Documents
We’ll keep the latest project documents here, to keep you informed about the project from start to finish.
The basics
Studies show we need to upgrade the Eastside’s electric infrastructure
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Electrical Reliability Study by Exponent, 2012 (City of Bellevue)
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Eastside Needs Assessment Report by Quanta Services, 2013 (PSE)
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Supplemental Eastside Needs Assessment Report by Quanta Services, 2015 (PSE)
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Independent Technical Analysis by Utility Systems Efficiencies, Inc., 2015 (City of Bellevue)
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Review Memo by Stantec Consulting Services Inc., 2015 (EIS consultant)
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Assessment of Proposed Energize Eastside Project by MaxETA Energy and Synapse Energy Economics, 2020 (City of Newcastle)
Project Fact Sheets:
Additional documents
Summer 2018 Sample Plant Palette
Fall 2017 Vegetation Management Standards
December 2016 Other Solutions Studied Fact Sheet
October 2016 Planning and Regulations Fact Sheet
Summer 2015 Fieldwork Fact Sheet
Community Advisory Group Final Report
2014 Spring-Summer Community Events Outreach Summary
Spring 2014 Sub-Area Committee Online Survey Summary
Videos
Videos are available on the Videos page.
Meeting Materials
Open House and Community Advisory Group meeting materials are available on the Meeting Materials page.
Project Studies
Puget Sound Energy has commissioned several studies to help guide our project development and route selection processes for the Energize Eastside project. Below is a list of completed studies.
For additional studies related to the Environmental Impact Statement (EIS) please visit energizeeastsideeis.org.
| Study | Author | Description |
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Related document: Letter from Marc Horn, President of Olympic Pipe Line Company |
DNV GL |
DNV GL’s detailed study considered project-specific variables associated with the upgraded transmission lines and Olympic’s pipelines |
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Needs assessment executive summary |
PSE and Quanta Technology |
Explains the need for the Energize Eastside project |
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Solutions report executive summary |
PSE and Quanta Technology |
Describes potential options for solving the identified problem, and details the preferred solution |
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Tetra Tech |
Details how PSE identified the project study area, identified potential route segments and narrowed down route segments to the ones presented to the public |
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E3 |
Explores the feasibility of solving the identified problem without constructing a new transmission line |
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Underground feasibility study |
POWER Engineers |
Describes the feasibility of installing the transmission line underground |
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POWER Engineers |
Analyzes the feasibility of installing the transmission line underwater |
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Strategen Consulting |
Assesses the feasibility of using energy storage (i.e., batteries) to meet the Eastside's electrical reliability need |
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Nexant |
Assesses the economic impacts of taking no action to upgrade the Eastside's electrical system |
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POWER Engineers |
Details findings from the Electric and Magnetic Field (EMF) investigation for the Energize Eastside project route options |
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POWER Engineers |
Addendum details findings from the Electric and Magnetic Field (EMF) investigation for the Willow 1 route with both lines operating at 230 kV |
*The redacted version is being shared because the full report contains Critical Energy Infrastructure Information that cannot be shared publicly according to the Federal Energy Regulation Commission. For rule details, please visit this link. The redacted information does not change the overall conclusions of the reports.
**Additional reports may be completed as necessary to support the environmental review process.