Iroquois Gas Transmission System LP has filed an application at FERC to build an expansion of its system that would allow for increased natural gas service to customers on Long Island, NY.

The pipeline proposes to build three sections of 36-inch diameter pipeline looping and associated above-ground facilities along its existing mainline in New York and Connecticut; a new 10,300 horsepower (hp) compressor station in Milford, CT; and additional 10,300 hp compression and cooling at the Brookfield, CT compressor station..

The project, which would be built in three phases, would enable Iroquois to provide an additional 200,000 Dth/d of firm transportation to KeySpan Gas East Corp., which does business as KeySpan Energy Delivery Long Island.

The proposed in-service dates of the project are Nov. 1, 2008 (Phase I); Jan. 1, 2009 (Phase II); and Nov. 1, 2009 (Phase III). In order to keep to this time frame, Iroquois has asked the Federal Energy Regulatory Commission to grant it a certificate by March 31, 2008.

The pipeline also has requested that the rates for this expansion project be rolled in with Iroquois’ existing Eastchester Expansion Project rate case following the in-service dates for the proposed facilities. The estimated cost of the New York/Connecticut expansion is $163 million, according to Iroquois.

Iroquois is a partnership of affiliates of five U.S. and Canadian energy companies. Its system spans 411 miles, serving natural gas customers in the Northeast.

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