There are certain minor interstate pipeline systems that wholly serve the natural gas Pipeline needs of the Northeast Region. One system that has a daily capacity of 0.1 Bcf is run by Equitrans Inc. and delivers natural gas Pipeline to western Pennsylvania Gas Pipeline and West Virginia. Gas Pipeline Systems like this from Equitrans Gas Pipeline were set up to shift local production into the regional markets. At one time, the biggest natural gas producers in the Northeast Gas Pipeline includes West Virginia Gas Pipeline, Virginia Gas Pipeline, Rhode Island Gas Pipeline, Pennsylvania Gas Pipeline, New York Gas Pipeline, New Jersey Gas Pipeline, New Hampshire Gas Pipeline, Maine Gas Pipeline, Massachusetts Gas Pipeline, Delaware Gas Pipeline, Connecticut Gas Pipeline and in the US were located in southwest New York Gas Pipeline, western Pennsylvania, Gas Pipeline and West Virginia Gas Pipeline (which explains why such geographic locations feature various interconnections for collection, distribution plus storage.)
There are several natural-gas niche markets within the Northeast Region which are under the service jurisdiction of the more minor intrastate and interstate pipelines. One of these is the Eastern Shore Natural Gas Company which operates the sole pipeline that delivers natural gas to the lower part of the Delmarva Peninsula and the southern Delaware area. Eastern Shore has a daily capacity of 0.1 Bcf and gets its natural gas supplies from both the Columbia Gas Transmission Company and the Transcontinental Gas Pipeline Company at southeast Pennsylvania junctions, as its system traverses south into Delaware up to the eastern shores of Maryland.
Move northward and you will find the Granite State Transmission Company which has a daily capacity of 0.1 Bcf. Granite State sources its natural gas from both or either the Tennessee Gas Pipeline Company and the system run by the PNGTS/Maritimes and Northeast Pipeline at the borders of Massachusetts and southern New Hampshire. At that point, Granite State delivers natural gas supplies to New Hampshire customers and the Northern Utilities Company (the NiSource affiliate of Granite State.) Nothern Utilities Company runs the system which has historically supplied natural gas into southern Maine. For its part, New York City plus Long Island (both in New York state) rely on KeySpan Energy Delivery Company to supply most of their natural gas needs, though KeySpan has also expanded intrastate service into New Hampshire and Massachusetts too.
At the same time, more natural gas has been sourced from Canadian suppliers from 1990 to 2005 due to the creation of new pipelines to deliver natural gas into the Northeast Region.
The TransCanada Pipeline Ltd. Company based in Ontario Gas Pipeline, Canada Gas Pipeline provides nearly one Bcf daily to the system of the Iroquois Gas Transmission Company – much of that supply is for use of the metropolitan district of New York City.
Natural gas from Canada is sourced from the Grand Island, New York system jurisdiction of the Empire Pipeline Company, in the vicinity of the Niagara Falls, for delivery to north central New York State. Thre are interconnections from that supply line into the systems of the National Fuel Gas Supply Corporation and the Dominion Transmission Company. Empire Pipeline, which has a daily capacity of 0.5Bcf) is the intrastate affiliate of the National Fuel Gas Supply Corporation. (Both National Fuel Gas Supply Corporation and the Dominion Transmission Company get natural gas supplies from Canada through the Tennessee Gas Pipeline. The Tennessee Gas Pipeline maintains an import point with 0.9 Bcf daily capacity in the Niagara Falls, New York area.
The so-called PNGTS (or Portland Natural Gas Transmission System) was also formed in 2000.
This system originates at New Hampshire’s northern end then continues to a junction point at Wells, Maine Gas Pipeline, where it joins the Maritimes Gas Pipeline and Northwest Gas Pipeline system. Together the PNGTS and the Maritimes and Northwest Pipeline system create a very long, 100-mile,pipeline with natural gas delivery capacity of 0.6 Bcf daily. This collaborative system traverses into the southern part of New Hampshire and ends in the northern part of Massachusetts (inclusive of the system owned by the Tennessee Gas Pipeline Company.)
But in 2003 the PNGTS was reconfigured so that bidirectional service to benefit natural gas shippers of Canadian Sable Island became possible. These shippers had been reliant on the system run by the Maritimes & Northeast Pipeline Company but after the reconfiguration wereable to send natural gas supplies to Quebec markets. Prior to the reconfiguration, these Quebec markets had been dependent on natural gas originating from western Canada.
The Maritimes and Northeast Pipeline Company has a US system which originates in Calais, Maine (where the state shares a border with Canada) and terminates in Wells, Maine. (Actually, the entire system of the Maritimes and Northeast Gas Pipeline was originally designed to source natural gas supplies from Sable Island producers on the eastern Canada coastline, for delivery to New England.) By the latter part of 2003, the Maritimes and Northeast Pipeline Company extended its system to Boston, Massachusetts from Dracut - thus giving metro Boston with 0.2
Bcf more natural gas service daily.
Canadian imports of natural gas supplies into the US are very important to certain more minor importing pipelines because the latter lack a natural-gas interconnection system with any US pipeline. Some of these importing pipelines are the North County Pipeline Company and the St. Lawrence Gas Pipeline Company of upper New York State, as well as the State of Vermont’s sole natural-gas pipeline system which is called the Vermont Gas Systems Company.
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Energy Information Administration-Energy Information Administration-04/03/2008
