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Barren Ridge Renewable Transmission Project

In recognition of the State of California’s Global Warming Solutions Act of 2016, as well as the City of Los Angeles’ Renewable Portfolio Standard (RPS) goals, the Los Angeles Department of Water and Power (LADWP) set out to increase production and use of renewable energy. To tap into the production of wind, solar, small hydroelectric, biomass and geothermal energy, LADWP established a plan to access the Tehachapi Mountains and Mojave Desert, good sources of wind and solar power. One facet of this plan is the Barren Ridge Renewable Transmission Project, the recently completed addition of 62 miles of new 230kV double- and triple-circuit transmission line connecting the Barren Ridge Switching Station with a new Haskell Canyon Switching Station. The entire route fell within or directly adjacent to designated utility corridors and paralleled existing transmission lines, posing challenges in difficult access across desert and rugged mountainous terrain as well as in meeting the project’s aggressive schedule.
To undertake this Engineer Procure Construct (EPC) project, Barnard pulled together a strong, multi-disciplinary team early in the bidding process, the members of which continued with design, procurement, fabrication and on through construction. We worked with industry-leading design firm Black & Veatch to complete the project’s design, beginning design prior to Award to help meet the schedule. Construction began as each aspect’s design received LADWP approval. Recognizing that thorough environmental planning and protection were critical to the project’s success, we also included a seasoned environmental team. To address the challenges for LADWP with Tri-Circuit outages, we scheduled as much work as possible during non-outage periods, often re-sequencing around areas of delayed permitting or land acquisition. During the designated outages, our team dedicated additional crews to the removal of the existing line and installation of the new structures so the line could be re-energized as quickly as possible. Close, open stakeholder and landowner relations were critical to the success of this project.

Barren Ridge Renewable Transmission Project

Power Transmission Business Development

Jerry Askin
p: (406) 586-1995 x218

Rick Hollenbaugh
p: (406) 586-1995 x264


Company Headquarters
701 Gold Avenue
Bozeman, MT

p: 406-586-1995 / f: 406-586-3530


We're looking for bright, innovative, hard-working people - those who thrive on demanding and challenging tasks and who bring out the best in others on their Team. Our people are eager for responsibility.

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