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Latest News From The T&D Industry

SouthCoast Wind Project Faces Third Delay Amid Uncertainty

The SouthCoast Wind project, a major offshore wind initiative set to deliver clean energy to the New England grid, has encountered significant delays as contract negotiations stretch into their third extension. The project, located south of Martha’s Vineyard and Nantucket, has already been subjected to multiple setbacks, primarily due to shifting federal policies and increasing costs driven by inflation and supply chain disruptions. These hurdles have delayed the finalization of contracts and raised concerns about...

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Climate Change News

Climate Change Impacting Bird Migration Patterns

Climate change is increasingly influencing bird migration patterns, affecting the timing, routes, and destinations of many species. These alterations have significant implications for ecosystems, conservation efforts, and our understanding of avian behavior.​ Shifts in Migration Timing Rising...


Climate Change News

Canada Urged to Boost Climate Adaptation Spending

As climate change continues to impact communities across the globe, a growing body of research suggests that Canada should shift its focus from primarily fighting climate change to investing more in adaptation strategies. According to experts, while efforts to reduce greenhouse gas emissions remain...

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Renewable Energy News

New Solar Maker Enters U.S. Market

NuVision Solar, an American-owned and operated manufacturer of solar cells and modules, has announced its entry into the North American market. This strategic move aims to bolster domestic solar manufacturing and reduce reliance on imported solar components. Background The U.S. solar industry has...

Electrical Substations

transformer oil

Leakers, What a Mess!

Electric Substation apparatus, transformers and circuit breakers, are the workhorses of the electric transmission grid. Our focus in this article is on the issue of dielectric media leaks. Specifically, oil in large power transformers and oil or SF6 gas in power circuit breakers. Oil and gas leaks both have their share of risks to the environment.
Financial control is playing a big part in the management of the assets in today’s electric utilities. The repair vs replace equation is looked at by utility leadership these days with a magnifying glass. They are striving to continue to operate and maintain the older transformers and circuit breakers that were designed in the slide rule era, by engineers with an eye on longevity. This older apparatus was purchased perhaps 30+ years ago at a price much less than what it would cost today to replace many units. Thus, built in the slide rule...

Electrical Substations Articles


Substation Automation

RTU and HMI Redundancy in Electrical Substations

As the substation RTU takes on more applications, such as Human-Machine-Interface (HMI), alarm annunciation, math & logic and “relay communication processing”, its need for high availability increases. Anything that takes the RTU out of service – configuration change, firmware update, or...

IN THE DRIVER’S SEAT AND AHEAD OF THE CURVE ON EPC PROJECTS

Based just south of Denver in Castle Rock, Colorado, Great Southwestern Construction, Inc. (Great Southwestern) opened its doors as a small, family-owned business in 1977, specializing in power delivery projects throughout the desert Southwest and Rocky Mountain region. In the mid 1980’s, the...
Substation Technologies

3-D Design for Electrical Substations

Exploring 3-D design techniques for electrical substations BY MIKE MINELLI, & HAROLD HARKONEN, Nordmin Engineering Since the 1970s, engineering consulting firms typically have been designing substations using two-dimensional computer aided design software (CAD). This common technique produces...