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About the project

Natural gas is a critical component of the mix of energy sources necessary to meet the region’s growing energy needs. The affordability and abundance of natural gas has created tremendous opportunities for consumers in the northeastern U.S. New York City, in particular, has experienced its cleanest air in over 50 years thanks to increased natural gas use.

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Williams operates the Transco pipeline – a 10,000-mile interstate transmission pipeline system which transports much of the natural gas consumed in the northeastern United States. This critical energy infrastructure reliably provides much of the natural gas consumed in the northeastern U.S. The company is currently developing the Northeast Supply Enhancement project to expand and upgrade the existing energy infrastructure in Pennsylvania, New Jersey and New York to provide consumers access to an additional 400 million cubic feet of natural gas per day (enough natural gas to serve the daily needs of about 2.3 million homes) in time for the 2020 winter heating season.

The Northeast Supply Enhancement project will provide service to National Grid – the largest distributor of natural gas in the northeastern United States. Once complete, the project will serve growing natural gas demand in the Northeast, including the 1.8 million customers served by National Grid in Brooklyn, Queens, Staten Island and Long Island.

National Grid has experienced significant growth in the need for natural gas across its service area in New York City and Long Island.  That growth is expected to continue by more than 10 percent over the next 10 years. Much of that growth is due to continued conversion of oil heat to natural gas as well as increased demand from existing and new construction. National Grid is converting approximately 8,000 customers per year from oil to natural gas in New York City and Long Island.  The Northeast Supply Enhancement project will help ensure that reliable gas supplies are available to support these conversions, ultimately allowing National Grid to displace approximately 13 million barrels of heating oil and reduce CO2 emissions in New York City and Long Island by up to 3 million tons per year.  The CO2 emission reductions are the equivalent of removing nearly 500,000 cars from the road. In addition, these conversions will ultimately reduce local emissions by 4,300 tons per year, including smog, acid rain and particulates that have negative health and environmental effects. Emissions such as NOx, SOx, and particulate matter directly impact local air quality and are measured as local pollutants while CO2 emissions are a global climate pollutant.