Prep Work for Regional Electric Line Starts Within Weeks

A map showing the route of the future Interstate Reliability Project transmission line. Image credit: CL&P
A map showing the route of the future Interstate Reliability Project transmission line. Image credit: CL&P
Construction is due to start in the next few weeks with preparation work for a new, more powerful electricity transmission line through several northeast Connecticut towns, including Mansfield.

The "Interstate Reliability Project" is the name of the project to construct the 37 miles of new 345-kilovolt  overhead transmission lines (on land where Connecticut Light & Power already has the right of way).

The path of the new line (see the attached map) comes into Connecticut from Thompson, then procedes through Putnam, Killingly, Pomfret, Brooklyn, Hampton, Chaplin, Mansfield, Coventry and Columbia before ending in Lebanon, where it connects with other electricity lines.

You can find out more information on the website of Northeast Utilities (parent company of CL&P), where updates on construction will be posted, according to the utility.

CL&P recently issued this news release about the project:

With final federal and Connecticut regulatory approvals secured, Connecticut Light & Power will soon begin preparation work on its portion of the Interstate Reliability Project, a collaborative effort with National Grid that will improve electric reliability in Connecticut and southern New England.

In the coming weeks, the company will begin clearing the right-of-way and creating access roads to lay the groundwork for the project.

Part of a group of transmission projects called the New England East-West Solution (NEEWS), the Interstate Reliability Project is designed to improve the delivery of electricity across Connecticut, Rhode Island, and Massachusetts.

Once complete, the new lines will provide the region’s electricity customers with the infrastructure that is critical to a healthy economy, as well as access to cleaner, competitively-priced energy sources.

“The Interstate Reliability Project continues CL&P’s strong track record of investment to ensure a robust regional electric grid,” said Laurie Foley, Vice President of Transmission Projects, Engineering & Maintenance for Northeast Utilities, parent company of CL&P.

“We continue to connect customers to reliable, cost-effective energy and support continued economic growth in Connecticut and New England, an effort that we have been very successful at since 2005.”

The Interstate Reliability Project will also bring much-needed economic benefits to all three southern New England states by creating hundreds of new local jobs and generating significant new property tax revenue to towns along the project route.

The Connecticut portion of the project, which will be constructed by CL&P, includes the construction of a new overhead 345-kilovolt (kV) transmission line on 37 miles of existing right- of-way through 11 towns from Lebanon to the Rhode Island border in Thompson and has an estimated cost of approximately $218 million. The project also includes upgrades to stations in Lebanon and Killingly.

The Rhode Island and Massachusetts portions of the new transmission line, which will be constructed by National Grid, will extend approximately 38 miles through National Grid’s

service areas, and work is expected to begin later this year. The Interstate Reliability Project is expected to be in-service by December 31, 2015.

The company will continue to work closely with towns and residents along the project route and will post weekly construction updates and highlight project milestones at www.NEEWSprojects.com. Residents can also call 1-866-99NEEWS (1-866-996-3397) or email NEEWS@NU.com, for more information.


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