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Wind energy technology stories in the news. Page commenced Oct. 1, 2009.

Wind >
Barros & Pereira's cross-wind_bridge - As vehicles cruise down the road, they kick up a wind that designers Barros & Pereira propose to harness via a from a network of 2,188 light-weight rotating panels on a pedestrian bridge to power the bridge lights at night -- a sort of wind tax on the passing vehicles. (Design Boom; Oct. 26, 2009; thanks Alt Energy News)

Wind > VAWT >
Helix looking to use mobile phone towers for wind energy generation - Later this month, Helix Wind Corporation will deliver its first test wind turbines to Eltek Network Solutions Group for installation at two test sites in Nigeria. The turbines will provide a clean energy solution for mobile phone towers and if tests prove successful, could see wind power being rolled out to hundreds of sites over the next few years. (Gizmag; October 3, 2009)

Wind > Largest >
World's Largest Wind Farm (781.5 MW) Completed in Texas - Living up to its bigger is better (for better and worse) reputation, Texas can now boast having the world's current largest wind farm. E.ON Climate & Renewables has announced the completion of the 781.5 MW Roscoe wind complex, which is expected to generate enough power for more than 230,000 average homes. (TreeHugger; Oct. 1, 2009)

Wind Plans >
Malawi windmill boy with big fans - The extraordinary true story of a Malawian teenager who transformed his village by building electric windmills out of junk is the subject of a new book, The Boy Who Harnessed the Wind. (BBC; Oct. 1, 2009)

Featured: Wind > High Altitude >
Airplane almost hits ship kite - Now that more and more ships are using skysail kites which sometimes fly as high as 300 meters (~1000 feet) to help tow them along to conserve on fuel, a dangerous situation is posed to airplanes by both the kites and the tether. (Examiner/PESN; Sept. 18, 2009)

Wind > Offshore \ Largest >
Denmark Brings World’s Largest Offshore Wind Farm Online - Denmark is launching the world's biggest offshore wind farm this week. Using 91 turbines scattered across 35 square kilometers, the Horns Rev 2 farm, built by Danish utility company Dong Energy, will be able to produce 209 megawatts of power – enough for a staggering 200,000 homes. (Inhabitat; Sept. 16, 2009)

Wind / Environment >
Wind power may have its own environmental problems - Wind power generation is expected to be a clean and environmentally friendly natural energy source, but a new kind of environmental problem has surfaced as infrasonic waves (20 Hz sound waves) caused by windmills are suspected of causing health problems for some people. (PhysOrg; July 5, 2009)

Wind > Tools
Slip Rings for Wind Power (video) - Slip Rings by Moog Components Group, utilize fiber brush sliding contact technology, making them a “no maintenance” rotary devices for transferring electrical power and signals; and eliminates the need for common slip ring maintenance procedures such as vacuuming of brush debris, lubrication, regular inspection for wear, and brush replacement. (Engineering TV; June 22, 2009)

Wind >
Wind Could Provide 5X World Energy Needs - A new study in the Proceedings of the National Academy of Science estimates the earth's capacity for wind power if plausible areas were put to use with 2.5-MW wind turbines, and 3.6-MW off-shore turbines (within 50 nautical miles in ocean depths less than 200 meters) showed that wind energy could provide over forty times the world's current electrical consumption and over five times the global use of total energy needs. (Mongabay; June 22, 2009)

Featured: Wind > Horizontal Axis >
Honeywell Wind Turbine by EarthTronics - EarthTronics, of Michigan, USA, says they have developed a wind turbine for residential and business customers that produces the highest output while having the lowest cost per kWh installed, at 1/3 the cost of any other wind generator on the market, and will be available through Ace Hardware stores in the Fall. Skeptics say this is hype not supported by actual deployment. (PESWiki; June 18, 2009)

Wind > High-Altitude >
Results from High-Altitude Wind Study Promising - In the future, will wind power tapped by high-flying kites light up New York? A new study by scientists at the Carnegie Institution and California State University identifies New York as a prime location for exploiting high-altitude winds, which globally contain enough energy to meet world demand 100 times over. (Wired; June 15, 2009)

