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Energy Net

Technology Spotlight: Wind Turbines - Renewable Energy World - 0 views

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    At the recently held EWEC 2009 wind energy conference and exhibition most exhibitors agreed that while there has been a substantial business slowdown due to problems linked to obtaining wind project financing, an upturn in demand during the second half of 2009 is beginning to play out, at least in the U.S. Other exhibitors, on the other hand, were a bit more cautious pointing out that substantial numbers of unsold turbines from framework contracts failing to secure project finance are now floating on the wind market. Most interesting from a wind technology point of view is the V112-3.0MW switch away from a compact V90-3.0MW integrated gearbox and main bearing assembly to a 3-point gearbox support. The application of a permanent magnet (PM) type generator with full converter system in the V112-3.0MW is new for Vestas but not for the wind industry. New Technology Trends In what many wind industry insiders consider a major development trend, French aerospace companies EADS Astrium & EADS Composite Aquitaine announced their formal entrance into the wind industry. The French companies offer the wind industry advanced composite materials engineering, manufacturing and related know-how as well as rotor-blade manufacturing capacity.
Energy Net

Europe's Largest Onshore Wind Farm Switched on in Scotland - 0 views

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    Renewable Energy World has a report on a new Scottish wind farm - Europe's Largest Onshore Wind Farm Is Switched on in Scotland. Today, the final phase of Europe's largest onshore wind farm is being turned on in Scotland. The 322-megawatt (MW), 140-turbine Whitelee wind farm was built by ScottishPower Renewables, which is part of the Spanish power business Iberdrola. In Spain and internationally, the Iberdrola Group, is the world's largest developer of wind power, with nearly 9700 MW of installed capacity. The wind farm uses Siemens 2.3-MW machines. Positioned 370 meters (1200 feet) above sea level, 15 kilometers (9 miles) outside of Scotland's largest city, Glasgow, the new wind farm has over half a million people living within a 30-km radius of it. It's one of the first large-scale wind farms to be constructed close to a large population center. The first phase of the wind farm started feeding power into the grid in January 2008.
Energy Net

ENN - Small Wind Beginning to Make a Big Difference - 0 views

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    The U.S. market for small wind turbines grew 78% last year, highlighting heightened interest in, demand for, and use of distributed alternative and renewable power systems. A total 17.3 megawatts worth of new small wind turbines--defined as wind turbines with generation capacities of 100 kilowatts and less--was installed in 2009, according to a report by the American Wind Energy Association released May 28. "Consumers are looking for affordable ways to improve their energy security and reduce their personal carbon footprint," said Ron Stimmel, AWEA's Small Wind Advocate. "Small wind technology can be an answer to that search. As government policies have caught up with consumer interest, we're seeing people all across the U.S. take advantage of this abundant, domestic natural resource and U.S. manufacturers have been able to meet this increasing demand."
Energy Net

Peak Energy: Tidal power gets a boost from propeller and wind turbine techonology - 0 views

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    The Guardian has a report on some new tidal power technology from a company in Wales inspired by ship propellers and wind turbines - Tidal power gets a boost from propeller and wind turbine techonology. Propellers on ships have been tried and tested for centuries in the rough and unforgiving environment of the sea: now this long-proven technology will be used in reverse to harness clean energy from the UK's powerful tides. The tides that surge around the UK's coasts could provide up to a quarter of the nation's electricity, without any carbon emissions. But life in the stormy seas is harsh and existing equipment - long-bladed underwater wind turbines - is prone to failure.A Welsh renewable energy company has teamed up with ship propulsion experts to design a new marine turbine which they believe is far more robust.
Energy Net

Peak Energy: Wind power could meet all US electricity needs - 0 views

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    The LA Times has an article on a new report noting that wind power could meet the entire electricity demand in the US - Wind turbines could more than meet U.S. electricity needs, report says. Wind turbines off U.S. coastlines could potentially supply more than enough electricity to meet the nation's current demand, the Interior Department reported Thursday. Simply harnessing the wind in relatively shallow waters -- the most accessible and technically feasible sites for offshore turbines -- could produce at least 20% of the power demand for most coastal states, Interior Secretary Ken Salazar said, unveiling a report by the Minerals Management Service that details the potential for oil, gas and renewable development on the outer continental shelf. The biggest wind potential lies off the nation's Atlantic coast, which the Interior report estimates could produce 1,000 gigawatts of electricity -- enough to meet a quarter of the national demand.
Energy Net

