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Officially grid-connected and set to work this week in Germany is a new wind tower from ATS. The novel tower construction allows very high hub heights that may increase a turbine's yield by 20% or more. With its hub height of 133 meters (436 feet), the system has an overall height of 180 meters (590 feet). "This is a great day for wind energy." said Frans Brughuis, Managing Director of the tower construction specialist Advanced Tower Systems (ATS). "Now the pilot project can demonstrate the high cost-effectiveness and efficiency of the ATS concept," The system, one of the largest wind energy systems with hybrid tower in the world, is installed at Germany's Windtest test field at Grevenbroich, near Cologne.

The trip from Salt Lake City to southern Utah's red-rock playground-thousands of us make the drive to Moab during a typical year-will never be the same. There, where U.S. Highway 6 starts its cut through Spanish Fork Canyon, stand nine breathtaking, milk-white giants-the busily whirring turbines of the Spanish Fork Wind Project. The windmills are 405 feet high, and their blades, which from ground level look deceptively slow moving, spin at 170 mph, says Spanish Fork Mayor Joe Thomas. He should know. Shortly before the official ribbon cutting at the wind farm in early October, Thomas got the chance to climb to the top of a turbine.

(NaturalNews) A new combination of nano and solar technology has made it possible for solar electric generation to be cheaper than burning coal. Nanosolar, Inc. has developed a way to produce a type of ink that absorbs solar radiation and converts into electric current. Photovoltaic (PV) sheets are produced by a machine similar to a printing press, which rolls out the PV ink onto sheets approximately the width of aluminum foil. These PV sheets can be produced at a rate of hundreds of feet per minute.

Traffic was piling up going from West Seattle to Interstate 5 - and that meant Rich Feldman had to drive a few feet and stop, over and over, all the way up the access ramp. As they looked out at the line of cars ahead of their plug-in Toyota Prius, Feldman and the business executive sitting beside him, John Clark, couldn't have been happier.

While harnessing more energy from the wind could help satisfy growing demands for electricity and reduce emissions of global-warming gases, turbulence from proposed wind farms could adversely affect the growth of crops in the surrounding countryside. Solutions to this, and other problems presented by wind farms - containing huge wind turbines, each standing taller than a 60-story building and having blades more than 300 feet long - can be found blowin' in the wind, a University of Illinois researcher says.

Having almost been run off the road by Iowa's gusty winds, I'm not surprised to hear about the state's interest in wind energy. But the scale of its current project- a one billion dollar wind farm- is truly impressive. The proposed Trade Wind Energy farm will feature 335 wind generators that can produce up to 500 MW of energy. Each generator will be able to power 500 to 1,000 homes. The generators will each be at least 1,000 feet apart, and property owners in the vicinity will receive rent for use of wind rights. Project details haven't been finalized, however, and the number of wind generators will ultimately depend on success in leasing property rights. But Trade Wind Energy representatives are confident that the project will go ahead as planned since some leases have already been signed and area farmers seem receptive.

DOVER, Mass. - On a recent sunny afternoon Bob Loebelenz pauses to gaze 72 feet into the air at the spinning blades of his wind turbine, a small "clean, free electricity" smile creasing the corners of his mouth. While giant wind turbines that supply power to utilities sprout along ridgelines across the United States, far smaller residential wind generators, like the one Mr. Loebelenz erected in 2003 to power his suburban Boston home, are still unusual in densely populated places.

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.

REW reports the world's biggest solar thermal tower has opened in Spain - World's Largest Solar Power Tower Commissioned. Abengoa Solar has begun commercial operations of the world's largest solar power tower plant, a 20 MW installation. The company claims that the performance of the power plant, the so-called PS20, has exceeded its design output in the wake of its three-day production and operational testing period. Located at the Solúcar Platform, near Seville, Spain, PS20 is the world's second power tower plant in commercial use and features a number of significant technological improvements with respect to its predecessor, PS10. These enhancements include a higher-efficiency receiver, various improvements in the control and operational systems, and a better thermal energy storage system. PS20 consists of a solar field made up of 1255 heliostats with a surface area of 1291 square feet each. This reflects the solar radiation it receives onto the receiver, located on the top of a 531 foot-high tower, producing steam which is converted into electricity generation by a turbine. Plant construction was carried out by Abener.

Germany's first offshore wind farm has gone online off the North Sea island of Borkum. A year late and 50 million euros over budget, it's still the best hope proponents of green energy have for meeting the country's ambitious emissions reductions targets. Electricity generated by Germany's first offshore wind energy park began streaming into the national network on Wednesday as three wind turbines located 45 kilometers (28 miles) north of the North Sea island of Borkum went online. The three wind turbines are massive. Each towers more than 100 meters (328 feet) above the waves, with blades spanning more than 116 meters. Individually, the wind turbines are capable of generating 5 megawatts of energy per year. The initial trio will be joined later this year by nine more wind turbines. When all 12 go online later this year, the installation is expected to provide enough electricity to power 50,000 homes.

We have to wear shoes to protect our feet during cold days, wet days or when we are walking on uneven, potentially dangerous surfaces. Some shoes, however, are not good for the environment.

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