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1. voda 12 oktober 2010 22:21

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   Google investeert in windenergie
   12 oktober 2010, 22:14 | ANP
   MOUNTAIN VIEW (AFN) - Investeerders, onder leiding van technologiegigant Google, gaan miljarden pompen in Atlantic Wind Connection, een enorm windmolenproject aan de Oostkust van de Verenigde Staten. De kosten van het offshoreproject kunnen oplopen tot 5 miljard dollar (3,6 miljard euro).
   
   De windturbines moeten over een afstand van 565 kilometer voor de kusten van New Jersey tot Virginia komen, het dichtstbevolkte gebied in de VS. Rick Needham van Google noemde het duurzame project een nieuwe ,,supersnelweg'' voor alternatieve energie die uiteindelijk genoeg energie moet opleveren voor 1,9 miljoen huishoudens.
   
   Google, met uiteenlopende investeringen van breedbandtechnologie tot zelfsturende auto's, neemt 37,5 procent van de initiële investeringen voor zijn rekening. Good Energies, een bedrijf dat investeringen doet in groene energie, neemt een vergelijkbaar belang in het project.
   
   
2. voda 31 maart 2011 22:22

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   Alleen nog maar solar power?
   
   Dood vleermuizen kan VS miljarden kosten
   
   FOTO THINKSTOCK
   De Verenigde Staten houden hun hart vast voor een massale sterfte onder vleermuizen. Ruim een miljoen van deze dieren zijn sinds 2006 gesneuveld door een schimmelziekte, bekend als het witteneuzensyndroom, en grote windmolens die de vleermuizen vermalen.
   
   Vleermuizen zijn echter grote eters van insecten. ,,Zonder vleermuizen worden oogsten aangetast. Het gebruik van chemische pesticiden stijgt'', zei onderzoeker Gary McCracken van de University of Tennessee in Knoxville donderdag.
   
   Hij schat de waarde van de vleermuizen in de landbouw op minstens 3,7 miljard dollar (2,6 miljard euro) per jaar.Door het toenemende aantal windmolens zal het aantal dode vleermuizen nog fors toenemen. De onderzoeker roept op tot actie.
   
   ,,Niets doen is geen optie, omdat deze vliegende zoogdieren weinig nakomelingen krijgen. Herstel van de populatie duurt tientallen jaren, misschien zelfs eeuwen.'' (ANP)
   31/03/11 21u34
   
   www.ad.nl/ad/nl/1013/Buitenland/artic...
3. voda 19 april 2011 21:27

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   Cape Wind Power Project Wins U.S. Backing for Construction
   By Jim Snyder - Apr 19, 2011 6:42 PM GMT+0200
   
   Cape Wind Associates said building the wind turbines in the water, a project in development for about a decade, may begin as early as the U.S. fall. Federal officials said approving the plan is a milestone in developing clean-energy sources that will help lower carbon emissions and create jobs.
   
   “After a thorough review of environmental impacts, we are confident that this offshore commercial wind project -- the first in the nation -- can move forward,” Interior Secretary Ken Salazar said in a statement.
   
   Cape Wind plans to install 130 wind turbines in Nantucket Sound off the Massachusetts coast. The project has been opposed by homeowners whose ocean view would be affected by the windmill towers and by local lawmakers as a threat to a sensitive ecosystem.
   
   The Interior Department is seeking to speed the process of building wind energy projects off the Atlantic Coast, Salazar said today. In February, Salazar and Energy Secretary Steven Chu said development off New Jersey, Delaware, Maryland and Virginia may advance when no environmental impediments are identified.
   
   “Taking 10 years to permit an offshore wind project like Cape Wind is completely unacceptable,” Salazar said today at a news conference in Boston’s Charlestown Navy Yard national park where he was joined by Cape Wind Vice President Dennis Duffy.
   
   The department today took a step that may lead to a wind farm near New Jersey, seeking information to gauge interest and shortening the time for development, Salazar said.
   
   Duffy said Cape Wind has yet to sell half the power the wind farm is forecast to produce.
   
   “We are confident the bulk of the power will be sold and discussions are underway,” Duffy said
   
   Interior’s Bureau of Ocean Energy Management, Regulation and Enforcement approved the construction and operations plan.
   
