Project Snapshot
300 Line Expansion Project
Facility Type: Pipeline
Scope: Expansion
Owner: Tennessee Gas Pipeline Co. (El Paso Corp.)
Location: Charleston County, Pa. to Passaic County, N.J.  United States
Region: North America
Modified:  October 05, 2010
Images:


In its 300 Line Expansion Project, El Paso Corp. subsidiary Tennessee Gas Pipeline Co. is expanding its 300 Line to transport new diversified natural gas supplies, including newly accessed Appalachian and Marcellus shale gas, to serve the growing demand for interstate natural gas transmission service in the northeastern United States. The 300 Line project replaces a previously announced Northeast Passage Project, which would have linked the Rockies Express Pipeline to Northeast markets.

The 300 Line Expansion calls for installing seven looping segments in Pennsylvania and New Jersey totaling approximately 127 miles of 30-inch pipeline. Also, it entails adding approximately 55,000 horsepower (HP) following the installation of two new compressor stations and upgrades at seven existing compressor stations. The additional HP will be constructed at two new compressor stations to be located in northwestern Pennsylvania, at two existing compressor stations in Pennsylvania, and at an existing compressor station in New Jersey.

Tennessee also will upgrade or restage compressors at three existing stations, and it will add a filter separator to one existing compressor station. In an effort to capture efficiencies and increase reliability, Tennessee also will replacing HP at four of the previously mentioned existing compressor stations.

Upon completion, Tennessee expects that the Project will increase natural gas delivery capacity in the region by approximately 300,000 dekatherms per day. The project would provide access to diversified natural gas supplies from Gulf Coast, Appalachian, Rockies, and Marcellus Shale supply areas, and gas deliveries to points along the 300 Line path and into various interconnections with other pipelines in northern New Jersey, as well as an existing delivery point in White Plains, N.Y.

The route will generally follow an existing Tennessee pipeline corridor wherever practicable. Tennessee held an open season for this Project during 2008 and has executed a binding precedent agreement with a shipper (Equitable Energy, LLC) for the full capacity of the Project.

In May 2010, the project won approval from the Federal Energy Regulatory Commission (FERC). El Paso expects the expansion to be in service by November 2011.

  Key Stats
Pipeline type:
natural gas
Diameter:
30-inch
Capacity:
300,000 dekatherms
Length:
128-miles
In service:
2011
Committed capacity :
Equitable Energy LLC, a subsidiary of Equitable Energy, executed a binding precedent agreement for a 15-year term and was awarded 300,000 Dth/d, which represents 100 percent of the project's capacity.
  Related Articles
TGP Awards Willbros 300 Line Contract
Jul 07, 2010 - Willbros Group, Inc. announced Tuesday that its Upstream Oil & Gas Segment has been awarded a detailed design and engineering services contract by a subsidiary of El Paso Corp.
FERC Clears El Paso's 300 Line Project
May 19, 2010 - El Paso has received FERC approval for its 300 Line Project, which will boost availability of Appalachian natural gas supplies.
Tennessee Gas Pipeline Announces 300 Line Expansion
Aug 06, 2008 - Tennessee Gas Pipeline Co. ("Tennessee"), a wholly owned subsidiary of El Paso Corp., on Tuesday announced the results of a binding open season for its 300 Line Expansion Project.



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