Midstream giant Williams said Wednesday that it has reached a deal to acquire a portfolio of Gulf Coast natural gas storage assets from an affiliate of Hartree Partners LP for $1.95 billion, capping a busy year for storage acquisitions and expansions.

The deal includes six natural gas storage facilities with a total capacity of 115 Bcf in Louisiana and Mississippi. Four are salt domes with a combined capacity of 92 Bcf, and two are depleted reservoirs with combined capacity of 23 Bcf.

Williams also is to acquire 230 miles of gas pipeline with 30 pipeline interconnects to markets including LNG terminals and Williams’ Transcontinental Gas Pipe Line Co. LLC (Transco).

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