Columbia River navigators grow worried as under-river power line project charges ahead

By: Henry Brannan

Outlets: The Columbian

Published: December 9, 2025

Words: 1,180

Last Updated: 2 weeks, 6 days ago

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Columbia River navigators are growing worried as a project to put a 100-mile power transmission line under the river charges ahead without offering ways to mitigate its impacts on the industry.

The Cascade Renewable Transmission project’s 1-foot-thick line would run from The Dalles, Ore., to the Vancouver-Portland area, with most of it being buried under the river.

But shippers worry that the project’s construction may block vessels carrying grain, trash, riverboat passengers and the …

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