will begin in 2015.

This year. Let's see if it does so.
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Re: THE Offshore Wind Thread (merged)

Unread postby ROCKMAN » Sat 07 Feb 2015, 15:09:36

And here's the question of the day: why not build onshore wind farms along the shoreline for a fraction of the cost instead? Same wind blowing as out over the water. Could it be for the same reason offshore east coast wind farms have been delayed for many years and why much of the EU wind power is generated offshore: NYMBYism. Texas built the first offshore wind test facility in the country despite the press touting east coast progress...progress that as of yet does not include even one offshore turbine.

And thanks to Texas developing more wind power then the next two states combined and providing the cheapest alternative energy in the country the plans for Texas offshore wind have been put on hold. Turns out that even though we can build such offshore farms cheaper than any other state (thanks to the oil patch infrastructure and virtually no NYMBYism from our coastal residents) they still can't compete with our onshore wind projects.

Thanks to cheaper electricity and NG a number of European manufacturers are relocating to S Texas. Just as a great many other businesses have relocated here.
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Can Deep Water Wind Farms Power The World?

Unread postby AdamB » Fri 13 Oct 2017, 22:34:05


Far out to sea, amid the crashing waves of the North Atlantic, there’s a fortune to be made. According to new research, deep water wind farms could produce enough energy to meet all existing and future electricity demand, if properly harnessed. In a study published on October 9 by researchers at the Carnegie Institution for Science and Stanford University, it’s estimated that deep water offshore turbines could produce three to five times as much energy as land-based turbines, due to the higher speeds and consistent force of the wind at sea. One ‘small’ wind farm, covering 70 thousand square kilometers, could provide enough electricity to power the entire United States for ten years, according to the study. A major factor in generating wind power is the movement of energy from higher in the atmosphere to the surface, where the turbines can transform it ...


"Can Deep Water Wind Farms Power the World"
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Re: Can Deep Water Wind Farms Power The World?

Unread postby cephalotus » Fri 20 Oct 2017, 06:13:19

Offshore wind in Germany (not incl. grid connection) is already cost competitive to our (low) energy Prices on the electricity market.

Last call for tender ended with two large bidders offering subsidiues of 0.0ct/kWh

There are already 4.83 Gigawatt of offshore wind power in Germany installed and running and many more Gigawatt are planned. Most of offshore wind in Germany is "deep water", because the shallow water (Wattenmeer) is a protected ecosystem.

List of offshore Windparks worldwide:

https://de.wikipedia.org/wiki/Liste_der ... -Windparks

Problem in many regions could be major hurricans. Those parks are not decentralised power, so usually all of them will be destroyed at once and it will be neither easy nor quick to repair or rebuild them.
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Re: Can Deep Water Wind Farms Power The World?

Unread postby StarvingLion » Fri 20 Oct 2017, 20:26:44

You mean that's all it takes to get rich?

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New wind farm in service off the British coast

Unread postby AdamB » Thu 30 Nov 2017, 22:51:20


Norwegian energy company Statoil said Wednesday its Dudgeon wind farm off the British coast is now feeding the grid from its 67 wind turbines. The Dudgeon wind farm is about 25 miles off the coast of Norfolk. Its turbines, with a combined capacity of 402 megawatts, can meet the energy demands of around 410,000 average households at its peak. The Norwegian company, one of the main energy suppliers to the European market, said Dudgeon is part of its efforts to add more green components to its portfolio. "As part of our strategy to develop from an oil and gas company to a broad energy major, Statoil will grow significantly in profitable renewable energy, with an ambition to invest around $12 billion towards 2030," CEO Eldar Sætre said in a statement. Statoil placed the last of the 67 turbines at the Dudgeon wind farm


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