Chester County Projects

Pipeline
Operator
Project Name and Description Product Type Interstate or Intrastate? Location
Sunoco
Pipeline / Energy Transfer
Mariner East 2
The Mariner East 2 (Pennsylvania Pipeline Project) project will expand the existing Mariner East service to deliver natural gas liquids from the Marcellus and Utica Shale regions for distribution to both domestic and international markets via a new 20-inch pipeline.
Natural Gas Liquids: Ethane, Propane Interstate Map
Eastern
Shore
Natural
Gas
2017 Expansion Project
The 2017 Expansion Project consists of: 33 miles of pipeline looping in Pennsylvania, Maryland and Delaware (including 12 miles in Chester County); upgrades to existing metering facilities in Lancaster County; installation of an additional compressor unit at the existing Daleville Compressor Station in Chester County; and approximately 17 miles of new pipeline mainline extension and two pressure control stations in Sussex County, Delaware.
Natural Gas Interstate (FERC) Map
Williams Transco Pipeline Northeast Supply Enhancement Project
This project is proposed to meet the increasing demand for natural gas in the northeast. Within Chester County, work will be limited to the installation of an electric compressor station at Station 200 in East Whiteland Township. Approximately 35 miles of new pipeline is proposed in Pennsylvania, New Jersey and New York waters along with an additional compressor station in Somerset County, New Jersey.
Natural Gas Interstate (FERC) Map
Texas Eastern/
Spectra Energy
Greater Philadelphia Expansion Project
This project currently does not propose building new greenfield pipelines, but proposes to expand the existing pipeline, through larger diameter pipes, and looping new pipes along the existing line that runs from the Eagle Compressor Station, down to the Chester Junction in Delaware County.  This project is in an early phase and, as more information is made available, it will be included here.
Natural Gas Interstate (FERC) Map
Adelphia Gateway/New Jersey Resources Adelphia Gateway
The Adelphia Gateway project will repurpose the remaining 50 miles of an existing 84-mile pipeline in southeastern Pennsylvania from oil to natural gas. The northern 34 miles of the pipeline — extending from western Bucks County to Martins Creek Terminal in Northampton County — were converted to deliver natural gas in 1996.
Natural Gas Intrastate Map

Completed Projects

Pipeline
Operator
Project Name and Description Product Type Interstate or Intrastate? Location
Texas Eastern/Spectra Energy Marcellus to Market
Inactive
The main goal of the M2M Project is to increase capacity from Texas Eastern's existing Lambertville Station (Hunterdon County, NJ) to Eagle Station (Chester County, PA) while allowing for operational flexibility to manage changing flow directions due to increased receipts at Lambertville Station. Project activity in Chester County would occur at the existing Meter and Regulating (M&R) Station in East Vincent Township and the existing Eagle Station in Upper Uwchlan Township.
Natural Gas Interstate (FERC) Map
Williams Transco Pipeline New York Bay Expansion Project
In Chester County, this project proposes upgrades to the Downingtown Meter Station in East Brandywine as well as at the existing Compressor Station 200, located in East Whiteland Township.
Natural Gas Interstate (FERC) Map
Columbia
Pipeline
Group
East Side Expansion
Installation of new natural gas pipelines with approximately 9.5 miles in Chester County and 9.5 miles in Gloucester County, NJ. Modifications and upgrades to facilities are also proposed in Northampton, Pike, Bucks and Montgomery Counties in PA, as well as Orange County, New York, and Harford County, Maryland. This project has been completed.
Natural Gas Interstate (FERC) Map
Sunoco
Pipeline / Energy Transfer
Mariner East 1
Mariner East 1 is a project to build and connect an approximately 50-mile pipeline with existing lines to move ethane and propane from operations in Western Pennsylvania to the Marcus Hook facility along the Delaware River.
Natural Gas Liquids: Ethane, Propane Intrastate Map
Eastern
Shore
Natural
Gas
White Oak Mainline Expansion
This project is comprised of approximately 7.2 miles of 16 inch diameter pipeline looping and appurtenant facilities in Chester County and 3,550 horsepower of additional compression at the existing Delaware City Compressors Station in New Castle County, DE. The proposed route will use a combination or existing right-of-way and, in some areas, the purchase of easements for facilities or temporary work spaces for construction activities will be needed.
Natural Gas Interstate (FERC) Map

Other Regional Projects

Pipeline
Operator
Project Name and Description Product Type Interstate or Intrastate? Location
Williams Transco Pipeline Atlantic Sunrise
The Atlantic Sunrise Project will connect producing regions in northeastern Pennsylvania to markets in the Mid-Atlantic and southeastern states, as far south as Alabama. The preliminary project design includes a total of approximately 178 miles of new greenfield pipe (Central Penn North & Central Penn South), two pipeline loops totaling about 12 miles (Chapman Loop, Unity Loop), two and half miles of existing pipeline replacement, two new compressor facilities in Pennsylvania, and other facility additions or modifications in five states (Pennsylvania, Maryland, Virginia, North Carolina, South Carolina.
Natural Gas Interstate (FERC)
Williams Transco Pipeline Rock Springs
The Rock Springs Expansion project is proposed to consist of 11.17 miles of new 20-inch diameter steel pipeline (10.12 miles in Lancaster County and 1.05 in Cecil County) extending from the existing Transco pipeline in Lancaster County, Pa., and terminating at the Wildcat Point facility, approximately five miles from the town of Rising Sun in Cecil County, Maryland. Additionally, Williams is proposing to construct a 4,000 horsepower, electric motor-driven compressor and metering facility at the terminus of the lateral in Cecil County, as well as other piping and valve modifications to existing facilities.
Natural Gas Interstate (FERC) Map
PennEast
Pipeline
Company, LLC
PennEast Pipeline
As proposed, this pipeline will cross through the following counties: Luzerne, Carbon, Northampton and Bucks Counties in Pennsylvania, and Hunterdon and Mercer Counties in New Jersey. It will be a new, 108-mile, 36-inch diameter pipeline and will deliver 1 billion cubic feet of natural gas per day (enough to heat 4.7 million homes). PennEast is planning to co-locate 50% of the pipeline within existing right of ways.
Natural Gas Interstate (FERC) Map