Positive
Project advancing - milestone achieved
High Impact
Major milestone or critical setback
The DEDDIE 2026–2030 network development appendices list the Pilio–Skiathos mainland-to-island submarine connection with configuration "2, 3 x 150 Al, 20" and technical data, recorded with the year 1989 in the Volos (ΔΠΚΕ) area, indicating that this circuit has been in operation since 1989 at full commercial service.