The Greenstream pipeline, part of the Western Libyan Gas Project, is a natural gas submarine pipeline running from western Libya to the island of Sicily in Italy.

[1][3] The Greenstream pipeline is 540 kilometres (340 mi) long and it runs from Mellitah in Libya to Gela, in Sicily, Italy.

[4] It includes also the Mellitah compressor station and the Gela reception terminal.

[1] The pipeline has a diameter of 32 inches (810 mm) and an initial capacity of 8 billion cubic meters (bcm) of natural gas per year.

[5][1] The pipeline is constructed and owned by Agip Gas BV, a joint venture of the Italian energy company Eni and the National Oil Corporation (NOC) of Libya.