Six Caspian leaders endorse cross-sea green energy corridor at Awaza on 8 October

The eighth Consultative Meeting of the Heads of State of Central Asia and Azerbaijan, held on 8 October 2026 at the Awaza National Tourist Zone in Turkmenbashi, Turkmenistan, produced two signed documents and an endorsed energy infrastructure programme that analysts at News Central Asia described as the first full-fledged six-country summit in the format's history. President Ilham Aliyev of Azerbaijan, attending as a full participant for the first time, joined Presidents Serdar Berdimuhamedov of Turkmenistan, Kassym-Jomart Tokayev of Kazakhstan, Shavkat Mirziyoyev of Uzbekistan, Sadyr Zhaparov of Kyrgyzstan and Emomali Rahmon of Tajikistan in signing a Joint Statement and a Decision on Regulatory Documents that formally constitutes what participants termed the 'C6' format. Azerbaijan had been admitted to the process at a Tashkent meeting in November 2025.

What the regulatory documents establish

The Decision on the Regulatory Documents gives the six-country consultative meeting a standing procedural framework, including a rotating chairmanship. Turkmenistan held the first chair in 2026 as the host of the inaugural C6 gathering; Azerbaijan will assume the chairmanship in 2027. APA.az, the Azerbaijani state news agency, reported the document signing directly and named all six signatories. The legal character of the framework is consultative rather than treaty-based, meaning its outputs require domestic implementation to bind state actors, but the regulatory decision establishes norms for the format that were absent in the earlier five-country meetings.

President Berdimuhamedov, as host, opened the session and framed the expanded format as uniting the two shores of the Caspian Sea into a single strategic space, according to reporting by News Central Asia. President Mirziyoyev proposed moving toward what he called a '6 economies, 1 product' formula, advancing intra-regional trade from its current level of $13 billion toward a $20 billion target by developing cross-border industrial parks and joint market access, according to APA.az.

The Caspian Green Energy Transmission Corridor

The most technically specific endorsement at Awaza concerned the Caspian Green Energy Transmission Corridor, a jointly developed project among Azerbaijan, Kazakhstan and Uzbekistan that the three governments first agreed in principle in Baku in November 2024. President Aliyev confirmed at the summit that the three countries are working together to create the corridor, according to APA.az. The project, as detailed by Kazakhstan's national grid operator KEGOC and reported by Trend.Az, involves constructing converter substations in Aktau and Baku and laying a direct-current subsea cable of approximately 350 to 400 kilometres along the Caspian seabed. That cable is designed to carry renewable electricity generated in Kazakhstan and Uzbekistan into the Azerbaijani transmission system for westward export.

A feasibility study whose first phase is due for completion in May 2027 has already confirmed the project's viability, according to Trend.Az. The broader Caspian–Black Sea–Europe corridor, which integrates the Caspian subsea link with an onward Black Sea crossing managed under a separate joint venture called GECO, carries a total confirmed capacity of 3,900 MW. The Black Sea segment runs 1,195 kilometres and is rated at 1,000 MW, with an early-2030s commissioning target. KEGOC has described the two corridors as ultimately forming a single supply chain for renewable electricity flowing from Central Asia to European markets, with Hungary and Romania as the primary receiving states. Both legs are expected to reach commissioned status from 2032.

Transport, digital infrastructure and water governance

Beyond the energy corridor, summit communiqués addressed three further infrastructure priorities. First, leaders highlighted double-digit growth in cargo transit volumes along the Middle Corridor — the trans-Caspian overland and sea route linking Central Asia to Europe via Azerbaijan and Turkey — and called for eliminating remaining tariff bottlenecks. Second, a Digital Silk Way project involving the laying of a seabed fibre-optic cable alongside the planned energy cable was discussed as complementary infrastructure. Third, the six states committed to working toward a Central Asian Framework Convention on Water Resources Management, with a proposed international water organisation to be established under UN auspices. News Central Asia reported these as among the four co-operation pillars formalised at the meeting, alongside economic integration, security, and digital governance.

The Awaza summit does not resolve the structural obstacles that have historically constrained Caspian energy connectivity: Russia's opposition to the Trans-Caspian Pipeline has not formally changed, and the 2018 Convention on the Legal Status of the Caspian Sea left seabed demarcation rules to bilateral agreement among adjacent littoral states. The C6 endorsement of the green energy corridor does not by itself secure financing, resolve the Kazakhstan–Turkmenistan seabed boundary question relevant to a subsea cable crossing, or commit Russia or Iran — the two non-participant littoral states — to facilitate the project. What it does establish is a multilateral record of intent that Azerbaijan and the three Central Asian co-developers can cite in negotiations with European counterpart institutions, including the European Commission, which co-funded the corridor's feasibility study under its Global Gateway programme.

Sources

• APA.Az — Document signing ceremony held in Turkmenbashi
• APA.Az — President: Azerbaijan working with Kazakhstan and Uzbekistan to create green energy corridor
• APA.Az — Shavkat Mirziyoyev: We should move to the '6 economies, 1 product' formula
• News Central Asia — First Consultative Meeting of Heads of State of Central Asia with Participation of Azerbaijan
• News Central Asia — Awaza Summit Part 1
• Trend.Az — Caspian and Black Sea green energy corridors planned for integration (KEGOC)
• Trend.Az — Turkmenistan to host Central Asia-Azerbaijan summit in Awaza on October 8, 2026
• Azernews — President Ilham Aliyev arrived at Awaza Complex to attend 8th Consultative Meeting
• Azertag — Azerbaijan, Central Asia determined to ensure regional security
• Astana Times — How Kazakhstan, Azerbaijan and Uzbekistan Plan to Link Central Asian Green Power to Europe