A contractor works on an H-frame structure along the Lovell-to-Yellowtail No. 1 transmission line, or LV-YT No. 1, June 26, 2013. (Photo by Ryan Sharp)
Construction work on the two Lovell-to-Yellowtail transmission lines, which run between Lovell, Wyo., and Yellowtail Dam, Mont., continues to progress according to schedule.
The dual 94-mile, 115-kilovolt lines that carry power from Yellowtail Dam in Montana are undergoing a badly needed rebuild as many of their components can trace their origins to their construction in 1956 and 1966 by the Bureau of Reclamation.
“Many of the existing poles are in immediate need of replacement,” said Rocky Mountain Project Manager Travis Anderson.
The project is in the middle of the second phase, which includes rebuilding about 16 miles of each line that run both north and south of the National Park Service Big Horn National Recreation Area and Crow Reservation. Read more »
After the September 2011 large-scale power outage in southwestern Arizona and southern California, evaluations and reports of the incident stated both Western and Arizona Public Service needed to provide additional voltage support to the region in a very short timeframe. To meet the recommendations, Western and APS combined resources to install three, 15 megavar capacitors banks at the Kofa Substation. This project will provide voltage support to the Parker-Davis 161-kV system, which will support the heavy load growth in the Yuma, Ariz., area, as well as the Southwest Power Link transfers. The kicker of the project was that it had to be accelerated so it was completed before the heavy summer loads.
Through the partnership, Western provided the design and procured equipment to aid in the construction of the project and APS provided the contractor (Wilson Construction Company), procured additional equipment and installed the equipment with Western’s construction oversight.
The project was completed safely and on schedule thanks to the hard work and dedication from Western, APS and Wilson Construction. “Our thanks to all those that participated for their combined efforts and willingness to work together to ensure the reality of this project in such a short timeframe,” said Mike Garcia, a Desert Southwest engineering project manager.
Meeting Western’s commitment to provide additional voltage stability to the region before the heavier summer energy demand in 2013 ensures critical voltage control going forward.
Insulation is being used to isolate the wire in the air from the equipment on the ground, as part of Phase II of the Lovell-to-Yellowtail transmission line rebuild project, March 26, 2013
Contractors continue rebuilding two 115-kilovolt transmission lines as part of Phase II of the Lovell-to-Yellowtail project. With work in the Big Horn Canyon National Recreation Area complete in fall 2012, the construction contractor started removing the No. 2 line south of the NRA in Wyoming, March 25, 2013.
Crews have about 10 miles of the No. 2 line down and are working on setting new structures in cultivated fields before irrigation of farm land begins.
While crews work on the No. 2 line, the Lovell-to-Yellowtail No. 1 transmission line continues to deliver power from Yellowtail Dam.
The upgrades to the Lovell-to-Yellowtail transmission lines No. 1 and 2 are needed to replace the original lines built by the Bureau of Reclamation in 1956 and 1966.
You can see more photos of the project’s construction on Flickr.
South of Parker Dam near Parker, Ariz., sits the beginning phase of a new switchyard, just north of the existing 161 kV tap.
With the lines shoo flied around the new site, construction began with grading the site, erecting the perimeter fence and placing the foundation for equipment and the new control building.
Completing this switchyard will convert the existing 161-kV tap to a more reliable configuration that will provide better service to both Western and its customers. Using pre-payment funding the substation is expected to be completed and energized by December 2013.
When you think of Wyoming and Montana in the winter, you might think “cold”—cold enough that you wouldn’t want to be outdoors working on the construction of a transmission line. But that’s exactly what Western crews will be doing this winter.
Western contractor operating the hydraulic press, right, with another crew member as his assistant to perform dead-ending operations as part of Phase 1 of the Lovell-to-Yellowtail transmission line rebuild project.
Crews recently wrapped up rebuilding the Lovell-to Yellowtail No. 1 and No. 2 115-kilovolt transmission lines in the Big Horn Canyon National Recreation Area in Wyoming and Montana. They expect to begin reclamation of unneeded access roads soon. In Feb. 2013, they will begin rebuilding the sections of the lines north and south of the NRA.
