More than a decade after its last large build-out, natural gas salt dome storage is undergoing a revival along the Gulf Coast as LNG exports and renewables raise demand and prices for the flexible storage option.

In February, Gulf Coast Midstream Partners LLC (GCM) filed with Texas regulators to build the region’s first greenfield salt dome in years. The Freeport Energy Storage & Sequestration Hub (FRESSH), in Fort Bend County near Houston would have a first phase of 12 Bcf working gas capacity. 

In Mississippi, Enstor Gas is seeking to double the number of caverns at its 22.4 Bcf Mississippi Hub to six for an additional 33.5 Bcf of working gas capacity. The company plans to start the approval process with FERC by the end of March and anticipates a startup in 2028.

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