Boardwalk Pipeline Partners, LP (NYSE: BWP) is a midstream master limited partnership that primarily provides transportation and storage of natural gas and liquids for our customers. Through our subsidiaries, we own and operate approximately 13,930 miles of interconnected natural gas pipelines, directly serving customers in thirteen states and indirectly serving customers throughout the northeastern and southeastern United States through numerous interconnections with unaffiliated pipelines. We also own and operate more than 435 miles of liquids pipelines in Louisiana and Texas.


In 2016, our pipeline systems transported approximately 2.3 trillion cubic feet (Tcf) of natural gas and approximately 64.8 million barrels (MMBbls) of liquids. Average daily throughput on our natural gas pipeline system during 2016 was approximately 6.3 Bcf. Our natural gas storage facilities are comprised of 14 underground storage fields located in four states with an aggregate working gas capacity of approximately 205 Bcf, and our liquids storage facilities consist of nine salt-dome caverns located in Louisiana with an aggregate storage capacity of 24 MMBbls. We also own three salt-dome caverns and a brine pond for use in providing brine supply services and to support the liquids storage operations.  


We serve a broad mix of customers, including producers, local distribution companies (LDCs), marketers, electric power generators, direct industrial users and interstate and intrastate pipelines.



 The following is a summary of each of our principal operating subsidiaries:

  • Texas Gas Transmission, LLC originates in Louisiana, East Texas and Arkansas and runs north and east through Louisiana, Arkansas, Mississippi, Tennessee, Kentucky, Indiana, and into Ohio, with smaller diameter lines extending into Illinois. Texas Gas directly serves LDCs, municipalities and power genrators in its market area, which encompasses eight states in the South and Midwest and includes the Memphis, Tennessee; Louisville, Kentucky; Cincinnati and Dayton, Ohio; and Evansville and Indianapolis, Indiana, metropolitan areas. Texas Gas also has indirect market access to, and receives supply from, the Northeast through interconnections with unaffiliated pipelines. A large portion of the gas delivered by the Texas Gas system is used for heating during the winter months.
    Texas Gas owns nine natural gas storage fields, of which it owns the majority of the working and base gas. Texas Gas uses this gas to meet the operational requirements of its transportation and storage customers and the requirements of its No-Notice Service (NNS) customers. Texas Gas also uses its storage capacity to offer firm and interruptible storage services.   


  • Gulf South Pipeline Company, LP is located along the Gulf Coast in the states of Texas, Louisiana, Mississippi, Alabama and Florida. Gulf South directly serves LDCs and municipalities located across the system, including New Orleans, Louisiana; Jackson, Mississippi; Mobile, Alabama; and Pensacola, Florida; and end-users located across the system, including the Baton Rouge to New Orleans industrial corridor and Lake Charles, Louisiana. Gulf South also has indirect access to off-system markets throughout the Northeast and Southeast through numerous interconnections with unaffiliated interstate and intrastate pipelines and storage facilities.

    Gulf South has ten natural gas storage facilities. The two natural gas storage facilities located in Bistineau, Louisiana and Jackson, Mississippi, have approximately 83.5 Bcf of working gas storage capacity that  Gulf South uses to offer firm and interruptible storage service, including NNS, and to support pipeline operations.  Gulf South also owns and operates eight high-deliverability salt-dome natural gas storage caverns in Forrest County, Mississippi, having approximately 46.0 Bcf of total storage capacity, of which approximately 29.6 Bcf is working gas capacity and owns undeveloped land that is suitable for up to five additional storage caverns.


  • Gulf Crossing Pipeline Company LLC originates near Sherman, Texas and proceeds to the Perryville, Louisiana area. Gulf Crossing indirectly serves markets in the Midwest, Northeast, Southeast, including Florida, through interconnections with Gulf South, Texas Gas and unaffiliated pipelines.

  • Boardwalk Field Services, LLC operates natural gas gathering, compression, treating and processing infrastructure primarily in South Texas.   


  • Boardwalk Louisiana Midstream, LLC provides transportation and storage services for natural gas, natural gas liquids and ethylene and brine supply services for producers and consumers of petrochemicals, through two hubs in southern Louisiana - the Choctaw Hub in the Mississippi River Corridor area and the Sulphur Hub in the Lake Charles area. These assets provide approximately 71.4 MMBbls of salt dome storage capacity, including approximately 7.6 Bcf of working gas natural gas storage capacity; significant brine supply infrastructure; and approximately 270 miles of pipeline assets, including an extensive ethylene distribution system. Boardwalk Louisiana Midstream also owns and operates the Evangeline Pipeline (Evangeline), an approximately 180-mile interstate ethylene pipeline that is capable of transporting approximately 2.6 billion pounds of ethylene per year between Port Neches, Texas, and Baton Rouge, Louisiana, where it interconnects with our ethylene distribution system and storage facilities at the Choctaw Hub. Throughput for Boardwalk Louisiana Midstream was 64.8 MMBbls for the year ended December 31, 2016.


 BWP System Map as of 01-01-15