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Wind Power News: General News

RSSGeneral News

These news and opinion items are gathered by National Wind Watch to help keep readers informed about developments related to industrial wind energy. They do not necessarily reflect the opinions of National Wind Watch. They are the products of and owned by the organizations or individuals noted and are shared here according to “fair use” and “fair dealing” provisions of copyright law.

November 2, 2018 • Blogs, General NewsPrint storyE-mail story

Wind turbines in 2018

In October 1986, I presented a keynote address to the Community Noise Conference held in Toowoomba, co-sponsored by the Queensland Division of Noise Abatement and Air Pollution and the Australian Acoustical Society. The title of my talk was “Health Hazards of Noise.” In my talk, I spoke of noise as not just an urban phenomenon and gave examples of how residents in quieter communities can find themselves exposed to intrusive noises. One example I gave was the following: Imagine how . . . Complete story »

October 27, 2018 • Australia, General NewsPrint storyE-mail story

Stilling: The curious case of land wind speed decline

All over the world, the wind is slowing. Bit by bit, low-level land wind speeds have been decreasing since reliable records began in the 1970s. It is called “the stilling”. The decline was silently sneaking through under the radar until Australian National University professor Michael Roderick and his colleagues made a mistake. They noticed that the pan evaporation rates in the Northern Hemisphere were going down – not what you would intuitively expect in a warming world. The pan evaporation rate . . . Complete story »

October 15, 2018 • General NewsPrint storyE-mail story

Google: Powering data centers with clean energy 24/7 ‘no easy feat’

Dive Brief: Google issued a white paper Wednesday examining the energy used to run its data centers, concluding that while it has purchased 2.6 GW of renewable capacity, more than sufficient to cover its demands for clean energy, the resources are not fully aligned with when the electricity can be delivered. The internet giant reached its 100% renewable energy purchasing goal on a global and annual basis last year, but says it will now tackle the “much more challenging” long-term goal . . . Complete story »

October 10, 2018 • General NewsPrint storyE-mail story

Wind turbines a potential health risk: World Health Organisation

Wind power generators can cause health problems if they result in people being exposed to excessive noise levels, according to new guidelines for Europe that the World Health Organisation (WHO) has published. Exposure to wind turbines should not exceed 45 decibels during daytime, the Geneva-based UN agency wrote in the guidelines that it developed on behalf of the European Union. In comparison, soft radio music has 50 decibels. Although the recommendations were drawn up for Europe, they are relevant for . . . Complete story »

October 10, 2018 • General NewsPrint storyE-mail story

Wind turbine noise can be bad for hearing

Noise from wind turbines has been labelled a potential health hazard by researchers at the UN. The power-generating blades were included in a comprehensive assessment of the harm noise causes to humans. The report by the UN’s World Health Organisation found that noise cost a million healthy years of life across western Europe annually – with road traffic the biggest culprit. Onshore wind turbines have been championed by politicians as a cleaner alternative to fossil fuels. Jeremy Corbyn told the . . . Complete story »

October 5, 2018 • General NewsPrint storyE-mail story

Revealing the dark side of wind power

Any solution to global warming will almost certainly rely on an expansion of renewable energy, reducing carbon dioxide emissions with clean solar or wind energy and related technologies. It’s still far from clear, however, which technologies might deliver copious amounts of energy when we need it while avoiding negative environmental consequences. Research published today may help clarify the situation – and it’s not encouraging for wind-power enthusiasts. It suggests that the power available from wind is much more limited than many . . . Complete story »

October 5, 2018 • General NewsPrint storyE-mail story

The down side to wind power

When it comes to energy production, there’s no such thing as a free lunch, unfortunately. As the world begins its large-scale transition toward low-carbon energy sources, it is vital that the pros and cons of each type are well understood and the environmental impacts of renewable energy, small as they may be in comparison to coal and gas, are considered. In two papers – published today in the journals Environmental Research Letters and Joule – Harvard University researchers find that the transition . . . Complete story »

October 5, 2018 • General News, WyomingPrint storyE-mail story

Environmental impacts of large scale wind development may be greater than anticipated

When Vern Vivion was still running cattle outside Rawlins in the early ‘90s, he grew skeptical about wind development on his land. It’s not that he opposed wind, full stop. But Vivion, who died in 2014, thought turbines would have impacts on habitat that weren’t clear and hadn’t been investigated fully. Those impacts, he believed, would mean a lot to ranchers. He thought capturing the wind would impact the grass, said his daughter, Kristy, who now manages the land with . . . Complete story »

October 5, 2018 • General NewsPrint storyE-mail story

Minimizing yaw brake noise in wind turbines

Yaw noise is a significant contributor to the noise produced by wind turbines. It is the result of contact between the yaw brake pads and the disc when nacelle adjustments are made to optimize wind generation. The brakes are released to let the yaw motors turn the nacelle sufficiently into the optimal wind direction, and then reapplied to the hold position. Research has found that there is a direct relationship between the amount of noise caused by the brakes and . . . Complete story »

July 31, 2018 • General NewsPrint storyE-mail story

Navigating errors saw vessel twice collide with offshore wind turbine

A report has been issued about an incident that saw a vessel collide with an offshore wind turbine. The report from the International Marine Contractors Association (IMCA) said the vessel collided with a working platform on a wind turbine transition piece. The incident occurred during worsening weather conditions. The vessel was in dynamic positioning (DP) mode when it was decided to pull off. While moving away from the tower, a switch was made from DP to independent joystick control. Once . . . Complete story »

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