Western Power Pool Service Reliability

Keeping the West connected when reliability matters most.

Coordinated reliability across the West, built for the utility teams planning, operating, and adapting the grid together.

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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/North America.

  • 3D terrain and buildings: tilt the map to see terrain and buildings in 3D, or turn on…

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