2aguy
Diamond Member
- Jul 19, 2014
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I could have put this in the Europe thread, so if you move it, that would make sense....
Germany has experienced a "wind drought," and their wind mills did not generate energy...showing us, once again, why basing your nation's energy supply on wind and sun is stupid...
Energiewende, or “energy transition” in English, is Germany’s comprehensive plan to transform its energy system towards a low-carbon, nuclear-free economy. This green-fever-dream includes significantly increasing the share of renewable energy sources while phasing out nuclear power and reducing reliance on fossil fuels.
For years, the Germans have religious implemented energiewende. They have been so efficient that wind energy has become the largest source of electricity at 27.2%, overtaking coal at 26.8%.
However, in their rush to achieve “net-zero”, the Germans forgot another of their words: Dunkelflaute (wind drought…literally “dark calm”).
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Dunkelflaute typically occurs during winter months, particularly in November, December, and January. And it appears that the projection is for slowing wind speeds over the next few decades, too.
Germany has experienced a "wind drought," and their wind mills did not generate energy...showing us, once again, why basing your nation's energy supply on wind and sun is stupid...
Energiewende, or “energy transition” in English, is Germany’s comprehensive plan to transform its energy system towards a low-carbon, nuclear-free economy. This green-fever-dream includes significantly increasing the share of renewable energy sources while phasing out nuclear power and reducing reliance on fossil fuels.
For years, the Germans have religious implemented energiewende. They have been so efficient that wind energy has become the largest source of electricity at 27.2%, overtaking coal at 26.8%.
However, in their rush to achieve “net-zero”, the Germans forgot another of their words: Dunkelflaute (wind drought…literally “dark calm”).
-----
Dunkelflaute typically occurs during winter months, particularly in November, December, and January. And it appears that the projection is for slowing wind speeds over the next few decades, too.
A single event usually lasts up to 24 hours, with 2-10 events occurring per year, totaling 50 to 150 hours annually.During these periods, wind turbines and solar panels produce little or no energy. Germany has tried various kinds of battery storage to get through the annual dunkelflaute, but the only thing that has really bailed out their power grid is nuclear, and burning more coal and natural gas
Germany and Northern Europe have been experiencing a variation of dunkelflaute, called “wind droughts,” for the last few years, with wind speeds falling 15% or more in many regions. This has been a gradual trend since 1978. The projections for wind drought continue to get worse. Even the IPCC is forecasting slowing winds for the coming decades, saying average annual wind speeds could drop by up to 10% by 2100.
12-Day Wind Drought Has German Utility Executives on Edge
In the race to achieve Energiewende ('energy transition'), Germans forgot about dunkelflaute (wind drought/dark calm).
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