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Fact Sheet - North Central Reliability Project


The North Central Reliability Project upgraded the transmission system and substations from 138kV to 230kV in north-central New Jersey. The project increased electric capacity required by New Jersey business and residents, increases transfer capability, provides better power quality, and reduces transmission system congestion.

This overall project upgraded approximately 35 miles of overhead transmission circuits from PSE&G’s West Orange Switching Station located in West Orange, New Jersey, to PSE&G’s Woodbridge Substation located in Woodbridge, New Jersey. Seven PSE&G station along the route were upgraded to 230kV operation.

PJM Interconnection LLC, the regional entity responsible for transmission system planning, identified the need for this important project and assigned it to PSE&G to enhance reliability of electricity supplies in the region.

Transmission New Jersey Regional Benefits

Customers are using more electricity to power everything from big screen televisions to the latest kitchen appliances. As the continued demand for safe, highly reliable electricity grows, additional transmission lines are needed to meet this need now and into the future.

The PSE&G North Central Reliability Project is designed to deliver the electric power required by north-central New Jersey businesses and residents. The project relieved transmission system overloads, provides better power quality, and reduces transmission system congestion experienced in the region.

Project at a Glance

Estimated Project Cost:           $390 million
Voltage Upgrades:                   230 kV

Overhead Transmission Upgrades

  • The overhead portion of the project goes through West Orange, Livingston, Roseland, Florham Park, Chatham Borough, Chatham Township New Providence, Berkeley Heights, Watching, Scotch Plains, Fanwood, Clark, Edison, Metuchen and Woodbridge along an existing PSE&G overhead right-of-way.
  • The existing 138kV were replaced with 230kV transmission wires and existing lattice towers were replaced with new monopole structures.
  • The distance of the overhead portion is approximately 35 miles.


  • The following stations were upgraded to 230 kV operation: West Orange Switching Station (West Orange), Marion Drive Substation ( West Orange ) , Laurel Avenue Substation (Livingston), Fanwood Substation (Fanwood), New Dover Substation (Edison), Pierson Avenue Substation (Edison) and the Woodbridge Substation (Woodbridge). 

Route Selection

  • The routes selected follow existing PSE&G rights-of-way for both the overhead and underground portions of the project.

Anticipated Project Schedule :

Underground Construction Start Date:                       March 2011
Overhead Construction Start Date:                           1st Quarter 2012
Substation and Switching Station Construction:         2nd Quarter 2012
In-Service Date:                                                      June 2014

Regulatory Approvals

The project secured the necessary permits and approvals from municipalities along the route as well as the New Jersey Department of Environmental Protection and other appropriate state, regional and federal agencies.

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