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Strengthening the power grid

Transmission: The Vital Link to Customers

Northeast Utilities (NU), one of the largest developers of new transmission in the country, supports sustained growth in the Northeast.

NU leads the way in:

  • Operational excellence in overhead and underground construction of the transmission network.
  • Efficient use of technology on more than 4,200 miles of high-voltage power lines.
  • Cost-effective solutions allowing access to clean, renewable energy sources.

Read more about NU's infrastructure investments that bring safe and reliable electricity to 2.9 million customers in Connecticut, Massachusetts and New Hampshire.

Projects Locations & Info
Projects Locations & Info
1990 Line Project (Watertown to Monroe) (energized)
Greater Springfield Reliability*(completed)
Greenwich Substation and Line Project
Interstate Reliability*
Stamford Reliability Cable (energized)
Greater Springfield Reliability*(completed)
Mystic to Woburn Line Project**
Woburn to Wakefield Line Project**
New Hampshire
Merrimack Valley Reliability Project**
Northern Pass Project
Seacoast Reliability Project

* Part of the New England East-West Solution (NEEWS) projects
**Part of Greater Boston & New Hampshire Solution suite of projects.

Stronger Grid Increases Reliability
NU Projects Win Awards
Environmental Initiatives
Technical Innovations


Simply Stated
Defining "Reliability"
Other Benefits

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Regulatory Approval Process Information
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Learn About Rights-of-Way