WindFarm Estinnes Takes Wind Power to a New Scale - Renewable Energy World - 0 views

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    At the end of May, Renewable Energy World's Eize de Vries was invited to Belgium to view the construction of a wind farm that may be providing a view of the future. And a genuine wind industry innovation, Eize de Vries reports, is that the advanced E-126 built-in power electronics will actively contribute towards stabilizing the transmission grid voltage within the entire region. WindFarm Estinnes S.A. is an onshore wind farm that will comprise eleven of the latest generation of Enercon's E-126 direct drive wind turbines, a machine currently rated at 6 megawatts. Each E-126 has a 127-metre rotor diameter - combined with the 135-metre the turbine has a total 198.5 metre installation height. WindVision's Estinnes is expected to generate at least 187,000 MWh per year. And a genuine wind industry innovation, Eize de Vries reports, is that the advanced E-126 built-in power electronics will actively contribute towards stabilizing the transmission grid voltage within the entire region.
Energy Net

Peak Energy: Home Wind Turbines - 0 views

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    TreeHugger has a post on micro-wind power devices for the home - Hot Home Wind Turbines You Can Actually Buy, Plus One You Wish You Could. Though solar panels definitely hog the renewable energy stage when it comes to home installations, a number of new, innovative wind turbines have entered the market in the past couple of months. Not all of these are intended to be mounted on your roof, some you'll need a bit of a yard (and a dearth of neighbors) to install and they vary in price from affordable to "when am I going to actually pay this off?", but they all go to show that there's more than one way to harness the wind to generate electricity. Check 'em out...
Energy Net

Five metro cities erecting wind-power turbines | StarTribune.com - 1 views

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    Despite some naysayers, wind power turbines are being erected in five cities in the metro area; Anoka's is near the high school. Wind power turbines are going up in five metro cities, with Anoka set to get one on Monday, as a multi-city consortium moves forward with plans to use recycled windmills to generate renewable energy.
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    Despite some naysayers, wind power turbines are being erected in five cities in the metro area; Anoka's is near the high school. Wind power turbines are going up in five metro cities, with Anoka set to get one on Monday, as a multi-city consortium moves forward with plans to use recycled windmills to generate renewable energy.
xlisa123

polo ralph lauren sale The research - 0 views

The oxygen is released into the air, and the lithium ions are stored in the battery as lithium metal after capturing the electrons.When the battery discharges, it chemically consumes oxygen from th...

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Energy Net

REpower To Unveil 6.1-MW Wind Turbine - Renewable Energy World - 0 views

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    In addition to the its 5M wind turbine series that is currently in production, REpower now has the most powerful wind turbine in the world in its portfolio. Development of the REpower 6M turbine series will be unveiled at the Hanover Trade Fair this week. REpower said that the rated electrical power of the units is 6.15 megawatts (MW).
Energy Net

Number of wind turbines to quadruple under Renewable Energy Strategy - Times Online - 0 views

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    The number of wind turbines is set to quadruple over the next decade under government plans to force through wind farm planning applications. Ministers have put wind power at the heart of a Renewable Energy Strategy, which is due to be released on Wednesday. It will outline how Britain is to meet its target of a 34 per cent cut in CO2 emissions by 2020.
Energy Net

Boomtown Bremerhaven: The Offshore Wind Industry Success Story - Renewable Energy World - 0 views

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    Formerly a region of high-unemployment, the German port of Bremerhaven has experienced a remarkable economic upturn, transforming into a major offshore wind power know-how centre and more. At least four of Germany's North Sea and Baltic Sea major ports have been transformed into the country's main wind industry logistical centres and/or equipment manufacturing/supply bases during the past few years. 'Of the €500 million invested for offshore wind power development along the German North Sea coastal region during the past years, about half came to Bremerhaven.' -- Jan Rispens, Managing Director, Windenergie Agentur Bremerhaven/Bremen (WAB) Emden serves as a main export harbour for Enercon wind turbines, and the German market leader operates a large concrete tower manufacturing plant within Emden's boundaries. BARD Engineering chose Emden as its offshore wind turbine assembly and rotor blade manufacturing location, while part of BARD's Tripile offshore foundations are being manufactured by a subsidiary company in Cuxhaven. Both BARD and Enercon have, in addition, built a foundry in the region, aimed at providing at least part of their individual demand for heavy-cast components.
Energy Net