   To contact the reporter on this story: Jim Snyder in Washington at jsnyder24@bloomberg.net
   
   To contact the editor responsible for this story: Larry Liebert at lliebert@bloomberg.net
   .
   
   www.bloomberg.com/news/2011-04-19/cap...
4. voda 17 juni 2011 17:04

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   Olympic Steel installs wind turbine
   
   Olympic Steel, Inc a national metals service center, announced the installation of a USD 550,000 Northern Power 100kw wind turbine to supplement electricity to the Company's Corporate Office and attached temper mill facility in Bedford Heights, Ohio.
   
   The gearless, direct-drive designed turbine is mounted atop a 120 foot monopole and features a 69 foot diameter rotor. The unit is expected to supplement approximately 15% of the electric power consumed by the Company's 5096 Richmond Road location with any excess production directed to the local energy grid, managed by First Energy.
   
   A ribbon cutting ceremony is scheduled for employees, media, and local and state officials on the morning of June 23.
   
   Mr Michael D Siegal chairman and CEO said that "We are pleased to be among those leading our industry to support clean, renewable energy initiatives. We would like to thank the City of Bedford Heights and the State of Ohio for their assistance in providing the necessary grants and allowing this project to go forward. It is our intention to continue to pursue these types of opportunities to increase sustainability including and beyond our ISO 14001 certification."
   
   Olympic Steel partnered with Wind Turbines of Ohio to subsidize the project through the Ohio Department of Development and the Advanced Energy Fund. Cascade Renewable Energy, a division of the Grand Rapids, Michigan based Cascade Engineering, Inc., executed the installation.
   
5. voda 21 juni 2011 21:10

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   Nordex, Way Wind Form Joint Venture for Wind Farm in Nebraska
   
   By Mariajose Vera - Jun 21, 2011 9:06 AM GMT+0200
   
   Nordex AG’s U.S. unit, Nordex USA, Inc, and Way Wind LLC. have formed a joint venture for the co- development and construction of a wind farm in Wayne Country, Nebraska. The project has a potential for 120 megawatts, the company said.
   
   To contact the editor responsible for this story: Mariajose Vera at mvera1@bloomberg.net
   
   
6. voda 21 juni 2011 21:49

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   Siemens Willing to Finance Cape Wind as U.S. Postpones Backing, CFO Says
   
   By Brian Wingfield - Jun 21, 2011 9:00 PM GMT+0200
   
   Siemens AG, Europe’s largest engineering company, is willing to provide financing for the first U.S. offshore-wind farm even though the Energy Department has delayed support, the company’s chief financial officer said.
   
   “We’ve always made it clear that we are not only willing but also capable of helping to support the whole project,” Josef Kaeser said in an interview in Washington today.
   
   Siemens of Munich has offered to provide debt and equity financing for the proposed Cape Wind project, which would be located off the Massachusetts coast and cost about $2.6 billion. The U.S. Energy Department said last month it had put a loan- guarantee application for Cape Wind on hold to focus on other projects that could begin construction before a Sept. 30 deadline.
   
   Cape Wind, which was opposed by the late Senator Edward Kennedy of Massachusetts and members of his family, would generate as much as 468 megawatts of energy from wind turbines located about 5 miles (8 kilometers) from Cape Cod. The project may be difficult to finance without government backing, Jerome Guillet, managing director of Green Giraffe Energy Bankers of Paris and a Cape Wind adviser, told Bloomberg Government this month.
   
   “I don’t have any doubt” that Cape Wind will continue to move forward, Kaeser said.
   
   “Sweet Spot”
   
   Wind and natural gas are “sweet-spot” businesses for Siemens, Kaeser said. Duke Energy Corp. (DUK) of Charlotte, North Carolina, said in March it would use 73 Siemens wind turbines for a wind farm in Kansas. Siemens announced last year that it was investing $135 million in a gas-turbine production plant in Charlotte.
   
   The “most efficient contribution” to the U.S. energy infrastructure “would be in the gas-turbine and gas power-plant environment,” Kaeser said. He said he isn’t concerned about potential U.S. regulations associated with natural-gas drilling.
   
   “The EPA and the government needs to do what it’s got to do,” Kaeser said. “We are not really concerned about it.”
   
   To contact the reporter on this story: Brian Wingfield in Washington at Bwingfield3@bloomberg.net
   
   To contact the editor responsible for this story: Larry Liebert at lliebert@bloomberg.net
   
   www.bloomberg.com/news/2011-06-21/sie...
7. [verwijderd] 22 juni 2011 11:08

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   Neh, solar is the answer Voda
   Ey, felici met je 100000 ste post
8. voda 6 oktober 2011 16:31

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   BP investing in Kansas wind farm
   
   BP has announced it will add to its already substantial wind energy holdings in the USA with a blade signing ceremony for the 419 MW Flat Ridge 2 wind farm to be constructed near Wichita, Kansas.
   
