Columbia Gas Transmission Corporation

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Gas Pipelines in USA

NiSource Gas Pipelines

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Summary Information

  • Source: Kentucky
  • Destination: Various points in the North East
  • Ownership: NiSource Gas
  • Website:
  • Length: kilometres (12,000 miles)
  • Capacity: 9.4 Bcf per day
  • Status: Operating


  • Columbia Gas Transmission transports an average of 3 billion cubic feet of natural gas per day through a nearly 12,000-mile pipeline network and 92 compressor stations in 10 states
  • Columbia Gas Transmission also owns and operates one of North America‚Äôs largest underground natural gas storage systems that includes 37 storage fields in four states with over 650 billion cubic feet in total capacity.
  • Columbia has an extensive network of natural gas pipelines that provide service in the region to the States of Maryland, New Jersey, New York, Pennsylvania, Virginia, and West Virginia, but also extends into Ohio in the Midwest and Kentucky and North Carolina in the Southeast Region.
  • Columbia receives Gulf-of-Mexico natural gas at the Kentucky border from its major trunkline transporter, Columbia Gulf Transmission Gas Pipeline, but it also transports Appalachian (regional) production as well.
  • Columbia Gas Transmission connects with the Panhandle Eastern Gas Pipeline, the Tennessee Gas Pipeline at the Milford Compressor station in Pennsylvania and the Millennium Gas Pipeline at the Wagoner metering station in New York
  • Gas can be supplied from the Rockies Express Gas Pipeline at Lebanon, Ohio


  • 1996 - Expansion project completed
  • 1997 - Market Expansion I & Commonwealth PL Expansion
  • 1998 - Market Expansion II, Entergy Electric Laterals & TVA Electric Laterals
  • 1999 - Mainline Expansion & Market Expansion III
  • 2001 - Vicksburg Lateral completed
  • 2002 - Ohio 2002 Expansion completed
  • 2003 - Rock Springs Expansion completed
  • 2006 - Line 1278 Replacement completed
  • 2007 - Hardy Storage Project completed
  • 2008 - East Lateral Ryane Expansion & Line A-5 Replacement completed
  • 2009 - Appalachian Expansion Project & Eastern Market Expansion enters service
  • 2010 - Cobb Expansion Project completed
  • 2012 - East Side Expansion Project launched, designed to transport Marcellus Shale gas
  • 2013 - Columbia Gas launches major modernisation programme

Other Information

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  1. Natural Gas Pipelines in the Northeast Region, EIA
  2. EIA Natural Gas Pipeline Projects
  3. NiSource Gas Transmission & Storage unit accepting bids for capacity into eastern markets
  4. NiSource Gas Transmission & Storage Company announces Appalachian Expansion Project in service
  5. Columbia Gas Transmission Moving Forward With East Side Expansion Project
  6. Columbia Gas Transmission Receives FERC Approval of Customer Settlement
  7. Columbia Gas Transmission Announces Federal Approval for Line MB Extension

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