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New England East-West Solution (NEEWS)

Greater Springfield Reliability Project (GSRP)

Interstate Reliability Project (Interstate)
Project Description
Construction Updates Summary
Community Involvement
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Central Connecticut Reliability Project (Central)

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Interstate Reliability Project
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Project to improve reliability, ease transmission bottlenecks

The Interstate Reliability Project is one of the major transmission Projects that are part of the New England East-West Solution (NEEWS). Together, the NEEWS Projects will strengthen the reliability of the power grid in New England - improving its efficiency and eliminating crippling and costly bottlenecks.

The Interstate Reliability Project is designed to address weaknesses in the east/west and west/east transmission of power across Connecticut, Rhode Island and Massachusetts. Providing more direct routes between power sources and eastern Connecticut, and increasing the overall capacity of the transmission system, will mean that access to cleaner, competitively priced power will be routinely possible.

Fact Sheet: Interstate Reliability Project

This Project spans three states: Connecticut, Rhode Island and Massachusetts. The Connecticut portion of the Project is in the service territory of Connecticut Light & Power and the Rhode Island and Massachusetts portions of the Project are in the service territory of National Grid. The information on this fact sheet is for the approved Connecticut portion of the Project only.

CL&P -- Connecticut portion only

Length: 37 miles of new 345-kilovolt (kV) overhead transmission lines, utilizing existing CL&P right-of-way
Towns along
right-of-way:
11 Towns in the State of Connecticut
  • Towns: Lebanon, Columbia, Coventry, Mansfield, Chaplin, Hampton, Brooklyn, Pomfret, Killingly, Putnam and Thompson
Station upgrades: Card Street Substation (Lebanon), Lake Road Switching Station (Killingly), and Killingly Substation
Estimated project cost: $218 million
Siting applications:
  • December 23, 2011 - Filing date
  • December 27, 2012 - CSC voted to issue approval
  • January 2, 2013 - CSC Decision and Order issued
  • August 1, 2013 - Station Upgrades D&M Plan submitted to the CSC
  • August 30, 2013 - Overhead Line Construction D&M Plan submitted to the CSC
  • September 19, 2013 - Station D&M Plan approved by the CSC
  • November 4, 2013 - Overhead D&M Plan approved by the CSC
Construction
start date:
October 2013 for limited Card Street Substation work. Right-of-way clearing and access road work in preparation for construction began in early March, 2014.
Estimated
in-service date:
Late 2015

Communications and Public Outreach

Beginning with the Municipal Consultation and community outreach efforts during the Project proposal stage, Connecticut Light & Power has made a concerted effort to engage town officials, residents, businesses and other stakeholders to inform, answer questions and listen to concerns about the Project.

As work proceeds into and throughout construction, we will continue these outreach efforts. For more information on our community outreach and other public involvement opportunities, please see the Community Involvement page. The Community Involvement page includes information about our Development & Management (D&M) Plans and the related process. View this video (764 kbps or 148 kbps, approx. 8 minutes) to learn more about the process.

Construction Updates

Now that preparation for construction has started, visit this website for timely updates for construction activities in your town.

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