Greece has secured a 2,350 MW reservation of transmission capacity for the first phase of its offshore wind development programme, following approval by the Ministry of Environment and Energy. The measure is designed to secure access to the high-voltage electricity network for future offshore wind projects. It also confirms the marine areas to be included in the initial rollout.
The reserved grid capacity will be allocated exclusively to offshore wind developments. This is intended to provide the infrastructure support needed for Greece’s planned expansion of renewable generation. The first phase targets around 1.9 GW of installed offshore wind capacity.
Grid capacity allocation and flexibility for project delivery
In addition to the initial target, extra transmission capacity has been reserved to provide flexibility during project implementation. The additional margin is intended to allow developers to adjust project designs and modify technical solutions. It also covers potential changes that may emerge during development.
The largest share of the reserved capacity, 600 MW, is allocated to pilot offshore wind projects near Alexandroupoli. The projects are being developed by PPC, TERNA Energy and Motor Oil. The remaining capacity will be made available through future competitive tenders.
Competitive tender zones for offshore wind development
The competitive tenders are expected to cover six offshore wind zones. These include areas south of Rhodes, Agioi Apostoloi off Evia, Zakros in Crete, Donousa, Gyaros and the Gulf of Patras. The Gulf of Patras zone replaces a previously planned offshore wind area near Elounda in Crete.
The latest decision follows the creation of a special purpose vehicle by the Hellenic Hydrocarbons and Energy Resources Management Company (EDEYEP). The entity will oversee offshore and seabed surveys required before concession tenders can begin. ADMIE, financial institutions and energy sector representatives are expected to join the initiative as additional partners.
Offshore survey timeline and first concession tenders
The start of the offshore survey campaign has been delayed until autumn as preparations continue. Once required studies are completed and the National Offshore Wind Program receives final approval, Greece is expected to launch its first concession tenders for offshore wind development.
The expansion of offshore wind capacity is part of Greece’s renewable energy strategy. It is linked to decarbonisation targets and aims at increasing clean electricity generation while supporting Greece’s role as a regional energy hub in Southeast Europe.
