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Topic: Wind energy


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In the News (Tue 20 Aug 19)

  
  Wind power - Wikipedia, the free encyclopedia
Wind power is the kinetic energy of wind, or the extraction of this energy by wind turbines.
The wind blows faster at higher altitudes because of the reduced influence of drag of the surface (sea or land) and the reduced viscosity of the air.
The large installations of a modern wind facility are typically 100 m high to the tip of the rotor blade, and, besides the continuous motion of the 35-m-long rotor blades through the air, each time the blade passes the tower a deep subsonic thump is produced, which is a form of noise pollution.
en.wikipedia.org /wiki/Wind_energy   (5391 words)

  
 FPL Energy - Wind Energy
While wind energy generation cannot be precisely scheduled based on demand, sophisticated monitoring and wind resource analysis allow wind developers to estimate with a high degree of certainty "when" and "how much" wind energy is available in a particular region during a specific month or year, so customers can plan their resource balance accordingly.
Wind turbines capture the wind's energy with two or three propeller-like blades, which are mounted on a rotor, to generate electricity.
For utility-scale sources of wind energy, a large number of turbines are usually built close together to form a wind farm.
www.fplenergy.com /renewable/contents/wind.shtml   (539 words)

  
 Texas Renewable Energy Resources - Wind
In the United States, wind farms are presently built on tracts with winds of class 5 (orange) and higher.
The Alternative Energy Institute (AEI) at West Texas AandM University constructed the improved resolution Texas wind map as a refinement of the PNL map.
Wind is a highly variable resource, but with proper understanding it can be readily incorporated into an electric utility's generation mix.
www.infinitepower.org /reswind.htm   (700 words)

  
 Renewable Resources Wind Energy Information
The goal of a wind facility permitting process, as with other energy facility siting processes, is to reach decisions that are timely and avoid unnecessary court challenge; ensure project compliance with existing laws and regulations ensuring environmental protection at a reasonable cost.
Wind and other renewable resources may be affected differently than conventional generation by new electric industry rules because of such inherent characteristics as their location dependence, intermittency, and low capacity factor.
Wind speeds cannot be predicted with high accuracy over daily periods, and the wind often fluctuates from minute to minute and hour to hour.
egov.oregon.gov /ENERGY/RENEW/Wind/windhome.shtml   (382 words)

  
 Wind energy   (Site not responding. Last check: 2007-10-09)
ind energy is the kinetic energy associated with the movement of atmospheric air.
Wind turbines transform the energy in the wind into mechanical power, which can then be used directly for grinding etc. or further converting to electric power to generate electricity.
Wind energy continues to be the fastest growing renewable energy source with worldwide wind power installed capacity reaching 14,000 MW.
edugreen.teri.res.in /explore/renew/wind.htm   (409 words)

  
 Wind Energy Manual - Wind Energy Economics   (Site not responding. Last check: 2007-10-09)
A wind energy system requires a large initial capital outlay, but over its lifetime it will provide years of energy with no fuel cost while the costs of other sources of energy may escalate.
Although a wind turbine's energy savings may average out to be relatively constant from year to year, the value of that savings may actually increase annually.
As a rule of -thumb, it is probably cost-effective to install a wind system to meet the energy needs of a small, remote load (e.g., residence, water pump) if the power line is more than a half-mile away and the site has an average hub-height wind speed of at least 12 mph.
www.energy.iastate.edu /renewable/wind/wem/wem-13_econ.html   (3046 words)

  
 Wind Energy
Wind is called a renewable energy source because wind will continually be produced as long as the sun shines on the earth.
Wind power plants, or wind farms as they are sometimes called, are clusters of wind machines used to produce electricity.
A wind turbine at a typical wind farm operates 65-80 percent of the time, but usually at less than full capacity, because the wind speed is not at optimum levels.
www.eia.doe.gov /kids/energyfacts/sources/renewable/wind.html   (2566 words)

