Williams is pursuing an expansion of its Transco interstate natural gas pipeline to provide additional service to natural gas consumers in New Jersey and New York in time for the 2020/2021 winter heating season. The Gateway Expansion Project has been designed to provide up to 65,000 dekatherms per day of natural gas transportation service to northeastern consumers — enough natural gas to meet the daily needs of about 300,000 homes. Williams has executed agreements with PSEG Power and UGI Energy Services for firm transportation service under the Gateway Expansion Project.
Natural gas demand in the Northeast continues to increase, in large part due to its abundance, environmental advantages and affordability when compared with other energy sources. Clean-burning natural gas currently produces one-third of all electric generation and heats about half of all U.S. homes – and those numbers continue to climb.
PSEG is New Jersey’s largest provider of electric and gas service –serving 2.2 million electric customers and 1.8 million gas customers. UGI Energy Services supplies and markets natural gas, liquid fuels, and electricity to 40,000 customer locations across the Mid-Atlantic and Northeastern US.
The Transco pipeline delivers about half of the natural gas consumed in New Jersey and New York City. Because the existing Transco pipeline capacity is fully utilized, the Gateway Expansion Project allows additional natural gas volumes to be transported to northeastern consumers. An abundant, reliable supply of natural gas is critical to help reduce carbon emissions and provide the flexibility needed to support a growing renewables component in power generation.
The Gateway Expansion Project has been designed to minimize impacts to landowners and the environment by increasing the utilization of existing pipeline infrastructure. Virtually all of the project activities are within Transco’s existing rights of way and/or property boundaries.
The project will require the installation of additional electric horsepower at an existing Transco compressor station in Essex County, N.J., (Station 303) in addition to modifications to an existing Transco meter station in Essex County and the replacement of an existing Transco meter station in Passaic County, N.J.
Station 303 Horsepower Addition
Transco Station 303 is an existing electric motor driven compressor facility in Roseland, N.J. The Gateway Expansion project proposal would require adding a 27,500 horsepower electric motor driven compressor unit to the facility. This proposed horsepower addition will result in zero air emissions.
Meter Station Modifications
Meter stations are used to measure the flow of gas from the transmission pipeline to the pipeline customer. As part of this project, Transco would replace components of the existing above-ground metering facility in Paterson, N.J., with new, state-of-the-art equipment and buildings. The majority of this work will be confined to the existing facility footprint.
The proposal also includes the installation of a new valve at the existing meter and regulating facility in Roseland, N.J.
Interstate natural gas pipelines are regulated by the Federal Energy Regulatory Commission (FERC). As such, FERC requires pipeline operators to obtain a federal Certificate of Public Convenience and Necessity, in addition to various state permits, before any pipeline facilities can be built.
- November 2017 – FERC filing
- Summer 2019 – Construction
- Winter 2020/2021 – In service
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