Our Company 
Rochester Area Reliability Project (RARP)

As part of our commitment to provide safe, reliable service to all of our customers, RG&E, in conjunction with its parent company AVANGRID, is investing approximately $290 million to upgrade the electricity transmission system in the Rochester region. This project, known as the Rochester Area Reliability Project or RARP, is located in the towns of Chili, Gates, and Henrietta and in the City of Rochester. This project will provide additional power to fill growing demand, increase reliability, and accommodate growth and economic development in the Rochester region.


RARP Project Scope

  • Building a new 345 kilovolt (kV) substation (Station 255) near the NYPA transmission lines in the Town of Henrietta.
  • Constructing a new 345-kV transmission line (Circuit 40) in the town of Henrietta.
  • Rebuilding/relocating 2.5 miles of existing Circuit 906 located in a railroad right of way in the Town of Chili.
  • Building a new 115-kV transmission line (Circuit 940) between the new Station 255 and our existing Station 418 in the Town of Gates.
  • Building a new 115-kV transmission line (Circuit 941) to connect the new Station 255 to our existing Station 23 in the City of Rochester, including a 1.1-mile section in the Town of Gates.
  • Improving equipment at existing Stations 418, 80 and 23 in the towns of Gates and Henrietta, and in the City of Rochester.
  • Upgrading protection and communications systems at substations in the towns of Somerset, NY and Lewiston, NY.

Project Map

  • You may view/download a PDF map of the project here.

Project Approvals

  • To view all public PSC documents related to the RARP, please click here.
  • On September 30, 2011, RG&E filed an Article VII application with the New York State Public Service Commission (PSC) for approval of the proposed project. The complete application may be viewed here*.
  • On April 23, 2013, the PSC issued an order granting a Certificate of Environmental Compatibility and Public Need for the project. The PSC Order may be viewed here.
  • On August 15, 2013, the PSC issued an order for an additional review of the agricultural impacts of the siting of Station 255. The PSC Order may be viewed here.
  • On November 15, 2013, the PSC issued an order to reopen the record to reexamine the location of substation 255 and the routes of circuits 40, 940 & 941. The PSC Order may be viewed here.
  • On December 20, 2013, the PSC issued an order approving the Environmental Management and Construction Plan for Segment 1 (EM&CP) for substation construction/modifications at RG&E Stations 80, 418 and 23 and remote stations at Kintigh and Niagara.
  • On July 21, 2015, the PSC issued an order granting amendments to the Article VII Certificate and approving the EM&CP for Segment II for construction of portions of new Circuits of 940 and 941 in the Towns of Gates and Chili, and the City of Rochester, running generally south to approximately Structure #39 In the Town of Chili, and for relocation of a portion of existing Circuit in the Town of Chili. The PSC Order may be viewed here.
  • On September 15, 2016, the PSC issued an order adopting amendments to the Joint Proposal modifying the Article VII Certificate and addressing petitions for rehearing. This allowed RG&E to move forward on developing the EM&CP for Segment III, which includes Station 255, the routes of Circuits 940 and 941 in the southern portion of the route in Chili, and the route of Circuit 40 in the Town of Henrietta. The PSC Order may be viewed here.

*The EM&CP is an environmental management plan that covers exactly what will be constructed and how the environment will be protected during that time. RG&E plans to begin construction at the approved sites mentioned above as soon as practicable. The PSC Order may be viewed here.


Estimated Project Timeline

  • A transmission project like this can several years to build from initial planning to energizing. 
  • RG&E commenced construction at Station 80 in October 2014. Construction of bay 4 in Station 80 was completed as part of the RARP in April 2017.
  • On October 16, 2017, RG&E filed the EM&CP for Segment III with the PSC. Segment III of the Project includes: (a) a new 345/115 kV air-insulated RG&E substation (Station 255) in the Town of Henrietta, (b) a new 345 kV RG&E transmission line between Station 255 and existing RG&E Station 80 (Circuit 40) in the Town of Henrietta, (c) new 115 kV RG&E transmission lines (Circuit 940 and Circuit 941) from Station 255 to Structure #39 on the Rochester & Southern Railroad right-of-way (ROW) in the Town of Chili, and (d) relocation of a portion of existing RG&E Circuit 906 to the eastern edge of the Rochester & Southern Railroad corridor to vacate the existing ROW for Circuits 940 and 941 in the Town of Chili.  
  • RG&E plans to commence construction in early 2018, with the initial work focused on site preparation of the underground portion of Line 940 in the Town of Gates.
  • Work on Station 255 will commence following approval of the EM&CP for Segment III. RG&E estimates that work on Station 255 will commence in the summer of 2018, and the project will be placed in service by late 2020/early 2021.

* You may also view a hard copy of the Article VII application, and EM&CP at:

  • Central Library of Rochester and Monroe County
    115 South Avenue
    Rochester, NY 14604
  • Chili Public Library
    3333 Chili Avenue
    Rochester, NY 14624
  • Gates Public Library
    902 Elmgrove Road
    Rochester, NY 14624
  • Henrietta Public Library
    455 Calkins Road
    Henrietta, NY 14623
  • Department of Public Service
    Office of Central Files - 14th Floor
    Three Empire State Plaza
    Albany, NY 12223


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