The Grand Tortue Ahmeyim (GTA) gas project, a joint venture between Senegal and Mauritania, has began gas production.
Officially launched by British Petroleum (BP) in January 2025, the project represents a new era of energy security for the region, with potential global impact.
Located along the maritime border between the two countries, the GTA field holds an estimated 20 trillion cubic feet of natural gas, equating to around 530 billion cubic meters. It is operated by a consortium led by BP (with a 53.3% stake), with Kosmos Energy and Senegal’s state oil company, PETROSEN, as partners (26.7% and 20% respectively).
The GTA project, discovered in 2015, aims to produce 10 million tonnes of liquefied natural gas (LNG) annually. This venture is seen as a catalyst for economic transformation in both Senegal and Mauritania, contributing to job creation and enhancing energy security while supplying global markets with natural gas.
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The project’s long development timeline culminated in January 2025 with a joint announcement from Senegal’s President Bassirou Diomaye Faye and BP, announcing the beginning of gas production.
In parallel, BP achieved a critical milestone in the development of the GTA Phase 1 project with the successful delivery of feed gas to the floating liquefied natural gas (FLNG) vessel, Gimi, on January 18, 2025. This development allowed full commissioning of the FLNG to begin, following prior advanced commissioning using gas from the LNG carrier British Sponsor. Full commercial operations are anticipated by the second quarter of 2025, with the first LNG export cargo expected by the first quarter.
The GTA Phase 1 development is poised to produce 2.3 million tonnes of LNG annually for over two decades. The project features Africa’s deepest subsea infrastructure, with wells reaching water depths of 2,850 meters. BP views the GTA as a cornerstone of its global portfolio, supported by approximately 15 trillion cubic feet of recoverable gas resources.
