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Puget Sound Energy substation project


Maxwelton substation and transmission line projects 

Fall 2013 project updates
  • We completed the rebuild of the western transmission line, which runs from the intersection of SR 525 and Coles Road to a point along our existing transmission line near the intersection of SR 525 and Useless Bay Avenue, in November 2010
  • Permits were submitted for the eastern transmission line in January 2011 and construction is planned for 2014
  • Substation permitting is near completion and construction is planned for 2014 
Project overview

To increase reliability for our customers on South Whidbey Island, Puget Sound Energy plans to construct a new 25 megavolt amperes (MVA) substation, and upgrade and relocate two sections of our existing 115 kilovolt (kV) transmission line to a new location along State Route 525. (See map.) These projects will entail re-routing our existing transmission lines that will provide better access for repair crews and gain more protection from tree-related outages; building a new substation that will serve the south Whidbey Island communities of Langley, Clinton and Freeland, and serve as a back up to our Brooks Hill and Langley substations; and installing distribution lines underground to connect to our Brooks Hill and Langley substations. We will construct the projects in phases.

The multi-year construction effort includes the following projects:

2010 projects
Upgrade western transmission line: We rebuilt and relocated 2 miles of our existing 115 kV transmission line from the intersection of SR 525 and Coles Road to point along our existing transmission line near the intersection of SR 525 and Useless Bay Avenue. (See map.)

2011-2014 projects
Upgrade eastern transmission line: PSE will relocate 1.2 miles of existing 115 kV transmission line from the intersection of SR 525 and Coles Road to point along our existing transmission line near the intersection of SR 525 and Midvale Road. (See map.)

Maxwelton substation (southeast corner of Coles Road and SR 525): PSE will build a new substation and underground distribution lines to connect Brooks Hill and Langley substations. (See map.)

Whidbey Construction Map
Download full-size map

Project map (790 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.

Download information

Download these PDF files for more detail on PSE's Maxwelton substation project.

October 2011 meeting
Tree removal plan revision notice, September 2011
Tree removal graphic
Mitigation plan, figure 1 (draft)
Mitigation plan, figure 2 (draft)

July 2011 meeting
Public meeting invitation
Print ad
Project construction map
Fact sheet, July 2011
Transmission line photo simulations
Maxwelton substation landscape plan (draft)
Viewpoints of substation from State Route 525 (draft)
Viewpoints of substation from State Route 525 (final)

 

Sept. 2008 meeting
 
April 2009 meeting
 
January 2010 meeting
Project map
(790 KB PDF)
Aerial Map
(326 KB PDF)
Fact sheet, Jan. 2010
(74 KB PDF)
Meeting invite, Sept. 2008
(194 KB PDF)
Meeting invite, April 2009
(137 KB PDF)
Transmission and substation before and after poster
(199 KB PDF)
Fact sheet, Sept. 2008
(100 KB PDF)
Fact sheet, April 2009
(100 KB PDF)
Utility landscaping zone
(1 MB PDF)
Before and after map
(457 KB PDF)
Vegetation transmission zone
(1 MB PDF)
Aerial map
(1 MB PDF)
Energy Landscaping booklet
(2 MB PDF)
Phase of construction
(232 KB PDF)
Fact sheet, Sept. 2009
(100 KB PDF)
Meeting invite, Jan. 2010
(232 KB PDF)
Preliminary project plans, Jan. 26, 2010
(232 KB PDF)