Overhead Transmission

Typically 69 kV all the way up to 1200 kV, these lines transfer power in bulk from generation stations to city centers.


Photo courtesy of ATC.
Overhead Transmission

T&D World Interview: ATC CEO Teresa Mogensen

May 3, 2024
Transmission utility ATC hired an industry veteran as its CEO, and she answers T&D World's questions about the utility industry.
The Ameren Illinois Roxford substation. The infrastructure project included substation upgrades and new transmission structures. Photo by Ameren.

Unique Solutions Guide Infrastructure Upgrades

April 8, 2024
Ameren Transmission works with partner to replace a transmission tower and upgrade a substation, with a positive impact on the Diverse Supplier Program along the way.
Photo 67237948 © Stephan Pietzko | Dreamstime.com
Overhead Transmission

National Grid Drops out of Twin States Clean Energy Link Transmission Project

March 13, 2024
The Twin States Clean Energy Link, a 211-mile, 1,200 MW high voltage direct current power line, had won the support of the Department of Energy with funding from the Transmission...
Photo by Basin Electric.
Overhead Transmission

Basin Electric’s Two 345 kV Transmission Projects Approved by Regulators

March 12, 2024
The 15-mile Pioneer-to-Judson 345-kV line will connect the Pioneer Generation Station Phase IV project to the Judson substation near Williston.
Photo by Philip Kamrass/ New York Power Authority.
Overhead Transmission

NYPA Uses Line Monitoring Technology to Protect Power Line Health in Winter

Jan. 22, 2024
NYPA uses fiber-optic sensing, based on the principles of distributed acoustic sensing, to identify power line conditions in real time.


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Wildfire Risk Mitigation

Feb. 16, 2022
Learn about the tools and practices that minimize power equipment caused fires.
Photo 269055113 © William Bunce | Dreamstime.com
Transmission Reliability

TVA, Partners Seek $350 Million in DOE Grants to Strengthen Grid

June 17, 2024
The grants will help construct an inter-regional 800 MW transmission line, increase grid capacity by about 5,500 MW, and reveal more than 6 GW of solar in TVA's interconnection...
Ten West Link
Overhead Transmission

CAISO Secures Operational Control Of 125-Mile Ten West Link

June 17, 2024
The high-voltage transmission project from Tonopah, Arizona, to Blythe, California, will bring more than 3,000 MW of renewable energy resources to consumers throughout California...
Duquesne Light Company (DLC)
Overhead Transmission

DLC Completes Phase 3A of Multi-Phase Brunot Island-Crescent Transmission Reliability Project

June 13, 2024
The project will help replace some of the company’s oldest infrastructure from DLC’s substation in Crescent Township to the substation located on Brunot Island in Pittsburgh.
Photo 140874379 © Oleksandr Lutsenko | Dreamstime.com
Overhead Transmission

Fingrid to Build 400 Kv Main Grid Transmission Line From West Coast to Southern Finland

June 7, 2024
Fingrid plans to invest approximately $4.3 billion in the main grid over the next decade to power the green transition.