FERC issued a preliminary determination on nonenvironmental issues May 17 for the Southeast Supply Header project, a 270-mile pipeline running from the Perryville Hub to a connection Near Mobile County, AL, with Gulfstream Natural Gas, sponsored in part by Southern Natural Gas, subsidiaries of Centerpoint Energy and Spectra Energy. On the same day the Commission had authorized an expansion of Centerpoint's connecting pipeline project, the Carthage-Perryville Line CP (see separate story).

The first 115.4 miles of the new line will have a capacity of 1.14 Bcf/d, while the remaining 154 miles will have a capacity of 1 Bcf/d. Southern Natural and the Southeast Supply Header (SESH) partnership of Centerpoint and Spectra will jointly own the first segment and SESH alone will own the second segment. The project received a preliminary environmental nod in late April (see Daily GPI, April 30). The Federal Energy Regulatory Commission must still issue a final environmental impact statement for the project to go ahead.

Specifically, the project calls for the construction of 104 miles of 42-inch diameter pipeline extending southeasterly from Richland Parish, LA, to Lawrence County, MS; approximately 165 miles of 36-inch diameter pipeline extending southeasterly from Lawrence County to Mobile County, MS; 1.7 miles of various diameter laterals in several counties in Mississippi and Alabama; and three new gas mainline compressor stations and two gas booster compressor stations in Mississippi.

The proposed SESH system is designed to bring new supplies, including those from the Barnett Shale and Bossier Sands, as well as regasified liquefied natural gas, to the Southeast market.

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