Installation Techniques

Addressing the many improvements in cable installation, whether trenching, tunneling or horizontal boring.

Highlights

Foot Shaft
Sept. 3, 2021
As part of an $11 million project, National Grid built a tunnel beneath the Buffalo River to modernize and improve electricity infrastructure.
Extensive use of directional drilling equipment helped to accelerate the effort to replace aging overhead lines with underground circuits.
Aug. 6, 2021
WEC Energy Group replaces overhead lines with underground circuits, reducing outage minutes by 97% in remote areas of Northern Wisconsin.
Trenching Sled
Aug. 4, 2021
Special underwater trenching sled used for the first time to help bury the new transmission line.
Cable works underway in Shetland.
July 21, 2021
Work to install 10 km of underground cable marks a milestone for the 600-MW Shetland HVDC project.
Picture Of Tunnel Extension
June 30, 2021
The Wisconsin Department of Transportation began a multiyear effort to increase capacity and improve the safety of the interchange. As a result, two of the electric transmission...
Mountain View Electric Association, cable replacement
Oct. 6, 2017
A Colorado utility uses cable rejuvenation after serious residential failures.
EDM International Inc., Regional Government of Andalucia, Biodiversity Consultant, MME BirdLife
May 24, 2017
The installation of cover-up material helps to prevent wildlife from conductor contact.
Photo courtesy of Air2
Aeronautics, UAV, aerial imaging
March 27, 2017
Utilities are using aerial applications to help improve their bottom line.
Con Edison infrared underground
Dec. 21, 2016
Con Edison uses infrared technology to enhance cable inspections, which result in a safer and more reliable network.