Southern Gas Corridor

Southern Gas Corridor
Name	Southern Gas Corridor
Location	Caspian Sea to Southern Europe
Country	Azerbaijan, Georgia, Turkey, Greece, Albania, Italy
General direction	East–West
Start	Shah Deniz gas field
Finish	Puglia
Through	South Caucasus Pipeline, Trans-Anatolian Natural Gas Pipeline, Trans Adriatic Pipeline
Type	Natural gas
Operator	BP, SOCAR, Snam, others
Construction	2014–2020
Commissioned	2020
Length km	3500
Capacity	31 billion cubic meters per year (planned)

Southern Gas Corridor. The Southern Gas Corridor is a major strategic energy infrastructure initiative designed to transport natural gas from the Caspian Sea region to European markets. Primarily sourcing gas from the Shah Deniz gas field in Azerbaijan, the corridor comprises a network of interconnected pipelines traversing multiple countries. Its development, led by a consortium of international energy companies, aims to enhance Europe's energy security by diversifying supply sources and routes away from traditional dependence on Russia. The corridor became fully operational in 2020, marking a significant shift in the Eurasian energy landscape.

Overview

The project represents one of the most complex and costly energy ventures of the early 21st century, involving an extensive chain of new and expanded pipeline systems. It was conceived to bring Caspian gas to the European Union via a southern route, bypassing Russian territory. Key objectives include supporting the energy policies of the European Commission and providing a commercial outlet for Azerbaijan's substantial gas reserves. The final investment decision for the corridor's core components was made in 2013, following years of intricate negotiations and feasibility studies.

History and development

Plans for a southern gas route to Europe gained momentum in the 2000s amid growing EU concerns over energy security, particularly after gas disputes between Russia and Ukraine. The selection of the Trans Adriatic Pipeline over the rival Nabucco pipeline project in 2013 was a pivotal moment. Construction phases for the various segments, including the expansion of the South Caucasus Pipeline and the building of the Trans-Anatolian Natural Gas Pipeline, progressed throughout the 2010s. The corridor officially opened with gas reaching Italy via the Trans Adriatic Pipeline in late 2020, following initial deliveries to Turkey in 2018.

Route and components

The corridor's route begins at the Sangachal Terminal in Azerbaijan, receiving gas from the Shah Deniz gas field. The first segment is the expanded South Caucasus Pipeline through Georgia to the Turkish border. It then connects to the Trans-Anatolian Natural Gas Pipeline, which crosses the entirety of Anatolia to the Greek border. From there, the Trans Adriatic Pipeline transports the gas across Northern Greece, Albania, and the Adriatic Sea to landfall in Puglia, Italy, connecting to the Italian natural gas transmission network. Key compressor stations are located at various points, including in Kipoi and Fier.

Participating countries and companies

The intergovernmental framework involves close cooperation between Azerbaijan, Georgia, Turkey, Greece, Albania, and Italy. The primary commercial consortium is led by BP and the SOCAR, with significant equity held by Snam, Eni, TotalEnergies, and Uniper. Other partners include BOTAS, Axpo, and Fluxys. The project has received political backing from institutions like the European Bank for Reconstruction and Development and has been a priority for the United States Department of State as part of its broader Eurasian energy diplomacy.

Strategic and economic significance

The corridor is a cornerstone of the European Union's energy diversification strategy, aimed at reducing reliance on imports from Gazprom. For Azerbaijan, it solidifies its role as a major gas exporter and strengthens its geopolitical standing. Transit countries like Georgia and Albania benefit from transit fees and enhanced energy interconnectivity. Economically, it provides a long-term market for Caspian gas and is seen as a potential backbone for a future integrated Southern European gas grid, possibly facilitating supplies from other regions like the Eastern Mediterranean.

Challenges and controversies

The project faced significant hurdles, including high construction costs, complex engineering across mountainous and seabed terrain, and securing financing. It has been criticized by Russia as commercially unviable and politically motivated. Environmental groups have raised concerns about impacts on protected areas like the Po Valley and the Adriatic Sea ecosystem. Geopolitical tensions in the South Caucasus, such as the Nagorno-Karabakh conflict, and diplomatic rows between Greece and Turkey over the Aegean Sea have periodically posed risks to the corridor's perceived stability.

Category:Natural gas pipelines Category:Energy infrastructure Category:International pipelines