Regarding the extensions of the transmission grid the latest monitoring report (in German only) is available here: https://data.netzausbau.de/Vorhaben/Monitorin

Regarding the extensions of the transmission grid the latest monitoring report (in German only) is available here: https://data.netzausbau.de/Vorhaben/Monitoring/Monitoringbericht_Q4-21.pdf https://data.netzausbau.de/Vorhaben/Monitoring/Monitoringber... About 25% is done or currently being build, about 50% is in the approval phase.