For a project to be included in the list, it had to demonstrate significant benefits for at least two Member States; contribute to market integration and further competition; enhance security of supply, and reduce CO2 emissions.
Loetellu pääsev projekt peab tooma tõendatavat ja olulist kasu vähemalt kahele liikmesriigile, aitama lõimida turgu ja suurendada konkurentsi, suurendama varustuskindlust ja vähendama CO2-heidet.