Power reliability coming from wind turbines is found to be well below 10%, requiring ever-running backups from expensive natural gass units that emit CO2, while causing ever-increasing and costly problems with frequency transmission in the electricity network.
Read the whole article (in Greek): https://www.e-mc2.gr/el/news/neo-arnitiko-aioliko-rekor-kategrapse-i-ellada-ti-megali-ebdomada-piasame-pali-epidoseis