Williams Partners joins with Southern Company, expands natgas pipeline capacity

TULSA, Okla. — Williams Partners L.P. and Southern Company Gas, a wholly owned subsidiary of Atlanta-based Southern Company, announced they have successfully placed into service their Dalton Expansion Project to provide additional reliable natural gas service to utility companies, a power company and a municipal entity in northwest Georgia.

The Dalton Expansion Project is an expansion of the existing Transco pipeline system designed to deliver natural gas to an electric generating facility in northern Georgia operated by Oglethorpe Power Corp., local distribution company Atlanta Gas Light, as well as the City of Cartersville. The pipeline lateral is co-owned by Williams Partners and Southern Company Gas and was approved by the Federal Energy Regulatory Commission (FERC) in August 2016.

The project added 115 mi of new steel pipe extending from Coweta County, Ga., to new delivery points in Paulding and Murray Counties, Ga. The pipeline was designed to transport approximately 448,000 dekatherms of natural gas per day (enough natural gas to meet the daily needs of about 2 MM homes).

Construction on the Dalton Expansion Project began in August 2016. With this expansion, the Transco pipeline’s system design capacity is increased to 14.2 MMdt/d. The pipeline has reliably served Georgia for more than 60 yr, delivering about one-third of all of the natural gas consumed in the state.

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