  
 Airborne electricity/1
Although wind has been generating electricity since the 1930s, the revival of interest in wind power dates to the oil crises of the 1970s.
If wind generators worked at full output all the time, one megawatt of capacity would serve the average needs of about 380 people in the United States, together with their share of industry and agriculture.
But wind turbines actually produce about 23 percent of their rated capacity when averaged over the year, says Michelle Montague, communications director of the American Wind Energy Association.
whyfiles.org /069renew_energy/3.html   (787 words)

  
 Overview of Wind Energy in California
America Wind Energy Association estimated that through the early 1990s, 1,200 direct jobs in California's wind industry, with as many as 4,000 indirect jobs, were created.
Wind power plants are turbines which use the energy in the motion of the wind to make mechanical energy, which is then converted to electrical energy.
In California, wind speeds are highest in the hot summer months, and approximately three-fourths of all annual wind power output is produced during the spring and summer.
www.energy.ca.gov /wind/overview.html   (1006 words)

  
 EERE: Wind Energy   (Site not responding. Last check: 2007-10-09)
Wind energy uses the energy in the wind for practical purposes like generating electricity, charging batteries, pumping water, or grinding grain.
Wind turbine use ranges from homeowners with single turbines to large wind farms with hundreds of turbines providing electricity to the power grid.
Wind energy is considered a green power technology because it has only minor impacts on the environment.
www.eere.energy.gov /RE/wind.html   (302 words)

  
 May 31, 2001: Wind Power: The Missing Link in the Bush Energy Plan
A 3,000-megawatt wind farm in the early planning stages in South Dakota, near the Iowa border, is 10 times the size of the Oregon/Washington wind farm.
As wind generating costs fall and as concern about climate change escalates, more and more countries are climbing onto the wind energy bandwagon.
Wind, once seen as a cornerstone of the new energy economy, may turn out to be its foundation.
www.earth-policy.org /Alerts/Alert14.htm   (1343 words)

  
 The Energy Story - Chapter 16: Wind Energy
The kinetic energy of the wind can be changed into other forms of energy, either mechanical energy or electrical energy.
Wind is also used to turn large grinding stones to grind wheat or corn, just like a water wheel is turned by water power.
Wind has to be this speed to turn the turbines fast enough to generate electricity.
www.energyquest.ca.gov /story/chapter16.html   (602 words)

  
 Wind Energy EIS Public Information Center
In response to recommendations contained in the President's National Energy Policy that encourage the development of renewable energy resources, the BLM is undertaking efforts to evaluate additional wind energy development on public lands, including the establishment of a Wind Energy Development Program.
The BLM currently administers numerous wind energy right-of-way authorizations on lands in several Western states and has received a large number of new project proposals.
The BLM has determined that the establishment of a Wind Energy Development Program would be a major federal action that requires preparation of a Programmatic EIS.
windeis.anl.gov   (724 words)

  
 Investigating Wind Energy
This equalizing process causes wind and is of major importance in determining the environments for life on land, global as well as local weather patterns, and a clean, inexpensive source of energy for humans.
The following activities focus on characterisitics of wind, forces that cause wind, the effects of wind, and wind as a viable source of renewable energy for the 21st century.
This content is described within an inquiry-based learning approach founded on the premise that children construct meanings via active engagement with materials, thoughtful reflection on these experiences, and the development of self-initiated questions toward the construction of new meaning.
sln.fi.edu /tfi/units/energy/windguide.html   (341 words)

  
 European Wind Energy Association (EWEA) - Home Page
The European Wind Energy Association (EWEA) welcomed the conclusions of a working paper on renewable energies published by the International Energy Agency (IEA), which investigates whether there are technical limits to the market penetration of renewable energy technologies, and wind more specifically.
The Global Wind Energy Council (GWEC) today released a communiqué calling on the Australian Government to use the opportunity of the new Asia-Pacific Partnership on Clean Development and Climate to further develop wind energy across the region.
The dena report - a German study on grid integration of wind energy - is presented in detail at the international "Conference on the integration of wind energy into the German Electricity Supply" today in Berlin.
www.ewea.org   (1514 words)