   The event was attended by Kansas Governor Sam Brownback, state legislators and company executives, no doubt keen to capitalise on good news for the state's energy infrastructure and a boost for job numbers. The project will also perhaps help repair the parent company's tarnished image resulting from the Gulf oil spill disaster from last year.
   
   BP Wind Energy will spend USD 800 million on the massive farm, which will be constructed on 66,000 acres of land across four counties and consist of 262 GE wind turbines each with a rated capacity of 1.6 MW.
   
   Flat Ridge 2 is BP’s second major foray into renewable energy investment in Kansas, after deciding to focus its wind power business efforts on the onshore market in the USA in 2009. BP owns and operates the Flat Ridge Phase I wind farm, a 100 MW project, which provides clean energy to 30,000 homes.
   
   (Sourced from energymatters.com.au)
   
   
9. voda 24 februari 2012 15:56

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   Belang PGGM in windpark Mexico
   Gepubliceerd op 24 feb 2012 om 08:51 | Views: 228
   
   UTRECHT (AFN) - Het PGGM Infrastructure Fund heeft een belang van 33,75 procent genomen in een nog te bouwen windpark in Mexico. Dat werd vrijdag bekendgemaakt.
   
   Het windmolenpark Mareña Renovables in Oaxaca wordt naar verwachting het grootste windmolenpark van Latijns-Amerika. Het park wordt in het najaar van 2013 in gebruik genomen.
   
   Naast PGGM nemen Macquarie Mexican Infrastructure Fund en Mitsubishi Corporation een belang van respectievelijk 32,5 en 33,75 procent in het windmolenpark. Afnemers van de stroom uit het park zijn de Mexicaanse bottelarij, FEMSA en Heineken Mexico. Financiële details zijn door PGGM niet bekendgemaakt.
   
10. voda 27 februari 2012 16:41

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    Steel winds project generates power and profit long former Bethlehem Steel site
    
    The steel winds project has dramatically changed the appearance of the Lake Erie shoreline, along the former Bethlehem Steel site in Hamburg and Lackawanna.
    
    Mr Paul Gaynor CEO of First Wind, the Massachusetts based company that developed the 14 turbine wind farm in two phases, says a project like Steel Winds can generate as much power as a conventional plant that would burn more than 115,000 barrels of oil or use 32,000 tonnes of coal each year.
    
    Mr Gaynor was in town last week to mark the start up of Steel Winds’ second phase, which added six new windmills to the 14 turbine project that first began operating in 2007.
    
    He spoke with The Buffalo News about the project and the future of the wind energy industry.
    
    Q - How pleased are you with how things have gone here?
    
    A - We’re very excited that it’s finally up and running. You can see it now. The turbines are all spinning and working and generating power.
    
    This is a relatively small project, but it was pretty hard to do because of a lot of factors. We’re happy that it’s finally done.
    
    One of the things that we’re very, very happy about is this industry is working. It’s economic. It’s providing a lot of jobs.
    
    It’s great. This is just a little project, but we’re happy it can happen right here in Lackawanna and Hamburg.
    
    Q - How much power has Steel Winds generated since it opened five years ago?
    
    A - The first phase, to date, has generated about 185,000 megawatts.
    
    Q - What does that mean?
    
    A - I’d say that’s probably providing 7,000 homes on an annual basis over the last five years.
    
    Q - What capacity are you running at?
    
    A - This site has a capacity factor in the low 30% range. It’s probably running 90% of the year, or 90% of the actual hours of the year. If you look at it from what’s the effective ratio to its capacity, it’s probably in the low 30s, which is good.
    
    It’s a very competitive resource and we’re providing power to the grid at what it costs natural gas and other fossil-drive fuels that generate on the grid. So it’s competitive.
    
    Q - Is the project profitable?
    
    A - It’s absolutely profitable. It’s been profitable from Day One.
    
    Q - How challenging was this project to build?
    
    A - This is our 12th project. This is our 750th megawatt that we’ve put into operation. It is a relatively small project, but that doesn’t mean it was easy. In fact, this was probably the most difficult six turbine and 15 MW project that we’ll ever do.
    
