GREGY-Green Energy Interconnector, Egypt-Greece March 2, 2023 | Middle East & Africa Project Update, Project Update GREGY Green Energy Interconnector is a proposed 3 GW high voltage direct current (HVDC) interconnection from Wadi-El-Natroon (Egypt) to the Attica area of Greece. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password