Project overview
BPA is evaluating potential routes for a proposed new 500-kilovolt transmission line to reinforce the power grid in southwest Washington. The last high voltage transmission line along this section of the I-5 Corridor was built over 40 years ago. Meanwhile the population in the area has doubled.
The line will bring in new renewable energy, address growing congestion on the grid and allow local utilities to buy and sell power to keep rates as low as possible. See the project factsheet for more.
About the project
BPA is proposing the I-5 Corridor Reinforcement Project, which calls for a new 500-kilovolt transmission line to run between potential new substations at Castle Rock, Wash., and Troutdale, Ore. The distance between the two proposed substations is approximately 70 miles.
We identified a large number of route segments that can be combined in various ways to form different possible routes between the two substations. They vary in length and include both existing and new rights-of-way.
Currently BPA is taking public comment and evaluating routes for the line. We will prepare an environmental impact statement in accordance with the National Environmental Policy Act to evaluate the potential impacts of the proposed project and to inform the agency's final decision.
Using this website
We use this site to help keep you informed as we work on this project. We will continue to update this site as new information is available.
You can get involved by submitting comments or by attending public or community meetings during our review process.
The project library has links to project maps, previous letters and documents that were mailed or available at public meetings.
You can learn more about what we will cover in our environmental review, what factors we consider as we determine project siting alternatives and how we consider impacts to land, water and people.
Our question and answers section covers many questions that we receive about the project.
|
I-5 Corridor Reinforcement Project