    It was a difficult site to permit. There were lots of challenges with the existing uses of the existing landowners. There were a lot of constraints around the landowners [Tecumseh Development, a subsidiary of ArcelorMittal, and Buffalo Crushed Stone] with what they wanted to do with the property, where we could put the turbines, where we could put the transmission and collection system.
    
    Five of the six turbines are below the level of Lake Erie. We actually had to build them up so we didn’t have floods in the bottoms of the turbines. That’s typically not good.
    
    There were a lot of grid interconnection challenges. Just getting the wind farm properly integrated into the grid took a lot of creativity and ingenuity. We didn’t have to take those steps in the first phase because the infrastructure was already there. We had to make some modifications to that in order to make it happen.
    
    There were a host of other issues that came up in the development of this little six turbine project that made it very, very challenging. But it was all worth it in order to move the state and the country toward energy independence.
    
    Every time those turbines are generating, it means that a coal plant or some other source of dirty, more expensive source of power is not operating. That’s something to be very proud of, even with a little six-turbine project.
    
    Q - Politically, how challenging was this to get done?
    
    A - Pretty difficult. There are six turbines. There are five individual tax abatement agreements. So it’s complicated. There were a lot of people who had a stake in it and wanted to make sure their voices are heard. In the end, it got to a very constructive conclusion.
    
    Q - How many people will be working on the wind farm?
    
    A - All told, it’s probably going to be about 10 to 12. That’s for both phases. That’s our folks, as well as the folks who work for Clipper, which is the turbine manufacturer.
    
    Q - Is any more expansion possible here?
    
    A - We’ve pretty much run out of real estate here on the waterfront. But we’re looking at other sites in New York and will continue to do so.
    
    Q - By and large, do you think wind energy is viable?
    
    A - Absolutely viable. There’s no question that it’s profitable. Yes, it does require a federal subsidy to make it happen, but I think so does every other source of energy that we currently use—oil, natural gas and so forth. The nuclear industry is incredibly subsidized. When you make sure it’s a level playing field, it’s absolutely viable.
    
    Q - How important is the federal wind energy tax credit?
    
    A - It’s important, obviously. I’m hopeful that as wind becomes more and more competitive that, eventually, the wind energy won’t need to rely on the tax credit. But that’s probably three to five years away.
    
    Q - Is the uncertainty over the tax credit stalling the development of wind energy projects?
    
    A - Absolutely. We’re seeing companies making some pretty dramatic announcements concerning layoffs, mostly in the manufacturing sector because they’re on the leading edge of this. We’re hopeful that will get passed eventually.
    
    One of the things that’s a little frustrating is that there is support for this industry, notwithstanding everything you’re hearing from Congress. There is bipartisan support.
    
    (Sourced from www.buffnews.com)
    
    
11. voda 28 februari 2012 16:40

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    Wind farm developers protest against calling BF gas as green
    
    It is reported that Ohio lawmakers are considering a measure that would call blast furnaces a source of green energy and instantly pit steel makers against wind farm developers.
    
    AK Steel of Middletown wants to build a USD 310 million power plant that would use the gases from its blast furnace as a fuel rather than a waste gas that it must by law now flare. ArcelorMittal in Cleveland is interested in the technology.
    
    AK Steel has already won a USD 30 million grant from US Department of Energy for this first of its kind US power generator that could help US steel makers with power bills. The proposal also has the blessing of the US Environmental Protection Agency because it would produce something of value from a dangerous waste gas.
    
    AK Steel and its partner, Air Products of Allentown, which would own and operate the facility, say the power plant would cost about twice as much as a similar sized plant that burns natural gas. The company therefore has asked lawmakers to amend Ohio's green energy law and classify the electricity generated with blast furnace gases as renewable energy, even though the blast furnace itself is fueled with coke, a substance made from coal.
    
    Senator Mr William Coley said that "We tailored this bill to include just waste gas from blast furnaces. We are in Ohio. Blast furnaces are as natural as wind and sun in Ohio."
    
    That idea has the wind industry and a major wind developer, Iberdrola Renewables Inc, warning that the change would kill any further wind farm development in Ohio. Iberdrola built and operates Ohio's largest wind energy project, the 304 MW Blue Creek Wind Farm in Van Wert and Paulding counties. The company is the second largest owner of wind farms in the United States.
    
