Wind power: for or against the wind?

[izentrop]

They took the time to realize the problem of overcrowding.

Today, the tide is turning in Germany, what a waste of materials that are difficult to recycle, late in the fight against RC https://www.arte.tv/fr/videos/100861-00 ... allemagne/

[moinsdewatt]

Well, they'll be going offshore.

Germany raises its target to 20 GW of offshore wind by 2030

Posted on 12 / 05 / 2020 lemarin

The German federal government, the coastal Länder and the managers of the national electricity grid concluded an agreement on Tuesday, May 12 to raise the objective of offshore wind power in the country from 15 to 20 GW by 2030.

Germany had nearly 7,5 GW of offshore wind in service at the end of 2019.

https://lemarin.ouest-france.fr/secteur ... n-mer-dici

[izentrop]

Well, they'll be going offshore.

Yes of course and solar and a lot of coal and gas since they are forced to continue their plan which is very expensive for German users.

As an intermediate target, the German government has set itself a share of 2030% of renewable energies in final energy consumption by 30 and 65% in gross electricity consumption. Priority is given to the development of intermittent, wind and photovoltaic energies.

The intermittence of wind and photovoltaic energies is a challenge for grid operators, as their availability varies greatly. Production can exceed demand and then drop rapidly, requiring the intervention of controllable means in backup to control the balance of the electrical system.

A particular challenge is the “Dark-doldrums”, English translation of the German word “Dunkelflaute” denoting a prolonged episode of almost zero wind and solar production, combined with increased demand for electricity in late autumn or winter.

... the virtue of considerably smoothing the production of intermittent renewable energies in Germany or in Europe does not correspond to reality. Western Europe often behaves like a fairly homogeneous windy area, dominated by the influence of large oceanic or continental currents. The expansion of wind power at European level is therefore inefficient and solar expansion is itself limited because Western Europe covers only 1,5 time zones.

https://allemagne-energies.com/energies-renouvelables/
And there is talk of 1000 billion that will be spent on this crappy plan by the end of 2030.

[izentrop]

Good evening everyone,
Why refer to old studies from 2012?
Why not see for yourself with current data?
Just go to the official German website to see the random variations in wind + PV production.
Example for the month of August.
https://energy-charts.info/charts/power/chart.htm?l=en&c=DE&interval=month&source=sw&month=08
We see that the peaks of wind production do not vary randomly, but often coincide with PV production.
You can change the month to the right, but there's still that weird 24 hour period for the wind.

Yes it is surprising this wind and solar coincidence, especially from August 21 to 31. July is practically the whole month.

Is it specific to Germany or is it found elsewhere? and is it not especially the offshore that causes this coincidence which amplifies the phenomenon of intermittence?

[Exnihiloest]

Good evening everyone,

Why refer to old studies from 2012?

Why not show us a more recent one?

Why not see for yourself with current data?
Just go to the official German website to see the random variations in wind + PV production.
Example for the month of August.
https://energy-charts.info/charts/power/chart.htm?l=en&c=DE&interval=month&source=sw&month=08
We see that the peaks of wind production do not vary randomly, but often coincide with PV production.
You can change the month to the right, but there's still that weird 24 hour period for the wind.

If one believes that it is enough to extend the production area, it is enough to collect the productions of Europe. It's tedious; banana did it for us.
https://doseequivalentbanana.home.blog/2019/01/29/foisonnement-eolien-du-portugal-a-la-pologne/
If you have the patience, you can check, the data is public

It's even worse than I imagined. The difference between night and day is colossal, we go from 40 GW to less than 5 GW or almost zero. We will also have to draw lines nearly half of the earth's circumference to benefit from other time zones where it is daylight when it is night elsewhere.

It is the thermal differences that drive the winds, and at night for lack of thermal energy, there is much less. I had forgotten this handicap of more intermittent energies, it is not only solar panels that no longer produce at night.
Finally, even these data are worrying when we see winter days below 10GW. It means maintaining the coal-fired power stations. The Germans are not about to shut down coal plants.

[Exnihiloest]

Today, the tide is turning in Germany, what a waste of materials that are difficult to recycle, late in the fight against RC ...

This delay is the positive point.
Fighting nature is futile.

[sicetaitsimple]

The Germans are not about to shut down coal plants.

However, they have just decided on a very precise closing schedule, year by year, for a release in 2038. It looks like this:

coal-exit-path-capacity-closures-felixmatthes1.jpg (194.56 KiB) Viewed 1551 times

[izentrop]

Today, the tide is turning in Germany, what a waste of materials that are difficult to recycle, late in the fight against RC ...

This delay is the positive point.
Fighting nature is futile.

"Fighting nature" is what man has been doing since playing with fossil fuels. He did not have the facilities before and on the contrary was doing with it.
A not so old example is: market gardeners installed in the city ring. Animal droppings were a manna to produce vegetables for townspeople. Insufficient example that you will sweep away quickly, I have no doubt.

Today the urgency is to fight against the time bomb that accompanies fossil fuels, something that you and yours deny with all their might.

[Meszigues3]

[quote = "Exnihiloest"]
Why not show us a more recent one? [Quote]
Never, never in my fucking life.
There are thousands of studies showing what you want to hear. You are looking on Google.
At your service of course if you have any difficulties.

“It's even worse than I imagined”. You discover the raw data of the real world; perfect, continue; good luck.

You have to dream, but not too much.

[izentrop]

The Germans are not about to shut down coal plants.

However, they have just decided on a very precise closing schedule, year by year, for a release in 2038.

They can only replace them with energy of the same type: gas and that does not change much to GHG emissions and they are more dependent on ruskoffs