Cleveland Matthews

Our customers expect reliable electricity, and we are planning ahead to ensure we can power your lives today and tomorrow. 

At Duke Energy, we take system reliability seriously and our electrical system is essential to meeting customers' needs. Our goal is to produce and deliver reliable and cost-effective electricity to the communities we serve. As part of that commitment, we are building a new 230-kilovolt/23-kilovolt (230-kV/23-kV) transmission-to-distribution substation and a new 230kV transmission line to serve the Cleveland area of Johnston County, N.C. This investment will provide greater electric capacity and enhance reliability for your community.

Cleveland Matthews Road 230-kV/23kV Transmission-to-Distribution Substation

A new substation is being constructed on the southeast corner of the intersection of Matthews and Polenta roads in Johnston County. This substation will convert the 230-kV transmission line voltage to 23-kV to serve homes and businesses through local distribution lines.

Cleveland Matthews Road 230-kV Transmission Line

To serve the new substation, Duke Energy is constructing a new 11.5 mile 230-kV transmission line from the new substation to our existing Erwin-Selma 230-kV line, located in the Four Oaks area. The North Carolina Utilities Commission recently issued a Certificate of Public Convenience and Necessity (CPCN) for the project, allowing construction of the line to move forward. 

Next steps – what to expect:

  • Duke Energy representatives will contact landowners in late February, 2018 to discuss right of way purchases. 
  • From mid-February through the end of March 2018, soil boring and testing will take place in intervals along the easement, so neighbors might see workers and equipment in and around the area. 
  • Construction activities will begin in fall 2018, with vegetation clearing followed by the installation of weathering steel poles and other required equipment along the route.

Completed steps:

  • The North Carolina Utilities Commission issued a CPCN in January, 2018, allowing construction of the transmission line to begin.
  • Duke Energy surveyed the proposed line to establish its precise location and identified the easements required on individual property parcels during summer 2017. 
  • A request for approval from the North Carolina Utilities Commission for the formal CPCN was filed in summer 2017.
  • The preferred route of the new 230-kV transmission line was selected and announced in spring 2017.
  • The formal public comment period ended on Dec. 31, 2016.
  • Public informational open houses were held on Nov. 16 and 17, 2016 to share information about the project and to gather public feedback. These events were held in Clayton, N.C. and Smithfield, N.C.


  • The preferred route of the new 230-kV transmission line has been selected and approved. Click here to view the selected route on the interactive map.

To learn more about this project:


Cleveland Matthews Transmission Project

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