    The warning comes because the proposed amendment would allow AK to sell renewable energy credits known as RECs, to Ohio's electric utilities struggling to meet ever more stringent renewable energy mandates. AK Steel plans to use all of the power it generates, reducing its bills with Duke Energy Ohio, but it also could sell the RECs to a utility, helping to finance the project.
    
    (Sourced from Dayton Newspapers Inc)
    
    
12. voda 1 mei 2012 16:45

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    Duke Energy and Sumitomo finalize ownership arrangement for Kansas wind farms
    
    Duke Energy Renewables and Sumitomo Corporation of America, the US subsidiary of Sumitomo Corporation, announced that the companies have finalized their 50:50 ownership arrangement for two Kansas wind farms and secured approximately USD 353 million in financing for construction and operating costs.
    
    Duke Energy Renewables, a commercial business unit of Duke Energy, announced plans on March 27th 2012 to sell a 50% stake in the 131 MW Cimarron II Windpower Project in Gray County and the 168 MW Ironwood Windpower Project in Ford County to Sumitomo. The companies will complete construction of both wind farms later this year.
    
    The financing, which closed April 18th 2012, consists of a construction and term loan facility of approximately USD 330 million and a letter of credit facility totaling roughly USD 23 million. The lenders involved in the deal were Sumitomo Mitsui Banking Corporation, Mizuho Corporate Bank Limited and Bank of Tokyo Mitsubishi UFJ Limited.
    
    Vinson & Elkins and Kirkland & Ellis provided legal counsel to Duke Energy Renewables and Sumitomo, respectively, during the formation of the joint venture. Chadbourne & Parke represented the joint venture partners in the financing effort. Milbank, Tweed acted as legal counsel to the lenders.
    
    Both the Cimarron II and Ironwood projects have long term contracts in place to sell the electricity they generate. Kansas City Power & Light will purchase all of the electricity and associated renewable energy credits produced by Cimarron II under the terms of a 20 year agreement. Westar Energy will buy all the power and RECs produced by the Ironwood wind farm through a 20 year agreement.
    
    Source - Sumitomo Corporation
    
13. voda 1 juni 2012 16:25

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    Broadwind Energy shares fell after US proposes wind tower tariffs
    
    Bloomberg reported that Broadwind Energy Inc, a US provider of steel towers for wind turbines, fell after the US Commerce Department proposed duties of as much as 26% on competing products imported from China.
    
    Shares of Broadwind were little changed at 29 cents at the close in New York. They gained as much as 9.5% intraday, the most since May 22nd 2012.
    
    The Commerce Department released preliminary results today of its investigation into a complaint from the Wind Tower Trade Coalition, which claims its members are being harmed by subsidies from China. The group was formed to pursue the trade complaint and includes Broadwind, Otter Tail Corporation's DMI Industries, Katana Summit LLC and a unit of Trinity Industries Inc.
    
    Broadwind shares have declined 57% in 2012 on concerns that a renewable energy tax credit due to expire at the end of the year will slow US sales of wind turbines.
    
    Source - Bloomberg
    
14. voda 19 december 2012 16:53

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    REpower wins 105 MW order in Canada
    
    PTI reported that REpower Systems SE has concluded a contract with WPD Europe GmbH, a subsidiary of project developer WPD AG, for the delivery of 51 wind turbines.
    
    The company in a statement said that as part of this, a service and maintenance agreement for a total of 15 years for the new projects was also concluded.
    
    It said that the REpower MM92 turbines, each with a rated power of 2.05 MW, are intended for six projects Whittington, Springwood, White Pines, Napier, Sumac Ridge and Fairview to be constructed and commissioned in 2014.
    
    To serve its growing business presence in Canada and to meet the 50 per cent domestic content requirement of the Green Energy Act, REpower also announced setting up a new rotor blade manufacturing facility in Southern Ontario.
    
    Mr Andreas Nauen CEO of REpower Systems SE said that “The 105 MW contract again shows that the cold climate version of our MM92 is very well suited to the conditions on the Canadian wind market. With our announcement of rotor blade production in Ontario, we are expanding our presence in Canada a wind market with great potential even further.”
    
    Source - PTI
    
15. voda 5 februari 2013 16:32

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    Suzlon bags 350 MW project in Canada
    
    Suzlon Group's subsidary REpower Systems SE has signed a contract with EDF EN Canada Inc.
    
    This order is for the delivery of 175.2 MW wind turbines of the REpower MM82 and MM92 type for a project in Quebec, Canada.
    
