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Latest Questions - Onshore Wind
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Most of the renewable energy initiatives have huge capital investment and long gestation time than conventional modes. This effectively shunts away most of people to use these alternative methods.
Does providing govt subsidy is the only way to make people to use these technologies ?
Any comments...in Biomass Power Production Solar PV Onshore Wind Regulations, Policies and Incentives
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Narsi wants to know Are 15 MW wind turbines possible? 10 months ago
This was a recent news item I came across:
"GE begins research on 10-15 MW wind turbine
US electronics giant General Electric (GE) has begun research on a two-year, $3m project to develop wind turbines with a capacity of 10MW to 15MW.
The company said it will aim to utilise its experience in the healthcare sector of using magnetic resonance imaging (MRI) systems to develop an advanced generator based on superconducting magnets. Traditional turbines use generators that are connected to a gearbox to produce power but when scaled up this technology becomes uneconomical because of the additional weight and maintenance requirements..."
Source: http://www.newenergyworldnetwork.com/investor-news/renewable-energy-news/by-technology/wind/ge-begins-research-on-10-15mw-wind-turbine.html
15 MW! Is it possible for wind turbines of such massive sizes to work efficiently, without too many breakdowns and maintenance problems? And while on this, is there some kind of a theoretical limit on the size of the wind energy generator beyond which it could not work at all?in Onshore Wind
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Narsi wants to know Utilizing Hurricanes for Wind Power - Turbines Working at Very High Wind Speeds 10 months ago
I was reading about hurricane Irene that is lashing United States, and wondered: How can this problem be turned into an opportunity? Imagine the amount of energy that could be generated from such tremendous speeds.
But we all know it is right now ridiculous to think that wind turbines could actually operate, leave alone optimally, at such high speeds. Even if it produces power, I doubt the evacuation facilities will be stable enough during hurricanes to handle it.
Is it possible for some technology breakthrough to turn this problem into an opportunity?in Onshore Wind
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Narsi posted a question Wind Energy Capacity Utilization Factor 1 year ago
The general industry benchmarks for capacity utilization factor for wind energy is about 25%, but this varies widely from region to region. Can someone tell me what are the best CUFs that have been achieved anywhere for wind? And the lowest consistent CUFs?
in Onshore Wind
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BTW, one of my colleagues in the wind industry was saying there are small regions in the Tamil Nadu, a southern state in India, where onshore wind CUF could be as high as 37%...I have not double checked this, but am wondering if such high CUFs on land are possible, even if only in select areas...
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Wont this be more useful for power generation from waves?
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Narsi wants to know Small Wind CUF 10 months ago
What are the best capacity utilization factors recorded ever for small wind turbines (say 5-20 kW)?
in Onshore Wind
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Latest Discussions - Onshore Wind
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Arunpillai wants to discuss Renewables M&A Hits New Record Highs 4 months ago
Deals for 'new generation' renewable technologies – wind, solar, biomass - are entering the big time driving the market to new record highs, reports PwC in its annual global analysis of merger and acquisition (M&A) transactions in the renewable sector.
