Phase 2 of Nucla-Sunshine project on schedule

The Nucla-Sunshine transmission line is under construction this fall as construction crews complete phase 2 of a three-year project.

Construction of the long-awaited 51-mile, 115-kV Nucla-Sunshine transmission line to improve service to Telluride, Colo., and the surrounding communities is on schedule for completion in the fall of 2012.

Phase 2, of the project’s three phase, three-year construction timeline will be wrapping up later this fall as snow and inclement winter weather in Colorado’s high country will soon shut down the project for the season. Weather permitting, construction is scheduled to resume in May 2012.

The total scope of the project calls for construction of a new power line extending from Nucla substation (adjacent to Tri-State’s Nucla Station) to Sunshine substation near Telluride. A unique aspect of the project is that a total of 10 miles of the line will be buried on Wilson and Specie mesas to satisfy landowner concerns. Along the new line corridor several substations will be replaced and the Norwood Substation will be expanded to accommodate the upgraded service.

This year’s phase 2 timeline calls for completion of the line segment between Norwood and Wilson Mesa. That includes 19 miles of overhead line and trenching of 5 miles of underground cable to be trenched, buried and energized by the end of this year’s construction season.

Next year, in addition to building several substations along the line corridor, the construction crews are expected to complete the final segment of the line from Wilson Mesa to the Sunshine Substation.  The project’s progress was recently featured in a Telluride Daily Planet article.

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