    With a total rated output of 350 MW the Riviere du Moulin wind farm will be the biggest project in the history of REpower.
    
    Source - IRIS
    
16. voda 13 augustus 2013 16:59

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    Wind Leads New U.S. Generation Additions in 2012
    
    Wind power installations in 2012 represented a 43% majority of all new power capacity additions in the U.S. and accounted for $25 billion in U.S. investment, two new reports from the Department of Energy show.
    
    The Lawrence Berkeley National Laboratory (LBNL) released the “2012 Wind Technologies Market Report,” which details the latest trends in the U.S. wind power market. The Pacific Northwest National Laboratory (PNNL), meanwhile, issued the “2012 Market Report on Wind Technologies in Distributed Applications,” which highlights strong growth in the U.S. distributed wind energy market.
    
    Last year more than 13 GW of new wind power were added to the grid—almost double the wind capacity deployed in 2011, the LBNL report finds. At the same time, the proportion of wind turbine components such as towers, blades, and gears made in the U.S. has increased dramatically. The report estimates 72% of the wind turbine equipment installed in the U.S. last year was made by domestic manufacturers, nearly tripling from 25% in 2006-2007. Also according to the DOE’s 2012 Wind Technologies Market Report, technical and design innovation allowing for larger wind turbines with longer, lighter blades has steadily improved wind turbine performance and has expanded wind energy production to less windy areas.
    
    The PNNL report finds that over the last decade, the U.S. distributed wind market has grown more than five-fold. Turbines used in these applications can range in size from a few hundred watts to multi-megawatts, and can help power remote, off-grid homes and farms as well as local schools and manufacturing facilities.
    
    The report finds that distributed wind in the U.S. reached a 10-year cumulative installed capacity of more than 812 MW at the end of 2012—representing more than 69,000 units across all 50 states. Between 2011 and 2012, U.S. distributed wind capacity grew by 175 MW, with about 80% of this growth coming from utility-scale installations. At the state level, Iowa, Massachusetts, California, and Wisconsin led the nation in new distributed wind power capacity in 2012.
    
    The 2012 Wind Technologies Market Report expects 2013 to be a slow year for new capacity additions, due in part to continued policy uncertainty and project development timelines. While the report notes that 2014 is expected to be more robust, as developers commission projects that will begin construction in 2013, it also notes that projections for 2015 and beyond are much less certain.
    
    Sources: POWERnews, DOE
    
    —Sonal Patel, Senior Writer (@POWERmagazine, @sonalcpatel)
    
17. voda 25 augustus 2013 15:57

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    Siemens to supplies wind turbines for Washington
    
    It is reported that Siemens will supply 116 wind turbines for a wind farm in Washington. The 267 MW Tucannon River Wind Power Plant is owned by Portland General Electric Company, a public utility in Oregon.
    
    The German power manufacturer in a statement said that Tucannon River is located in Columbia County in the southeastern part of the state. Siemens will deliver and install its 2.3 MW turbines, which is scheduled to begin in 2014.
    
    However, Siemens will assemble the 116 nacelles and hubs at its nacelle assembly facility in Hutchinson, Kansas. The 348 blades for the Tucannon River project will be manufactured at the company’s plant in Fort Madison, Iowa.
    
    Source - www.breakbulk.com
    
18. voda 6 oktober 2013 15:24

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    Dominion Wins Interior Dept.’s Federal Offshore Wind Auction
    
    09/05/2013 | POWERnews
    
    Dominion Virginia Power is the provisional winner of the Interior Department’s second competitive lease sale of federal land off the coast of Virginia to develop an offshore wind farm.
    
    The company bid $1.6 million to win the lease for 112,800 acres. In a statement on Wednesday, the Dominion subsidiary said it will use the land on the Outer Continental Shelf to develop an 2-GW offshore wind turbine farm.
    
    The sale of the wind energy area about 23.5 nautical miles off Virginia Beach on Wednesday follows a July 31 auction of 164,750 acres offshore Rhode Island and Massachusetts for wind energy development that was provisionally won by Deepwater Wind New England, LLC, generating $3.8 million in high bids. The Bureau of Ocean Energy Management (BOEM) auctioned the Wind Energy Area offshore Virginia as a single lease, containing 19 whole Outer Continental Shelf blocks and 13 sub-blocks.
    
