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Iroquois Gas Transmission System

Overview

The Iroquois Gas Transmission System is owned by four U.S. and Canadian energy companies or limited partnerships.The system consists of 414 miles (667 km) of natural gas pipeline that extends from the Canadian border at Waddington, NY through New York state and western Connecticut before reaching Commack and the Bronx, NY.

The system began operations in 1992 and continues to fulfill its promise of delivering a safe, reliable supply of natural gas to families and businesses in the many communities along its route.

TC Energy owns 50 percent of the Iroquois pipeline.The remaining 50 percent is owned by affiliates of Berkshire Hathaway Energy.

For commercial information, visit Iroquois.com.

 

416 miles (669 km) in length

Safe, reliable source of natural gas

Proudly serving New York state since 1992

Community support

Community Spirit

Community outreach program

We take membership in our communities to heart. Our Community Outreach Program helps us direct financial support to charities and non-profits in the communities we serve, while our Community Grant Program provides funding focused on environmental and passive recreation initiatives.

Community Spirit

$55,000 for the United Way charitable giving campaign

In 2024, our annual charitable giving campaign raised $55,000 for the United Way and its partner agencies—an amount raised both by our employees and our corporate contributions.

 

Documents and maps

4.45 MB
Iroquois Gas Transmission System Map
 

How are we regulated?

The Iroquois Gas Transmission System is governed according to regulations outlined by the U.S. Federal Energy Regulatory Commission (FERC). It is also subject to rules and regulations of the Department of Energy (DOE) administered by the Pipeline and Hazardous Materials Safety Administration (PHMSA) and the Environmental Protection Agency (EPA).

Federal Energy Regulatory Commission (FERC)
Local 1-202-502-6088
Toll-Free 1-866-208-3372

Ways to reach us

If you have any questions about the Project, please reach out to us via the contact information below.

Iroquois Transmission Ltd. Partnership (TC Energy)

One Corporate Dr., Suite 600 
Shelton, CT 06484

 1-203-925-7200
Emergency Response
Our commitment to the safety of our pipelines and facilities is unwavering. In case of an emergency, visit our Contact page for our complete list of emergency numbers. 
Landowner Helpline
A key component in maintaining the integrity of our facilities is input from all stakeholders: Indigenous communities, landowners and governments. If you have questions or concerns, please let us know.

Head Office
700 Louisiana Street
Houston, Texas 77002

 1-877-287-1782
Media Relations
TC Energy welcomes enquiries from media. Please direct questions to:
1-800-608-7859 Toll-free (North America)
Investor Relations
We welcome inquiries from analysts, shareholders and prospective shareholders at: 
1-800-361-6522 Toll-free (North America)