  
 Amazon.com: Wind Energy Basics: A Guide to Small and Micro Wind Systems (Real Goods Solar Living Book): Books: Paul Gipe   (Site not responding. Last check: 2007-10-09)
Wind Energy Basics is a "must" for environmentally supportive advocates seeking to establish non-polluting energy resources for themselves, their families, and their businesses.
Wind Energy Basics: A Guide to Small and Micro Wind Systems by Paul Gipe is an excellent overview of wind power turbines both past and present.
All in all, Gipe's Wind Energy Basics: A Guide to Small and Micro Wind Systems is a good starting point for the homeowner who is considering the possibility of buying or installing an RE system for the first time.
www.amazon.com /exec/obidos/tg/detail/-/1890132071?v=glance   (1544 words)

  
 Wind Energy and Energy Policy
California's Competitive Energy Market: The First Year's Effects on the Wind Energy Industry, a report by Robert Harmon summarizing the effects on the wind energy industry of California's first year of competition in the restructured electric power industry.
AWEA statement before the Science, Energy, and Environmental Resources Committee of the National Conference of State Legislatures, November 6, 1997 asserts that the Renewables Portfolio Standard (RPS) is an essential element of utility restructuring.
AWEA testimony before the House Energy and Power Subcommittee, October 22, 1997 endorses the concept of customer choice, but warns that a series of policies are needed to ensure that the restructured electricity market fosters growing use of clean energy resources.
www.awea.org /policy   (1677 words)

  
 Sandia National Laboratories - Wind Energy Technology
Sandia National Laboratories conducts applied wind energy research in several areas to increase the viability of wind technology by improving wind turbine performance and reducing their cost.
In the LWST area, Sandia is supporting public-private partnerships for multiple large wind system to achieve the goal of 3 cents/kWh in class 4 winds by 2012.
In the TA area, Sandia is working under the auspices of Wind Powering America (WPA) to develop wind power in New Mexico and on Native America lands in New Mexico and Arizona.
www.sandia.gov /wind   (252 words)

  
 The Wonderful World of Renewable Energy   (Site not responding. Last check: 2007-10-09)
Historically, renewable energy was used exclusively as man's energy source until coal was first used in the 13th century, oil in the end of the 19th century and uranium in the middle of the 20th century.
Renewable sources of energy are economically feasable in small scale applications in remote locations (off the grid homes) or in large scale applications in areas where the resource is abundant and can be harnessed by giant conversion systems such as the hydro projects of theTVA or the wind farms of California.
The choice of equipment required to convert renewable energy sources into energy you can use in your home depends on whether or not there is already a connection to the electric utility.
www.wind-power.com   (1466 words)

  
 Wiley::Wind Energy
Wind power is set to become one of the major energy resources of the future.
Wind Energy offers a major forum for the reporting of advances in this rapidly developing technology with the goal of realising the world-wide potential to harness clean energy from the wind.
Contributions across the spectrum of scientific and engineering disciplines concerned with the advancement of wind power conversion technology are an essential feature of the journal.
www.wiley.com /WileyCDA/WileyTitle/productCd-WE.html   (340 words)

  
 Wind-Works by Paul Gipe
An on-line archive of articles and commentary primarily--but not solely--on wind energy.
For more on my photography and for photo tours of several wind farms as well as a sampling of wind energy icons, see the photos section of this site.
OSEA is a dynamic organization seeking to develop small, community-owned renewable energy projects in the Canadian province of Ontario.
www.wind-works.org   (439 words)

  
 The Wind: Our Fierce Friend
A series of four inquiry-based activities provides a framework for investigating the effects of wind and the energy of wind.
The next activities build on the early exploration, with students building windmill blades to demonstrate their notions of wind.
Which city really is the "windiest?" We're not going to give you the next step, but we are going to offer an arena in which you can continue your work with wind by utilizing the collaborative power of the Internet.
sln.fi.edu /tfi/units/energy/wind.html   (391 words)

