Documents

We’ll keep the latest project documents here, to keep you informed about the project from start to finish. 

Meeting Materials

Open House and Community Advisory Group meeting materials are available on the Meeting Materials page.

Project Materials

Summer 2014 Newsletter

Summer 2014 FAQs

Summer 2014 Fact Sheet

Spring 2014 Sub-Area Committee Online Survey Summary

Spring 2014 Underground Transmission Line Fact Sheet

December 2013 Newsletter

Presentations and Videos

Presentations and videos are available on the Videos 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 studies we have either completed or are in the process of completing. As studies are completed, we will share them with the Community Advisory Group and provide the link to the full report below.

Study Type Study Author Description Status

Needs assessment executive summary

Needs assessment report (redacted)*

PSE/Quanta

Explains the need for the Energize Eastside project

Completed

 

Solutions report executive summary

Solutions report (redacted)*

PSE/Quanta

Describes potential options for solving the identified problem, and details the preferred solution

Completed

Opportunity and constraints executive summary

Opportunity and constraints report

TetraTech

Details how PSE identified the project study area, identified potential route segments and narrowed down route segments to the ones presented to the public

Completed

Non-wires solution analysis

E3

Explores the feasibility of solving the identified problem without constructing a new transmission line

Completed

Underground feasibility study
- Appendix A - Aerial Route Drawings (part 1)
- Appendix A - Aerial Route Drawings (part 2)
- Appendix B - Typical Detail Drawings

Power Engineers

Describes the feasibility of installing the transmission line underground

Completed

Review of the PSE Transmission Vegetation Management Program

CN Utility

Evaluates PSE’s tree maintenance program as it relates to North American Electric Reliability (NERC) standards, and details necessary tree maintenance along the various route segments to meet NERC standards

Expected to be completed in summer 2014

Electric and magnetic fields (EMF) modeling study

Power Engineers

Measures EMF readings along the various route segments with existing power lines and analyzes how those readings could change with the addition of a future 230 kV line

Expected to be completed in summer 2014

Submarine cable feasibility study

Power Engineers

Describes the feasibility of installing the transmission line underwater

Expected to be completed in summer 2014

*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.