China's Big Push for Renewable Energy: Scientific American - 0 views

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    Winds rush through the capital city of China, blowing dust storms that envelop it in grit from the encroaching Gobi Desert each spring. Last year, the government finally took advantage of those winds, installing 33 wind turbines manufactured by domestic company Xinjiang Gold Wind at the Guanting wind power field to harvest this energy and use it to supplement the electricity provided by polluting coal. Those suburban turbines began turning in earnest on January 20, providing 35 million kilowatt-hours of electricity to Beijing through July, or roughly 300,000 kilowatt-hours a day.
xowen11158

polo ralph lauren sale This type - 0 views

This partnership on renewables is one more step in our journey." Building on DuPont's strategic advantages in agriculture, biotechnology and processing technology, the commercial-scalability of cel...

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Energy Net

The Nature Conservancy in Montana - Making Wind Energy Safe for Wildlife - 0 views

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    Scientists at The Nature Conservancy in Montana have completed the first analysis of where wind generation facilities can be located with minimal risk to the state's wildlife and the environment. Wind provides great promise for a clean and renewable source of energy, but each year wind generation facilities kill tens of thousands of birds and important pollinators such as bats. . And yet, wind energy development has moved forward with very little science-based analysis that might help prevent this kind of environmental harm. The impacts of wind generation are greater than just the immediate airspace. Most turbines take up 40-100 acres of land, so large-scale wind farms can span thousands of acres. Each facility also requires roads and transmission corridors.
Energy Net

Apartment Therapy Unplugged | Philippe Starck's Designer Wind Turbine - 0 views

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    We know what's really been holding you back from building a wind energy farm in your backyard is the fact that turbines clash with the rest of your décor. Well, Philippe Starck is here to rescue the renewable energy industry with his Democratic Ecology. The transparent mini-turbine, which comes out in September, can generate 20-60 percent of the energy needed to power a home for $633. Pramac, a company better known for oil and diesel generators, helped out with the technical details.
Energy Net

Time to try renewable energy - Business - News & Observer - 0 views

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    The article "Renewable energy potential" (Work&Money, Editor's Choice, June 7) provided interesting and useful information. Now it is time to begin to use more renewable energy in North Carolina. One of our electric utility companies should develop a pilot project in one of the high-wind areas off the North Carolina coast. This energy could be used to provide some power to Elizabeth City, Manteo or any other city located on the northern part of our coast. Our electric utility companies have many intelligent engineers who could use new technology to build wind turbines that can withstand strong storms. If other states in the Northeast can build wind farms off their coasts, then North Carolina can surely do the same.
Energy Net

Sweden plans 2,000 wind turbines - The Local - 4 views

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    "The Swedish government has announced plans for the construction of 2,000 wind turbines over the next ten years, writes enterprise minister Maud Olofsson in an opinion article in Dagens Nyheter on Tuesday. The goal is to increase electricity production from renewable energy sources by 25 terawatt hours by 2020. This can be compared with a total electricity production from Swedish nuclear power in 2009 of around 50 terawatt hours."
Energy Net

BTM Forecasts 340-GW of Wind Energy by 2013 - Renewable Energy World - 0 views

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    BTM Consult has released its 14th annual update on the status of the international wind power industry. According to the reports, 2008 saw the highest ever level of wind turbine installations. With 28,190 megawatts (MW) of new capacity installed, the growth rate was 42% compared with 2007, resulting in a cumulative worldwide total of 122,000 MW. Although it will be impacted by the current economic crisis in 2009 and 2010, the future looks bright for the wind power industry, BTM said. The report's five year forecast up to 2013 projects significant growth. Over the past five years the average growth in annual new installations has been 27.6 % per year. In the forecast up to 2013 an average annual growth rate of 15.7 % per year is expected. More than 200 GW of new wind power capacity could come on line before the end of 2013.
Energy Net

UK's London Array Given Green Light - Renewable Energy World - 0 views

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    DONG Energy, E.ON and Masdar have announced that they will invest EUR 2.2 billion (US $3 billion) in building the first 630-megawatt (MW) phase of the London Array offshore wind farm in England's Thames Estuary. The wind farm is set to be build the world's largest offshore wind farm. The consortium hopes the first phase of 630 MW will be completed and generating in 2012. The first phase will consist of 175 turbines. The announcement comes after the UK Government's recent proposal to increase its support for offshore wind power. The partners are satisfied that the project is now financially viable and are now keen to push ahead with construction and to produce the first renewable power in 2012. Onshore work is now due to start in the summer, with offshore work due to start in early 2011.
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