Some of the main points include:
• Total renewables deal value leaps 40% worldwide, driven by industry shake-out
• Reappraisal of nuclear post Fukushima gives extra boost to renewables' generation and prospects
Read More: http://press.pwc.com/GLOBAL/News-releases/renewables-ma-hits-new-record-highs/s/ce2bd04f-23cb-493e-b5c9-7813bb13423ein Solar PV Solar Thermal Onshore Wind Offshore Wind Cleantech Venture Capital and Private Equity Cleantech Careers and Jobs
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Kyzyl wants to discuss Power generation is blowing in the wind 5 months ago
Power generation is blowing in the wind - https://www.llnl.gov/news/newsreleases/2012/Jan/NR-12-01-03.html
in Onshore Wind
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Kyzyl wants to discuss Kenya’s Lake Turkana Wind project receives approval after delays | SmartPlanet 5 months ago
Kenya’s delayed Lake Turkana Wind project is predicted to begin in April 2012, improving stable energy resources to the country. - http://www.smartplanet.com/blog/smart-takes/kenyas-lake-turkana-wind-project-receives-approval-after-delays/21139?tag=nl.e660
in Onshore Wind
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Kyzyl wants to discuss DOE Report: Wind Turbine Makers to See Critical Rare Earth Metal Supply Disruptions :: POWER Magazine 6 months ago
A report released on Thursday by the Department of Energy (DOE) examining the role that rare earth metals play in the manufacture of wind turbines, electric vehicles, and photovoltaic (PV) thin-film solar cells finds that these clean energy technologies may see supply disruptions for five rare earth metals (dysprosium, neodymium, terbium, europium, and yttrium) in the short term, though risks will generally decrease in the medium and long term. - http://www.powermag.com/POWERnews/4279.html?hq_e=el
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Kyzyl wants to discuss One Per Cent: Why did a Scottish wind turbine explode in high winds? 6 months ago
One Per Cent: Why did a Scottish wind turbine explode in high winds? - http://www.newscientist.com/blogs/onepercent/2011/12/why-did-a-wind-turbine-self-co.html
in Onshore Wind
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Kyzyl wants to discuss Lawrence Livermore ramps up wind energy research 6 months ago
Lawrence Livermore ramps up wind energy research - https://www.llnl.gov/news/newsreleases/2011/Dec/NR-11-12-05.html
in Onshore Wind
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Itzurkarthi shared a video The World's Largest Wind Turbine 7 months ago
This is the Enercon E-126, the first wind turbine with 6 MW rated power, rotor diameter: 126m (413ft), hub height: 135m(450ft). Two of these giant wind power units have been built for testing at an onshore location, Rysumer Nacken, near Emden, in the northwest of Germany.
Here each WPU is expected to produce about 18 Mio kWh per year, enough for more than 4,500 homes-
We havetechnology that will improve wind turbine cost/ efficiency. Anyone know of any power company not suffering from NIH Syndrome (not in House), integrity (ie, sincere interest, not find out w/o intentions that are honorable).. Sannerwind@gmail.com
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Arunpillai wants to discuss Battery System To Capture Wind Power 6 months ago
AES Corporation's wind farm spread across twelve miles of West Virginia’s Laurel Mountains has more than 60 turbines and it generates power for 20,000 homes, and feeds energy into the PJM Interconnection grid.
What is different about this wind farm is the use of a series of 1.3 million lithium ion batteries placed in white shipping containers. PJM sends signals to the battery system every four seconds, telling it to either distribute electricity from the turbines onto the grid, or store it for use when the wind isn’t blowing.
Watch the Video here - http://www.energynow.com/video/2011/11/14/capturing-windin Onshore Wind
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Arunpillai wants to discuss W. Virginia Wind Farm Proves It Can Store Energy 7 months ago
Batteries turn intermittent wind into a steady stream of power - The 98 megawatt (MW) Laurel Mountain wind facility is storing excess energy in a huge 32 MW bank of lithium-ion batteries, the use of which is bringing the price down, while size and performance is improving.
http://www.matternetwork.com/2011/11/w-virginia-wind-farm-proves.cfm -
Kyzyl wants to discuss Where the wind blows - MIT News Office 8 months ago
How far can wind power go toward reducing global carbon emissions from electricity production? - http://web.mit.edu/newsoffice/2011/energy-scale-part2-1025.html
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Kyzyl wants to discuss How SustainX’s latest patent will improve grid storage | SmartPlanet 8 months ago
Compressed air energy storage company SustainX recently received a patent for technology that could help improve grid storage and make utility-scale r - http://www.smartplanet.com/blog/intelligent-energy/how-sustainxs-latest-patent-will-improve-grid-storage/9743?tag=nl.e660
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Arunpillai wants to discuss India's Clean Energy Knowledge Gap Revealed 8 months ago
In India, knowledge of renewable energy is low, says a survey, and even fewer residents are aware of energy efficiency - BUT 71% of consumers were willing to pay higher prices for electricity if it came from renewable sources! http://www.earthtechling.com/2011/10/indias-clean-energy-knowledge-gap-revealed/
in Solar PV Onshore Wind Cleantech Government Policies and Regulations
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There are many magnificant signs, so what?
