Electricity for only 1 cent/kWh?

The sharply increased energy prices since 2021 (electricity, gas, oil) make alternatives (wind and solar) more attractive.

Electricity generation from photovoltaics has become much cheaper in recent years. Informative articles:
https://www.dw.com/de/wo-lohnen-sich-solarparks-photovoltaik-stromkosten-floating-pv-agri-pv/a-57945237
https://ecoreporter.de/artikel/wind-und-solarstrom-kosten-der-erzeugung-schon-unter-4-cent/
Fraunhofer ISE

Further rising electricity prices?

"Alarming electricity shortfall", broadcast "plusminus", 06.10.2021
https://www.daserste.de/information/wirtschaft-boerse/plusminus/videos/plusminus-05-10-2021-besorgniserregende-stromluecke-video-100.html

Own photovoltaic system?

Consumer Advice Center
https://www.test.de/Photovoltaik-Rechner-1391893-0/
https://www.test.de/thema/photovoltaik/
https://www.test.de/shop/eigenheim-miete/photovoltaik-batteriespeicher-sp0618/

Plug-in solar devices for the balcony?

https://www.test.de/Photovoltaik-Wann-sich-Stecker-Solargeraete-fuer-den-Balkon-lohnen-5501703-0/

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