Wind > Floating >
First floating wind turbine buoyed off NorwayFirst floating wind turbine buoyed off Norway - Siemens and energy company StatoilHydro installed the first large-scale floating turbine. The testing is expected to last for two years. The Hywind turbine will still have a ballast that is tied to the sea floor with cables. Wires will transfer the electricity produced to the mainland grid starting in July. (CNet; June 12, 2009)

Wind > High Altitude Wind Power >
Harnessing High Winds With Giant Kites - On overview of various companies and groups seeking to develop viable, reliable methods of harnessing energy from high altitude winds, which carry hundreds of times more energy and are more constant than those near the ground. A look at Delft University of Technology's Laddermill; Google-supported Makani; University of Sussex; and Kitegen of Italy. (Alternative Energy News; May 20, 2009)

Wind > Augmentation
Donut-Shaped Plastic Improves Turbine Output By 30% - Leviathan Energy has come up with a way to improve wind turbine efficiency that has nothing to do with the size or angle of the blades. The company's Wind Energizer is instead a donut-shaped structure made of plastic and steel that wraps around the base of the turbine to maximize wind velocity aimed at the blades. (EcoGeek; May 1, 2009)

Wind Farms >
Alaska: the Clean Energy Frontier? - Wind turbines are popping up all over Alaska. The Alaska Energy Authority charged with reducing energy costs in Alaska, is recommending grants for 72 renewable energy projects, and all but a few of the projects are expected to save money over the project life. (GreenInc; Feb 18, 2009)

Top 100 / Featured: Solar / Wind > Skybuilt >
SkyBuilt Providing Plug-n-Play Renewable Power (Interview) - Company that specializes in portable, modular, rapidly-deployable renewable energy systems, especially for the military and for cell tower installations; now has the world's first hybrid power station in an airline-checkable suitcase. (PESN; Feb. 12, 2009)

Wind >
NCAR Forecasts Will Help Xcel Energy Harness Wind - National Center for Atmospheric Research (NCAR) has reached an agreement with Xcel Energy to provide highly detailed, localized weather forecasts to enable the utility to use more wind energy. The forecasts will help utility operators make critical decisions about powering down traditional coal- and natural gas-fired plants when sufficient winds are predicted. (NewsWise; Feb. 4, 2009)

Wind >
Wind Installations Continue to Break Records Across The Globe - According to the Global Wind Energy Council more than 27 gigawatts of new wind capacity was commissioned in 2008, a 36% increase on 2007. The three main markets of Europe, North America and Asia dominated. (Renewable Energy World; Feb. 4, 2009)

Vertical Axis Wind Turbines >
Rooftop Wind Turbine Invention Seeks Support In Google Contest - Clarian's Jellyfish Plug-In Wind Turbine by Seattle inventor, Chad Maglaque, has submitted the design to Google's 10th anniversary "Project 10 to the 100th""contest. (BTW, they've delayed voting to March 17). (YouTube) (PhysOrg; Jan. 29, 2009)

Featured: Storage / Offshore Wind / Energy Islands >
KEMA's Inverse Offshore Pump Accumulation Station - A new concept is being explored that would use excess renewable energy to pump water out of a lower reservoir into the surrounding sea as a storage mechanism. This artificial inverse island is being considered for off shore deployment in the North Sea. (PESWIki; Jan. 28, 2009)

Wind / Health >
World Renowned Expert Issues Dire Warnings To Residents Of Ontario - One of the world’s leading research experts in the areas of electromagnetic pollution, radio frequency radiation, ground current and dirty electricity delivered alarming warnings about the dangers to human and animal health, posed by Industrial Wind Turbines. (Videos) (No Sydenham Windfarm; Jan. 15, 2009)

Wind > Largest >
Mexico turns toward alternative energy - Spanish energy company Acciona Energia says the 2,500-hectare (6,180-acre) farm at La Ventosa, Mexico, should generate 250 megawatts of electricity with 167 turbines, 25 of which are already operating. The rest should be on line by the end of 2009, making the project the largest of its kind in Latin America. (Associated Press; Jan. 22, 2009)

Top 100 / Featured: Wind > Vertical Axis >
Enviro Energies' magnetically levitated Mag-Wind™ system - Affordable wind turbine design by this North American company reduces friction, noise, vibration and energy losses, and generates power in low wind environments; is now going into production. (PESWiki; Jan. 23, 2009)

Wind > Offshore >
Wind, Waves, and Watts - A new wrinkle in an offshore wind proposal by Grays Harbor Ocean Energy Company of Washington state, is that the supports anchoring each wind turbine platform to the ocean floor would be designed in a way to turn wave action into electricity as well. (TruthOut; Jan. 4, 2009)

Wind >
SWIFT Wind Turbines - Renewable Devices Swift Turbines Ltd. has developed the SWIFT Wind Turbine, a quiet, building-mountable wind turbine, capable of providing a cost-effective renewable energy source for domestic, community and industrial use. Developed in Scotland and manufactured and distributed in the US by Cascade Engineering.