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Solarenergy shared a video WIND POWER: An Indian Scenario 9 months ago
In an interview to the English news channel ET NOW, some of the prominent names of the Indian renewable energy industry shared their thoughts on why wind power was losing its speed in the alternative energy sector. Mr. Narasimhan Santhanam, Director, Energy Alternatives India [EAI] explained on how the Wind farms were initially set up in areas where there were no land acquisition problems and in the coastal region of the state; followed by Mr. Shivaram, vice-chairman & CEO, Orient Green Power, who elaborated on how the industrial demand and the incentivized packages like guaranteed Power Purchase Agreements (PPA) and a 80% discounted depreciation catapulted wind energy to its peak. These facts were reaffirmed by Mr. Banmali Agarwala, ED, Strategy and Business Development, TATA Power, who also said that the estimated capacity of wind energy was 12 GW. - http://www.youtube.com/watch?v=3I-W1x3uyAY
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Australia overall doesn’t show up among the world’s wind-power leaders, but it’s a different story in South Australia. By at least one calculation, the state in the south-central part of the country has higher per capita installed wind capacity than Denmark or Spain. And now there could be a lot more on the way: Premier Mike Rann said India-based wind-turbine manufacturer Suzlon has plans to build a 180-turbine, 600-megwatt (MW) capacity plant.
http://www.earthtechling.com/2011/09/giant-wind-farm-eyed-for-south-australia/in Onshore Wind
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It’s refreshing to see a little innovation going into the wind industry. On Tuesday Danotek, a startup that builds a technology called permanent magnetic generators for wind turbines (also with applications in the transportation and grid sectors), announced that it has raised $15 million from high-profile investors GE Energy Financial Services, Khosla Ventures, CMEA Capital, and Statoil Technology.
in Onshore Wind
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Narsi says 10 months ago
The Brazilian authorities have this week confirmed that wind power in the country currently costs less than natural gas, after a series of energy auctions saw wind farm operators undercut other forms of energy generation.
Seventy-eight wind power projects won contracts in last week's energy auctions held by Brazil's National Electric Power Agency, totalling 1,928MW and priced at approximately 99.5 reals (£37.4) per MWh.
http://www.businessgreen.com/bg/news/2103849/brazilian-wind-power-cheaper-natural-gasin Onshore Wind
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Narsi says 10 months ago
China's Wind Power Sector Struggles with Rare Earth Price Hikes
While an increasing number of wind power equipment manufacturers in China have started to adopt direct-drive permanent magnet technology, rare earth minerals, some of the core raw materials used to produce wind turbines, are becoming a significant barrier to their development.
http://www.renewableenergyworld.com/rea/news/article/2011/08/chinas-wind-power-sector-struggles-with-rare-earth-price-hikesin Onshore Wind
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Narsi says 10 months ago
U.S. Wind Industry Shows Strong Recovery
Did you know that, since 2007, 35% of America's new electrical generating capacity has been powered by wind-more than twice the amount of new coal and nuclear capacity combined? New numbers from the second quarter of 2011 show that the trend is continuing. According to the American Wind Energy Association (AWEA), the U.S. wind industry installed 1,033 MW of new capacity in the second quarter of this year, a 46% increase over the same period last year. At this rate, wind power is ahead of schedule to perhaps generate 20% of U.S. electricity by 2030-a goal identified by the Department of Energy under the George W. Bush administration.
Most of the new turbines were installed in California (420 MW), followed by Oregon, Illinois, Utah and Ohio.
http://www.earthtechling.com/2011/08/u-s-wind-industry-shows-strong-recovery/in Onshore Wind
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Narsi says 10 months ago
http://www.winergy-group.com/ - Winergy has been supplying innovative drive systems and wind turbine components to the international wind power industry since 1981. Every second wind turbine installed worldwide is equipped with at least one of our components for converting wind power into electrical energy.
in Onshore Wind
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Narsi says 10 months ago
http://www.wind-works.org/ - a nice site on wind and solar energy
in Onshore Wind











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