The Lovell-to-Yellowtail transmission lines are located between Lovell, Wyo., and Yellowtail Dam, Mont., and help provide the reliable transmission of Yellowtail Dam’s generation.
You can see more photos of Phase 1 construction on Flickr.
Lineman Joshua Bailey of the Cody, Wyo., maintenance office completes a pre-trip inspection on the 100-foot aerial manlift the morning of Nov. 1 before he and four other crewmates depart for Hoboken, N.J., to help with power restoration after Hurricane Sandy.
Western sent dozens of linemen, electricians, vehicles and supplies and two of its three Bell 407 helicopters to help repair storm damage to the electric grid in some of the hardest hit areas of New Jersey.
Along with its sister power marketing administrations Southwestern and Bonneville, Western has responded to calls for assistance from the Department of Energy to get the Northeast powered as quickly as possible.
“Our hearts go out to all those who have been affected by this devastating storm,” said Anita Decker, Western Acting Administrator. “The President has directed the Department of Energy, Western and the other power marketing administrations to work with the Northeast Utilities and do all we can to accelerate power restoration to those affected by Hurricane Sandy. Western is proud to be part of this effort to help restore power as quickly and safely as possible.”
Western is providing daily updates and photos on its support to Hurricane Sandy at its website and Flickr account.
Neighbors, local government officials and Western representatives gathered around a large map during workshop meetings, Oct. 2 to 4, where they discussed options for an upgrade to combine two transmission lines into one right of way. Both lines feed the Town of Estes and other nearby communities in Colorado with energy.
Drawing alternative routes with colored markers, neighbors talked about how different paths for the power line could impact the environment, their neighbors and the scenic views of their town and surrounding national forests. For some participants, it was an educational experience in the complexity of differing views and issues that came up regarding their ideas.
The collective thoughts and considerations of these engaged citizens will help Western Area Power Administration determine the alternatives it will review in its draft environmental impact statement for the Estes-Flatiron Transmission Line Rebuild Project.
Western is preparing to analyze how different alternatives for rebuilding or maintaining the transmission system will provide reliable power and impact the environment, landowners and surrounding communities. With high public interest for this project, Western extended the scoping period through Oct. 19 to work with the local communities to:
- Identify transmission line route options
- Gather input on design/structure features
- Understand the many issues and impacts with any alternative route
If you would like to provide input on route alternatives or structure design, take the time to examine the scoping and alternative development materials and reply to Western by Oct. 19. The input will help Western and cooperating agencies identify alternatives to be analyzed in the draft environmental impact statement.
Western’s linemen keep the agencies transmission lines and structures maintained so the system can reliably deliver electricity to cities and towns throughout the West. Sometimes this job requires Western to de-energize a line for maintenance of the line or working going on below the transmission line.
U.S. Army Corps of Engineers’ Todd Plain snapped this photo of Western linemen de-energizing the high-voltage power line at dusk for the safety of the workers below. Construction crews worked during the night constructing the seepage cutoff wall (part of the American River levees) underneath the line. This is part of the Corps American River Common Features project, a joint flood risk reduction effort between the Corps, the state’s Central Valley Flood Protection Board/Department of Water Resources and the Sacramento Area Flood Control Agency.
(Photo belongs to the U.S. Army Corps of Engineers-Sacramento District. Full picture description available on the USACE-Sacramento District’s Flickr photostream.)
In a spontaneous visit to Colorado Deputy Secretary of Energy Daniel Poneman made a quick stop by Western’s Corporate Services Office in Lakewood, Sept. 14, sandwiched between two other meetings in the area.
Opening with “I’m not really hear to talk; I’m here to answer any questions you have on your mind,” Poneman said in his video conference with several hundred Western employees. Read more »
Western hosted a webinar for customers Aug. 16—after posting the report a week earlier—to allow its consultant, Miracorp, to discuss the process they followed to create the report and also define Western’s next steps. Learn more about the study on Western’s Opertions Study page.