Case Studies

Recent

Photo by E.ON.
While covered conductors were developed to protect power continuity for customers during Nordic storms, it also can be used for other applications. For example, it is being used in Australia to cut wildfire risk.
Photo courtesy of Southern Co.
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Photo by Georgia Power Transmission Co.
Georgia Power Transmission Co. lines run across terrain that is sometimes mountainous, hilly, forested, crowded and urban or remote and rural.
Photo courtesy of Georgia Power.
Photo courtesy of Entergy Mississippi

Highlights

Vegetation Management

LUMA Energy's Work Plan For Puerto Rico

March 25, 2024
The utility aims to boost reliability and resiliency by focusing on vegetation management, automation and substation modernization.
Photo by Ameren Illinois.
Distributed Energy Resources

Consider A Customer DER Interconnection Process

March 5, 2024
Policy changes in Illinois have spurred a surge in Ameren Illinois’ distributed energy resource interconnections, prompting the need for a process.
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.
Courtesy of SMECO
Pole base setting with line energized.
Overhead Transmission

Keeping It Close: A Composite Solution Redefines Compact Design and Construction

Sept. 22, 2023
Creating new standard construction practices to meet critical customer needs.
Photo courtesy of Eolian, L.P.
Aerial photographs of Eolian, L.P.’s Madero & Ignacio battery energy storage facility, a 200 MW/2.5+ hour duration storage system in Texas. Eolian is the developer of PGE’s Seaside battery energy storage system, one of the large-scale storage projects recently procured by PGE.
Distributed Energy Resources

Portland General Electric Bolsters Reliability with Battery Energy Storage Systems

July 28, 2023
Portland General Electric uses battery energy storage systems in its portfolio to balance clean energy with reliability and affordability for customers.

Recommended

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T&D World's Members-Only Access

April 14, 2021
Premium content resources deliver critical insights to improve utility operations. Join for free!
Photo by Eversource.
Photo by Heimdall Power.
The Ameren Illinois Roxford substation. The infrastructure project included substation upgrades and new transmission structures. Photo by Ameren.
(Left) Enclosure for FCCP device. BGE started piloting this solution in August 2022 at a substation with only one dc supply. (Right) A newly installed Multitel box. The FCCP device has a clamp-on current transformer (CT) that can be installed on one wire of the battery dc supply charger cable. Photos courtesy of Baltimore Gas & Electric.
Combo
New High Res Print Vegetation Mgmt Transmission 3821
Smart Utility

Transmission Vegetation Management Transformation Part II

July 10, 2023
In part two of this two-part article series, Duke Energy shares how its WorkPASS program has transformed the way it executes vegetation management work.
Photo by Portland General Electric.
Utility workers install a new pole in a forested area of the PGE service territory.
Wildfire

Portland General Electric Deploys AI, Advanced Tech to Reduce Wildfire Risk

April 11, 2023
The Pacific Northwest utility is advancing its wildfire mitigation plan by hardening the grid and enhancing situational awareness with detection systems.
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.
Photo by Great River Energy.
Pole storage yard in Dickinson, North Dakota, was added to provide easier access to supplies when poles are needed suddenly following storm damage or accidents.
Overhead Transmission

Minnesota Resilience

Nov. 8, 2022
The cooperative conducts lessons learned from storms and other self-assessments to develop and refine its resilience strategies.