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2018-04-27. How windmills as wide as jumbo jets are making clean energy mainstream.

posted Apr 28, 2018, 2:17 PM by Alan Gould
By Stanley Reed, San Francisco Chronicle. For GSS Energy Use chapter 10. Excerpt: ...The biggest turbines in Osterild stretch more than 600 feet high. The largest rotor blades can reach 270 feet in length, comparable to the wingspan of an Airbus A380, the world’s largest commercial plane. The price tag: More than $12 million. The monstrous scale has helped turn wind into a mainstream form of power. Larger turbines harness more wind, creating more energy. The biggest modern offshore turbines produce nearly 20 times as much power as ones developed three decades ago. The larger the size, the lower the cost of generating energy. In parts of northern Europe, wind is now a major power source. It accounts for 4 percent of overall global energy supply, according to the International Energy Agency. From those early Danish innovators, the industry has grown to be dominated by companies like Vestas Wind Systems and Siemens Gamesa Renewable Energy.... https://www.sfgate.com/business/article/How-windmills-as-wide-as-jumbo-jets-are-making-12870597.php