Transmission Map – What's New
Since our initial release on July 2, 2026, we've been busy adding new features. Here are the highlights.
Highlights
New home: the map now lives at www.wpptx.org.
Global coverage: many layers now span the entire globe. Use the layer pane's "USA / Global" dropdown to see which layers are global and which cover only the USA…
New WPP RSG Rules Provide Significant Benefits to Members, Region
PORTLAND, Ore. – New rules for the Western Power Pool Reserve Sharing Group (RSG) took effect September 1, providing substantial benefits to WPP RSG members and to the West.
The changes follow the retirement in July of NERC standard BAL-002-WECC-3. WPP RSG staff, led by Senior Manager of Non-Tariff Programs Kevin Conwa…
Western governors endorse WestTEC, create permitting task force
Bipartisan group from 11 states takes steps to lead in transmission development
A group of 11 bipartisan governors, led by Western Governors’ Association Chair Gov. Spencer Cox of Utah, signed a letter endorsing the results of the Western Transmission Expansion Coalition (WestTEC) transmission needs study.
At the WGA an…
West Needs Significant Transmission Upgrades by 2035, WestTEC Study Shows
10-Year Horizon Report Identifies More than 12,600 Miles of Projects to Respond to Changing Needs of Western Grid
PORTLAND, Ore. – The West needs more than 12,600 miles of high-voltage transmission additions or upgrades to meet the region’s forecasted energy needs by 2035, according to the results of the Western Transm…
WestTEC 10-Year Study FAQs
Background
What is WestTEC?
WestTEC is an unprecedented partnership among diverse sectors of the energy industry, States and Tribes, environmental groups and project developers, that is focused on addressing urgent interregional transmission needs across the Western states. It is facilitated by the Western Power Pool …
WestTEC: A New Approach to Transmission Planning in the West
The Western U.S. is facing challenges to its energy infrastructure, including an aging transmission system and the need for reliable, affordable, and sustainable energy solutions. In response, the Western Transmission Expansion Coalition (WestTEC) is leading an industry effort to develop a 10- and 20-year transmission…
WestTEC Study Plan Gets Unanimous Approval
PORTLAND – The Western Transmission Expansion Coalition, or WestTEC, reached a significant milestone last week when the WestTEC Steering Committee unanimously approved the project’s Study Plan.
WestTEC is a West-wide effort to develop an actionable transmission study to support the needs of the future energy grid. It…
2024 Engineers Forum
The 2024 Engineers forum is just around the corner! The Engineers Forum is open to all organizations who have a TPC membership with the WPP. Please sign into your TPC account for all the details. If you've got any questions, or are interested in attending but maybe aren't sure of who your TPC representative is at …
WestTEC Selects Members of REC, Filling Final Piece of Organizational Structure
PORTLAND, Ore. – The Western Transmission Expansion Coalition, or WestTEC, has completed a major milestone in its organizational structure by selecting the members of its Regional Engagement Committee, or REC.
The REC is WestTEC’s primary stakeholder engagement group. It is responsible for reviewing proposals, scop…
Join us for two regional transmission planning virtual events in January
Note: The events have passed. Below please find links to more information.
Join us in January for two virtual events with important news and updates about the Western Transmission Expansion Coalition and other regional transmission planning efforts. Below find more information about the two events and links to regi…