The TYNDP is published every two years. The TYNDP 2018 package includes scenarios to 2025, 2030 and 2040, as well as an infrastructure report, gas regional

The 5th PCI list will be adopted by the European Commission by the end of 2021 under the existing regulation on Trans-European Energy Networks (TEN-E).

Regulation (EU) No 347/2013 on guidelines for trans-European energy infrastructure.