[REVISION HISTORY]

Greece‑Cyprus Great Sea Interconnector advances

Updated 29 times since CLSTR started tracking revisions of this situation.

What changed

2026-09-13 17:54 UTC → 2026-09-15 10:08 UTC · added ~~removed~~

The Great Sea Interconnector (GSI) continues to advance despite regulatory and geopolitical complexities. By late August 2026, the project faced potential delays due to pending regulatory decisions in Nicosia, specifically regarding €50 million in outstanding electricity transmission system usage fees for 2024 and 2025. Technical planning is ongoing, with stakeholders including ADMIE, Nexans, and Meridiam coordinating the next phase. While seabed surveys are complete within Greek and Cypriot territorial waters, research in international waters east of Kasos and west of Cyprus is still required. Project partners expressed a preference for using a specialized French vessel for these upcoming international surveys, rather than the Italian vessel used previously. If financial and regulatory hurdles in Cyprus are resolved, companies intend to request a NAVTEX for October to begin maritime operations. In early September 2026, Greek authorities clarified the project’s licensing framework, asserting that the interconnection is licensed exclusively by Greece within its maritime jurisdiction under international law. While Meridiam has moved forward as the majority shareholder, cable manufacturer Nexans has not yet received the full order to commence work. The project remains sensitive due to overlapping maritime claims between Greece and Turkey. By ~~September 12,~~ mid-September 2026, the project ~~reached~~ entered a critical implementation ~~stage. Cypriot~~ phase. Greek Prime Minister Kyriakos Mitsotakis and French President ~~Nikos Christodoulides noted that~~ Emmanuel Macron met in Paris to coordinate efforts following the ~~involvement~~ takeover of a the GSI company by the French investment ~~company has been “decisive for both economic and geopolitical reasons.”~~ group Meridiam. The project has secured 657 million euros in funding from the European Commission. ~~During high-level meetings in Paris, Greek Prime Minister Kyriakos Mitsotakis and French~~ To support the transition to field operations, Cypriot President ~~Emmanuel Macron coordinated efforts on~~ Nikos Christodoulides agreed to contribute 25 million euros from the ~~initiative, which follows Meridiam taking control~~ Republic of Cyprus, with the ~~GSI company. Despite progress, geopolitical tensions persist. Cypriot Energy Minister Michalis Damianos emphasized~~ payment scheduled upon the ~~need for deep-sea research in~~ issuance of a NAVTEX. Additionally, the ~~Aegean to map seabed routes, with~~ Greek ~~authorities expected to issue a NAVTEX to facilitate this.~~ Independent Power Transmission Operator (ADMIE) has included the interconnection in its 10-year investment program for 2027-2036.

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