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“Dunkelflaute” (weeks without PV or wind) in Germany are a reality: https://amp.zdf.de/nachrichten/zdfheute-live/dunkelflaute-winter-fossile-energie-klimaschaed

“Dunkelflaute” (weeks without PV or wind) in Germany are a reality: https://amp.zdf.de/nachrichten/zdfheute-live/dunkelflaute-winter-fossile-energie-klimaschaedlich-video-100.html https://amp.zdf.de/nachrichten/zdfheute-live/dunkelflaute-wi... Fraunhofer is a leading (independent) research institute: https://www.ise.fraunhofer.de/de/daten-zu-erneuerbaren-energien.html https://www.ise.fraunhofer.de/de/daten-zu-erneuerbaren-energ...

throwbadubadu 3y ago
I know what Frauenhofer is.. so we agree Frauenhofer does not "provision" 100% fossil, or what sense should this sentence have made then?? If anything (I mean they have very different branches, with different stances, I worked with one back then in partnership student time) they are generally an advocate of renewables? At least the ISE, IBP, IEE.. which not please??? Also think big for the future, I asked about Europe... it is about scale. Sure if I limit it down, I can also claim: Sun never shines in my backyard.
- looping__lui 3y ago
  The Fraunhofer acknowledges in their simulations that doubling gas by 100% and having 100% covered by gas plants is necessary. That is if we double the renewables and install 500-600% of the required capacity by 2030. You cannot run Germany solely on renewables. It has one of the highest carbon footprints per kWh in Europe and will continue to have twice the carbon footprint of France by 2030 IF all the expansion plans for renewables work out.
  - throwbadubadu 3y ago
    Oh come on, you make up new limits and constraints each time on each response.. You can run the world solely on renewables given enough effort and time, is a similar ridiculous counter to you now bringing up 2030..... pathetic really. Building new nuclear plants, or just recertifying the old ones accordingly to current standards and supplying them with enough fuel would have been possible til 2030, right? Again, Frauenhofer is a diverse large body with multiple branches, they have also studies about cost and way to Germany on fully renewables 2050, without 100% gas backup - which study are you citing please?
    - looping__lui 3y ago
      https://www.ise.fraunhofer.de/content/dam/ise/de/documents/publications/studies/Fraunhofer-ISE-Studie-Wege-zu-einem-klimaneutralen-Energiesystem.pdf https://www.ise.fraunhofer.de/content/dam/ise/de/documents/p... Page 25 (page number not PDF page) They also have some comprehensive tools for simulation - but I’m a bit too lazy to dig up all the explanation.

throwbadubadu 3y ago

I know what Frauenhofer is.. so we agree Frauenhofer does not "provision" 100% fossil, or what sense should this sentence have made then?? If anything (I mean they have very different branches, with different stances, I worked with one back then in partnership student time) they are generally an advocate of renewables? At least the ISE, IBP, IEE.. which not please??? Also think big for the future, I asked about Europe... it is about scale. Sure if I limit it down, I can also claim: Sun never shines in my backyard.

looping__lui 3y ago
The Fraunhofer acknowledges in their simulations that doubling gas by 100% and having 100% covered by gas plants is necessary. That is if we double the renewables and install 500-600% of the required capacity by 2030. You cannot run Germany solely on renewables. It has one of the highest carbon footprints per kWh in Europe and will continue to have twice the carbon footprint of France by 2030 IF all the expansion plans for renewables work out.
- throwbadubadu 3y ago
  Oh come on, you make up new limits and constraints each time on each response.. You can run the world solely on renewables given enough effort and time, is a similar ridiculous counter to you now bringing up 2030..... pathetic really. Building new nuclear plants, or just recertifying the old ones accordingly to current standards and supplying them with enough fuel would have been possible til 2030, right? Again, Frauenhofer is a diverse large body with multiple branches, they have also studies about cost and way to Germany on fully renewables 2050, without 100% gas backup - which study are you citing please?
  - looping__lui 3y ago
    https://www.ise.fraunhofer.de/content/dam/ise/de/documents/publications/studies/Fraunhofer-ISE-Studie-Wege-zu-einem-klimaneutralen-Energiesystem.pdf https://www.ise.fraunhofer.de/content/dam/ise/de/documents/p... Page 25 (page number not PDF page) They also have some comprehensive tools for simulation - but I’m a bit too lazy to dig up all the explanation.