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Trump admin slaps solar, wind operators with retroactive rent bills

The Interior Department had stopped charging the rents at the end of 2018 to review company complaints that former President Barack Obama’s administration had increased them too much, making them uncompetitive with rents on private property. The Interior Department declined repeated requests to comment on the outcome of that review, or the issuance of the retroactive rent bills. A budget document on the Interior Department’s web site shows it expects to collect $50 million in rent fees for wind and solar projects in 2020, up from $1.1 million in 2019 and $21.6 million in 2018.
18 May 2020

Subsidizing the slaughter: Big wind kills another bald eagle, gets more federal subsidies

The extension of the PTC provides a stark reminder of how an influential industry can manipulate the Washington favor factory and in doing so, turn what were supposed to be temporary subsidies into permanent ones worth billions of dollars per year – and even more remarkably, get those subsidies extended without ever getting the money appropriated by Congress. 
16 May 2020

Faulty blades hamper wind farm production (Part 2)

I asked Steve Peters if he knew exactly when the blades in the next section south broke. Peters recalled that, "the blade broke during the morning hours of Dec. 30. Nothing looked wrong at that site until before noon. Steve also said he had heard that 32 turbine sites (96 blades) had blades that needed to be repaired or replaced.
15 May 2020

How does wind project performance change with age in the United States?

Wind_project_performance_1-s2.0-s2542435120301744-main_thumb Researchers at the Lawrence Berkeley National Lab (LBNL) analyzed the performance of 917 wind plants in the United States and found steep declines in performance after the first 10 years of operation. The performance drop coincided with the plants losing their eligibility for the production tax credits (PTC). This could signal project owners are less interested in maintaining the turbines once the tax credits have ended. The PTC is available to operating projects during the first 10-years a project is in service. The summary of the paper is provided below. The full paper can be downloaded via the links on this page. 
15 May 2020

Turbine output drops steeply after ten years: US research

The research suggested project operators are incentivised to maintain turbines during the first decade by the tax credit support system. The fall in performance is noticed more acutely after a project is no longer receiving the subsidy. As the production tax credit (PTC) is paid in line with a turbine’s output, operators maximise the benefit of the support before it is phased out by keeping their turbines in better condition to maintain output levels, the researchers explained.
15 May 2020

Travis AFB Midair Collision Avoidance Pamphlets 2007 to 2020

Travis_afb_maca_pamphlet_mar2011_thumb Travis Air Force Base Mid-Air Collision Avoidance pamphlets (MACA) for 2007, 2011, 2017, and 2020. In 2011, the MACA was amended to warn about the area over a wind turbine facility as being high-risk for mid-air collisions due to the impact of spinning turbine blades on radar. This warning did not appear in the 2007 MACA. At that time, the impact of the blades on digital radar systems was not well understood. Analog radars are not impacted by the turbines. The area continues to be a high risk for collision and pilots are required to fly with transponders turned on. The pamphlets can be downloaded by clicking the document links on this page. The single page shown below is taken from the 2011 pamphlet.
14 May 2020

Wagner men claim local wind turbines violate county commission agreement

That affidavit stated Prevailing Wind Park agreed to ensure wind turbines constructed in Charles Mix County met a number of criteria related to noise, lighting, shadow flicker and ice. Among the criteria specified were that noise levels from turbines were not to exceed 43 dBA without a waiver at residences of those who weren't participating in the project and that either control systems would automatically shut down turbines or Prevailing Wind Park would do so manually when ice conditions were identified. Powers and Petrik asserted in their affidavit that those noise and ice criteria are not being met,
13 May 2020

http://www.windaction.org/posts?p=2
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