Library from Germany

Wind energy: Decommissioning wave rolling towards Germany

It is not always possible to continue operating old systems. In some cases the turbines must be dismantled. About 28,000 wind turbines are spinning under the German sky - much of them operating since the late nineties. Currently, the wind industry faces major challenges: With the expiration of the eligibility for subsidies under the Renewable Energy Sources Act (EEG) after 20 years, the operators have to decide whether the older plants should be decommissioned, dismantled, repowered or continue to operate as before. Under current conditions, this will impact approximately four gigawatts of wind project output nationwide according to estimates by the Institute for Integrated Production Hannover (IPH). In the future, an additional 2.4 gigawatts of EEG funding will be eliminated on average per year.
14 May 2018

Keeping up with Germany's endangered bats

Koch proposes shutting down wind turbines at times when bats' migration path puts them at risk from the huge, rotating blades. But if bat protection is to be taken into consideration when designing policy – on wind energy development, forestry, agriculture and the use of pesticides – solid data is essential.
30 Apr 2018

Massive damage in the wind farm - cause unclear

The damage at the offshore wind farm, "Alpha Ventus", located about 45 kilometers from Borkum, is considerably more serious than initially known. At the beginning of April not only did the plastic covering crash 90 meters into the sea, but half of the nacelle fell off as well. Experts are now investigating whether it is a single incident or possibly serial damage. More than 120 turbines of this type are installed in the North Sea.
25 Apr 2018

Enercon E-115 Turbine Failure

Enercon_e-115_-_1_thumb The citizens group, Gegenwind Borchen, shows on its website photos of fiberglass parts of shredded turbine blades scattered several hundred meters away. The fragments are from an Enercon E-115 turbine that experienced a catastrophic failure within days of the turbine being erected. The mayor of Borchen, Reiner Allerdissen, called for an immediate halt to construction at the facility until the cause of the failure is known. The turbine stands about 200 meters (656 feet) high.
10 Mar 2018

Wind power - Jammers for the heart: Mainz researchers investigate the consequences of infrasound

A working group of the Department of Cardiothoracic and Vascular Surgery of Medicine caused a stir at the congress of the professional society with their research on the impairment of the heart muscle by wind turbine infrasound. In this interview, the lead researcher explains that wind turbine infrasound can reduce the force of cardiac muscle contractions, under certain conditions, by up to 20 percent.
5 Mar 2018

‘Mr Energiewende’ quits German government in protest at coalition deal

Baake, a Green Party politician whose appointment by then economy minister Sigmar Gabriel was a surprise at the time, criticised the new government’s energy and climate plans in a resignation letter ...The plans for the energy transition (Energiewende) in the new coalition agreement were a “bitter disappointment”, Baake wrote to incoming energy and economy minister Peter Altmaier.
4 Mar 2018

German turbine collapse

German-turbine-near-hanover_thumb A wind turbine lies in a field after it collapsed during storm 'Burglind' in Volksdorf near Hanover, Germany. The 70-meter tower collapse happened on Wednesday, Jan. 3 2018 after parts of the rotor had broken. Nobody was injured.
3 Jan 2018

Power prices go negative in Germany, a positive for energy users

The wholesale costs of power make up only about a fifth of the average household electricity bill in Germany. The rest is a stew of taxes, fees to finance renewable-energy investments and charges for use of the grid. That means their bills are lower than they otherwise would be, because power prices are sometimes negative, but utilities are not depositing money in customers’ bank accounts.
26 Dec 2017

German regulator triggers onshore wind rescue

The risk that German onshore wind could collapse over the next three to four years, endangering the aim to achieve 40-45% of gross electricity consumption from renewables by 2025, prompted the BNA to trigger a rescue clause in the 2017 renewable energy act.
1 Dec 2017

http://www.windaction.org/posts?location=Germany
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