  
 Amazon.com: Wind Energy Handbook: Books: Tony Burton,David Sharpe,Nick Jenkins,Ervin Bossanyi   (Site not responding. Last check: 2007-10-09)
As environmental concerns have focused attention on the generation of electricity from clean and renewable sources wind energy has become the world's fastest growing energy source.
The Wind Energy Handbook draws on the authors' collective industrial and academic experience to highlight the interdisciplinary nature of wind energy research and provide a comprehensive treatment of wind energy for electricity generation.
With coverage ranging from practical concerns about component design to the economic importance of sustainable power sources, the Wind Energy Handbook will be an asset to engineers, turbine designers, wind energy consultants and graduate engineering students.
www.amazon.com /exec/obidos/tg/detail/-/0471489972?v=glance   (1037 words)

  
 Wind energy and other renewable energy information at Re-Energy.ca.   (Site not responding. Last check: 2007-10-09)
The wind has been used by humans for thousands of years, first to carry ships across oceans and, later, to pump water and grind grain.
Wind turbines come in two general types, those whose main turning shaft is horizontal and points into the wind, and those with a vertical shaft that points up.
Wind: Our Fierce Friend, is an elementary student activity that features a series of topics investigating wind, its energy, and the structures we build to capture this energy.-->
www.re-energy.ca /t_windenergy.shtml   (340 words)

  
 Wind Energy in California
Wind energy plays an integral role in California's electricity portfolio.
Additionally, hundreds of people are using smaller wind turbines to produce electricity for their homes and businesses.
New Wind Energy Resource Maps of California PIER Program, Renewable Energy Research.
www.energy.ca.gov /wind   (392 words)

  
 DANISH WIND INDUSTRY ASSOCIATION - windpower.org   (Site not responding. Last check: 2007-10-09)
So I'll just cut it short" the Crown Prince of Denmark said with a smile, as he cut the red ribbon and opened what would turn out to be three exciting days at Copenhagen Offshore Wind 05.
Wind with Miller is loved by kids of all ages.
It is a fun way to get an intuitive grasp at wind power knowledge.
www.windpower.org /en/core.htm   (149 words)

  
 ME3 - Energy Issues - Wind Energy Resources and Information   (Site not responding. Last check: 2007-10-09)
The Renewable Energy Objective requires each Minnesota electric utility to make a good faith effort to generate or procure electricity generated by renewable technologies with the goal of 10% of electricity being provided by renewable technologies by 2015.
The main objective of this study is to assess the impact of interconnecting 916.5 MW of wind-based generation, in the vicinity of Buffalo Ridge area of Minnesota.
Wind With Miller - a web site for schools (5th Grade and up) with class assignments and a teacher's guide by the Danish Wind Industry Association.
www.me3.org /issues/wind   (4702 words)

  
 Windustry ...learn how to harvest the wind
Windustry promotes wind energy through outreach, educational materials, and technical assistance to rural landowners, local communities and utilities, and state, regional, and nonprofit collaborations.
NEW: Fully updated and expanded wind energy lease and easement materials.
Great River Energy issues Request for Proposals: 120MW Renewable Energy generation, 20MW specified from C-BED.
www.windustry.org   (81 words)

  
 NREL: National Wind Technology Center Home Page
The National Wind Technology Center, located at the foot of the Rocky Mountains near Boulder, Colorado, is a world-class research facility managed by the National Renewable Energy Laboratory for the U.S. Department of Energy.
NWTC researchers work with members of the wind energy industry to advance wind power technologies that lower the cost of wind energy through research and development of state-of-the-art wind turbine designs.
Wind Energy Program Multi Year Technical Plan for 2004 - 2010 (PDF 2.4 MB)
www.nrel.gov /wind   (150 words)

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