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Puget Sound Energy substation project

Blackburn substation

Summer 2013 project complete
  • Construction began in mid August 2012 and was completed in summer 2013. 
Project overview

PSE upgraded the electric system in the Mount Vernon area with the Blackburn electric distribution substation (formerly known as the Eaglemont substation). The new substation improved reliability and increased capacity for customers in the east and south areas of Mount Vernon. Located at 1218 E. Blackburn Road in Mount Vernon, the new substation included one 25 megavolt amperes (MVA) transformer with the space to add a second 25 MVA transformer as needed. This will allow PSE to double the substation's capacity in the future without changing the substation footprint.

Blackburn Substation
Download full-size map

Project map (199 KB PDF)

What is a substation?

Substations are critical links in the electricity distribution system, containing utility circuit protection, voltage regulation, and equipment that steps down higher voltage to lower voltage. Before reaching homes and businesses, power is routed through our transmission system to a substation where it is changed to a lower voltage that can be utilized by customers.

Committed to keeping you informed

PSE will continue to provide updates to the community. We will notify residents and businesses near the project area when construction will occur. We aim to complete the work with as little disruption as possible.

For information on electric and magnetic fields, please view PSE's EMF statement.

Download the information

Download these PDF files for more detail on PSE's Blackburn substation project.
Construction notice, July 2012 (103 KB PDF)
Construction update, June 2010 (28 KB PDF)
Revised fact sheet (73 KB PDF)
Community ad (1 MB PDF)
Meeting invite, Sept. 2009 (195 KB PDF)
Project map (4 MB PDF) Revised 9/16/09
Aerial map (3 MB PDF) Revised 9/16/09