    Eight companies, including Dominion, were approved to bid, but only two firms participated. The auction lasted six rounds. “BOEM has several milestones that Dominion must meet to keep the lease with the final milestone being the submittal of a Construction and Operations Plan within five years of signing the lease. Once BOEM has the plan, it has an undetermined amount of time to perform an environmental analysis and approve the plan. Dominion expects the first turbine to be installed in about 10 years, pending project approval by state regulators,” Dominion said.
    
    Dominion is involved in other offshore wind research projects. The company’s team was one of seven projects selected to receive $4 million each in federal matching funds to undertake initial engineering, design, and permitting for a demonstration facility of two 6-MW turbines with a goal of finding innovative ways to lower costs of offshore wind. The Department of Energy will select up to three of the projects for follow-on phases to move forward with the final design, permitting, and ultimate construction of these demonstration projects. The projects must be in operation by the end of 2017.
    
    Others companies that BOEM had approved to bid were Apex Virginia Offshore Wind LLC of Charlottesville, Va.; Energy Management Inc. of Boston; EDF Renewable Development Inc. of San Diego; Fishermen’s Energy LLC of Cape May, N.J.; Iberdrola Renewables Inc. of Portland, Ore.; Sea Breeze Energy LLC of Philadelphia; and Orisol Energy U.S. Inc. of Ann Arbor, Mich.
    
    Sources: POWER, Dominion, BOEM
    
19. voda 28 oktober 2013 21:20

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    Study: Wind Power Curtailment More Cost-Efficient Than Storage
    
    11/01/2013 | Sonal Patel
    
    A new study from Stanford University suggests that, if the overall amounts of fuel and electricity required to build and operate energy storage technologies are factored in, grid-scale batteries make sense for storing surplus solar energy, but not for wind.
    
    The study published in the online edition of the journal Energy and Environmental Science compares the energetic costs of building and maintaining several emerging technology systems, including five battery types: lead-acid, lithium-ion, sodium-sulfur, vanadium-redox, and zinc-bromine. In a previous study conducted by lead author Charles Barnhart, a postdoctoral scholar at Stanford’s Global Climate and Energy Project (GCEP), found that lead-acid batteries have the highest energetic cost and lithium-ion the lowest. “We calculated how much energy is used over the full lifecycle of the battery—from the mining of raw materials to the installation of the finished device,” Barnhart said. “Batteries with high energetic cost consume more fossil fuels and therefore release more carbon dioxide over their lifetime. If a battery’s energetic cost is too high, its overall contribution to global warming could negate the environmental benefits of the wind or solar farm it was supposed to support.”
    
    What’s more, while wind turbines and photovoltaics were both found to deliver more energy than it takes to build and maintain them, the scientists’ calculations showed that the overall energetic cost of wind turbines is much lower than that of conventional solar panels, which require energy from fossil fuels for processing silicon and fabricating other components. And when the energetic costs of curtailment—the practice of shutting down solar panels and wind turbines to reduce the production of surplus electricity on the grid—were compared to the energetic cost of grid-scale storage, the scientists found that the amount of energy required to create a solar farm is comparable to the energy used to build each of the five battery technologies. The researchers’ calculations were based on a formula known as “energy return on investment”—the amount of energy produced by a technology, divided by the amount of energy it takes to build and maintain that technology.
    
    However, the results were quite different for wind farms (Figure 4). The scientists found that curtailing wind power reduces the energy return on investment by 10%. Storing surplus wind-generated electricity in batteries results in even greater reductions—from about 20% for lithium-ion batteries to more than 50% for lead-acid batteries, they found. “Therefore, it would actually be more energetically efficient to shut down a wind turbine than to store the surplus electricity it generates,” said GCEP postdoctoral scholar Michael Dale, a coauthor of the study.
    
    One way to improve the energetic performance of storage technologies is to increase the cycle life of a battery, the scientists found. Conventional lithium-ion batteries last about four years, or 6,000 charge-discharge cycles. Lead-acid batteries only last about 700 cycles. To efficiently store energy on the grid, batteries must endure 10,000 to 18,000 cycles, said Barnhart. Another option is to use pumped hydroelectric storage. “Pumped hydro is used in 99% of grid storage today,” Barnhart said. “It works fantastically from an energetic perspective for both wind and solar. Its energy return on investment is 10 times better than conventional batteries. But there are geologic and environmental constraints on where pumped hydro can be deployed.”
    
    Meanwhile, according to Dale, storage is not the only way to improve grid reliability. “Energy that would otherwise be lost during times of excess could be used to pump water for irrigation or to charge a fleet of electric vehicles, for example,” he noted.
    
