Intelligent Undergrounding

Taking advantage of the latest manufacturing and installation techniques of cables and splices ensures that underground systems are reliable and resilient.


Photo by Alabama Power.
Intelligent Undergrounding

Green Valley Distribution Undergrounding Project

Nov. 27, 2023
The Southern Co. unit's Central Engineering Green Valley project achieves simpler maintenance and better reliability with undergrounding distribution lines.
Photo courtesy of Con Edison.
Overhead Transmission

Creative Underground Transmission Construction in Queens

Nov. 17, 2023
Consolidated Edison considers options for building new underground transmission lines that will carry increasing amounts of renewable energy to customer in New York City.
Belgium: Dry outdoor cooler where the switching losses of the converter are released. Some of the losses are captured and used to heat the building.
Undersea Applications

Interconnector Brings Flexibility To European Market

Oct. 26, 2023
New evolved flow-based approach used for first interconnector between Belgium and Germany.
Nat Grid Tunnells 240217 21 (1) 0
Intelligent Undergrounding

National Grid UK Holds Public Consultation On Plans To Upgrade Electricity Infrastructure Between Grain And Tilbury

Sept. 28, 2023
The company proposes to build a new cable tunnel underneath the Thames and two new headhouses to connect the tunnel at Gravesend and Tilbury.
Photo by Dominion Energy.
An overhead line worker for Dominion. As part of its undergrounding program, Dominion studied which of its overhead lines were the most outage prone.
Intelligent Undergrounding

Dominion Undergrounds 1800 Miles and Counting

March 2, 2023
Dominion Energy replaces its most outage-prone overhead electric distribution lines with cost-effective underground lines.
50940348 © Kostia Osypov |
It is hard to ignore extreme weather events and natural disasters — and their effect on power delivery to customers in many regions.
Test and Measurement

Intelligent Line Sensing for Reliability

Sept. 20, 2023
Savings associated with reductions in customer minutes interrupted and O&M costs more than offset the price of intelligent line sensors.
SOO Green
Hvdc Soo Green 2
Intelligent Undergrounding

Iowa Board Approves 525 kV Underground HVDC SOO Green Transmission Line Project

Sept. 18, 2023
The order finds that the proposed line is necessary to serve a public use and represents a reasonable relationship to an overall plan of transmitting electricity in the public...
Photo 23736125 © Makahiki87 |
Aerial of Lahaina Harbor on the island of Maui.
Overhead Distribution

Rebuilding Lahaina

Aug. 22, 2023
How can local Hawaiians safely and affordably rebuild their beautiful homes, reclaim their rich history and restore business vitality among the smoldering ruins of Lahaina town...
Polywater 8 63599231f0911
Intelligent Undergrounding

T&D World Live Session Highlight: 50% Underground by 2040

Aug. 14, 2023
This panel of utility experts at T&D World Live 2023 in Sacramento will discuss this provocative idea and offer ideas of innovative improvements in planning, design and construction...