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Columbia River PUD, Bonneville study shows need for major transmission upgrades; estimated $100 million, multi-year timeline
Summary
Columbia River PUD and Bonneville Power Administration presented a reinforcement study showing local 115 kV infrastructure is insufficient for projected growth; BPA recommended upgrading to 230 kV along roughly 50 miles and flagged a multi-year timeline and uncertain cost-allocation process.
Michael Sykes, general manager of Columbia River PUD, and PUD staff briefed the Columbia County Board of Commissioners on Sept. 24 about a BPA-led reinforcement (PAR) study that examined how to serve large projected load increases in the PUDservice area and neighboring utilities.
Sykes and PUD staff said Bonneville Power Administration received about 60 gigawatts of project requests in its footprint and that local studies indicate existing 115 kV infrastructure will not be adequate to serve the kinds of industrial and commercial loads being proposed. "Essentially, our existing…
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