    4. Stashing wind. Stanford scientists find in a new study that curtailing wind power reduces the energy return on investment by 10%, but storing surplus wind-generated power results in even greater reductions—from about 20% for lithium-ion batteries to more than 50% for lead-acid batteries. This image shows AES Energy Storage’s 2011-inaugurated Laurel Mountain energy storage project in Belington, W.Va., which provides frequency regulation in the PJM market to help manage the rapid rate of change in output that can occur with fluctuations in wind conditions. The Arlington, Va.–based company in September began operation of a 40-MW grid storage resource at Dayton Power and Light’s gas-fired Tait Generating Station in Moraine, Ohio. Courtesy: AES Energy Storage
    

    Bijlage:
20. voda 6 december 2013 20:54

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    A Wind Energy Plan That Fits America’s Resources
    
    12/01/2013 | Drew Devitt
    
    The U.S. lags far behind Europe in offshore wind power production due in part to deepwater challenges. Using floating vertical axis wind turbines and energy storage could be the nation’s best means to resolve technical and investment issues and launch the fledgling sector.
    
    America is blessed with long coastlines and relatively deep waters. But ironically, this has been a disadvantage to the U.S. offshore wind industry. Compared to more than 1,000 turbines that are already operating in the relatively shallow waters around the British Isles, and the significant offshore wind turbine generating capacity in many other European countries, only one offshore turbine is operational in the U.S. today. This is in no small part because shallow U.S. coastal waters are relatively close to the shoreline, which is problematic because it means offshore installations, limited by technical hurdles, must be closer to people, migratory bird patterns, and within state jurisdictions.
    
    As for any new industry, it is a good idea to get a big picture view of the sector’s particular circumstances and objectives. First, it is a given that renewable wind generation should be relatively close to demand, yet not in someone’s backyard. Several technical trends are symbiotically conspiring to avoid “not in my back yard” (NIMBY) issues and dramatically change the offshore wind model developed in Europe. These trends include the development of floating wind turbines as opposed to seafloor-supported designs, the use of deep ocean water near U.S. coastlines as an effective head for energy storage, and the use of direct current (DC) deepwater cables in energy transmission. This article shows how these technologies could work together in the context of America’s natural resources and political landscape.
    
    The Case for Offshore Wind Turbines
    
    When used for offshore wind power production, floating structures have the potential to reach a much larger and significantly more energetic wind resource than seafloor-mounted turbines. At the same time, they increase social acceptance because they allow turbines to be installed far away from people.
    
    Sandy Butterfield and his colleagues at the National Renewable Energy Laboratory (NREL) have published papers confirming the huge potential advantages of floating wind turbines, noting in 2010: “The NREL has estimated the offshore wind resource to be greater than the 1000 GW of the continental United States. The wind blows faster and more uniformly at sea than on land. A faster steadier wind means less wear on turbine components and more electricity generated per turbine. The wind increases rapidly with distance from the coast, so excellent wind sites exist within reasonable distances from major urban load centers reducing the onshore concern of long distance power transmission.”
    
    To emphasize Butterfield’s point regarding transmission, the best winds within the continental U.S. are class 3 and 4 winds in the Great Plains and Mountain States—but typically 1,500 miles from major load centers. Comparatively, areas just 30 miles offshore from major metropolitan hubs see class 6 winds. This is significant because an estimated 70% of U.S. electricity demand is close to its coastlines and the Great Lakes.
    
    It is also important to add that the energy in wind increases as a cube function of its velocity, so wind of 6 meters per second (m/s) has more than double the energy of wind at 4 m/s. Also, wind velocity near the ocean surface is higher than on land, as thermal boundary layers created by the sun heating the land are eliminated farther from shore. About 20 miles out to sea, wind currents aloft sink and reattach to the ocean surface, becoming trade winds. This reduces the need to elevate the turbine into the air and improves its capacity factor.
    
    Types of Wind Turbines
    
    Wind turbines can have either a horizontal or a vertical axis of rotation. Another important point of differentiation is that wind turbines employ two basic principles to capture energy from moving air: aerodynamic turbines use low-pressure lift (like an airplane wing), while impulse turbines use drag (like a water wheel). The differentiating factor is that the blade tip speed of aerodynamic turbines is a multiple of the wind speed, but an impulse turbine will not spin faster than the wind. Aerodynamic turbines can be more efficient than impulse turbines (Figure 1).