Wind > High Altitude Wind Power >
Twind High-Altitude Wind Technology - TWIND technology intends to propose an innovative method in order to exploit the Eolic energy with low costs, higher continuity and a minor environmental impact. (Comment: Their site talks about the power:windspeed ratio as a squared function. It is actually a cubed function.)

2008

Top 100: Wind / Geothermal > Raser
Beaver aims to be 'renewable capital of Utah' - Beaver County is fast becoming a convergence point for companies wanting to harness renewable forms of energy like geothermal wells or the persistent wind. (Salt Lake Tribune; Nov. 28, 2008)

Five Weird-Ass Wind Turbines - Here are a few of the more radical designs for wind-capturing devices out there. The huge, the odd, and the ingenious. A look at the Maglev, the Aerogenerator, the Magenn, the Flo-Design, and a rotating tower. (EcoGeek; Sept. 7, 2008)

Winds of Change: Man invents windmill to save diesel' - The man who brought this green innovation to Thadubhai and the masses in gujrat is Mahesh Patel, head of GIAN, an organisation that works to find practical applications of little known innovators across of the country of India. (Thanks Adrian Akau) (IBN Live; Aug. 9, 2008)

Clearing the Air: Wind Power and Reliability - Our studies and experiences show that wind energy integrates effectively and reliably into our power systems with regional market operations to mitigate the impact of wind variability. (Renewable Energy; March 25, 2008)

70% Of Navarra's Power Comes From Wind, Solar - The region of Navarra, in Northeastern Spain, gets approximately 70% of its electricity from the wind and the sun. With 1,100 windmills, this tiny region is capable of generating more electricity from renewable sources than France or Poland. Navarra plans to reach 100% renewable energy generation by 2010. (TreeHugger; Mar. 22, 2007)

Compressed air wind turbines - General Compression thinks it's found a way to make wind power available on-demand using turbines to compress air and store it underground. A pipeline network collects and stores compressed air and a power plant of expanders and generators produces electricity when needed. Wind farms could sell power during peak demand, making them grid compatible. (Inside Greentech; Mar. 20, 2007)

Efficient Wind Tunnels: Could Be Big? - Green Energy Technologies has developed a wind tunnel product that captures wind and pulls it into the center where the turbine is, increasing the velocity of the wind by Bernoulli's Principle. The WindCube is the urban-friendly rooftop application and the WindMAX is the tower application for high power users, with a payback period of 3-7 years. (TreeHugger; Mar. 16, 2007)

‘Windy City’ is testing rooftop turbine power - "Aeroturbines", with double-helix rotors caged in cylinders instead of exposed blades, is intended to limit bird kills, ice buildup, roof-rattling vibrations and howling noise. (Gulf Times; May 30)

New Advanced Propeller / Rotor System - Hi-Q Products has been awarded a grant from the California Energy Commission to develop “cutting-edge‿ advanced wind rotor system. The Mamikon Spinner, based on single strip geometry, is stronger and more stable than 3 blade designs. Able to spin in the slightest breeze, it is designed for sites with a high percentage of low wind days. (Hi-Q Products; March 23, 2005) See also Hi-Q Rotor (pdf file) at DOE

Breakthrough, low-cost wind turbine technology moves closer to commercialization - The Wind Turbine Company has been awarded a contract with the U.S. DOE NREL to continue prototype testing and development of the WTC 750 kilowatt wind turbine. "Our new wind turbine technology provides the potential to reduce wind electricity cost by approximately one-third," said Larry Miles. WTC's 750 turbine features 2 rotor blades, oriented on the downwind side of the tower. (The Wind Turbine Company; July 6, 2006)

News:Wind

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2008

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